How to import private keys - Bitcoin Wiki

Windows / Linux Guide to using Trezor with Bitcoin Core (HWI)

This is a guide to using your Trezor with Bitcoin Core. It may seem like more trouble than it's worth but many applications use Bitcoin Core as a wallet such as LND, EPS, and JoinMarket. Learning how to integrate your Trezor into a Bitcoin Core install is rather useful in many unexpected ways. I did this all through the QT interfaces, but it's simple to script. There is a much simpler guide available from the HWI github, and the smallest Linux TLDR is here
Unfortunately, I don't have access to a Coldcard or Ledger. I'm not sure how the setpin or -stdinpass parameters are handled on that HW.

( A ) Install TrezorCTL, HWI, and build GUI

You only need to set the wallet up once, but may repeat to upgrade

( A.I ) Download extract and install HWI

  1. Download and isntall Python
  2. Download https://github.com/bitcoin-core/HWI/archive/1.1.2.zip
  3. Extract it to a working folder (assumes C:\User\Reddit\src\HWI)
  4. Change Directory (cd) to working folder cd "C:\User\Reddit\src\HWI"
  5. Setup venv python -m venv .venv
  6. Enter venv .venv\Scripts\activate.bat 1
  7. Install dependencies python -m pip install -U setuptools pip wheel
  8. Install TrezorCTL python -m pip install trezor[hidapi]
  9. Install HWI python -m pip install hwi pyside2
  10. Download github.com/libusb/libusb/releases/download/v1.0.23/libusb-1.0.23.7z
  11. Extract MS64\dll\libusb-1.0.dll from the archive
  12. Copy to pywin copy libusb-1.0.dll .venv\Lib\site-packages\pywin32_system32\

( A.II ) Build the QT UI files

  1. Download and install MSYS2
  2. Launch a mingw64.exe shell
  3. CD to working folder cd "C:\User\Reddit\src\HWI"
  4. Enter venv source .venv/Scripts/activate 1
  5. Run UI build bash contrib/generate-ui.sh

( B ) Create a Trezor wallet in Bitcoin Core (testnet)

You only need to set the wallet up once, no private key data is stored, only xpub data

( B.I ) Retrieve keypool from HWI-QT

  1. Launch hwi-qt.exe --testnet (assuming testnet)
  2. Click Set passphrase (if needed) to cache your passphrase then click Refresh
  3. Select you trezor from the list then click Set Pin (if needed)
  4. Ensure your Trezor in the dropdown has a fingerprint
  5. Select Change keypool options and choose P2WPKH
  6. Copy all the text from the Keypool textbox

( B.II ) Create the wallet in Bitcoin QT

  1. Launch Bitcoin Core (testnet) (non-pruned) 2
  2. Select Console from the Window menu
  3. Create a wallet createwallet "hwi" true
  4. Ensure that hwi is selected in the console wallet dropdown
  5. Verify walletname using the getwalletinfo command
  6. Import keypool importmulti '' (note ' caging)
  7. Rescan if TXNs are missing rescanblockchain 3

( C.I ) Grab Tesnet coins

  1. Select the Receive tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Select Create new receiving address and copy address
  4. Google "bitcoin testnet faucet" and visit a few sites
  5. Answer captcha and input your addressed copied from C.I.3

( D ) Spending funds with HWI

This is how you can spend funds in your Trezor using Bitcoin Core (testnet)

( D.I ) Create an unsigned PSBT

  1. Select the Send tab in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Verify your balance in Watch-only balance
  4. Rescan if balance is wrong (see B.II.7) 3
  5. Craft your TXN as usual, then click Create Unsigned
  6. Copy the PSBT to your clipboard when prompted

( D.II ) Sign your PSBT

  1. In HWI-QT click Sign PSBT
  2. Paste what you copied in D.I.6 in PSBT to Sign field
  3. Click Sign PSBT
  4. Copy the text for PSBT Result

( D.III ) Broadcast your TXN

  1. Select the Console window in Bitcoin Core (testnet)
  2. Ensure that the Wallet dropdown has hwi selected
  3. Finalize PSBT: finalizepsbt
  4. Copy the signed TXN hex from the hex field returned
  5. Broadcast TXN: sendrawtransaction

Final Thoughts

I did this all through the GUI interfaces for the benefit of the Windows users. Windows console is fine, but the quote escaping in windows console is nightmarish. Powershell would be good, but that throws this on a whole another level for most Windows folks.
There is also the need to use HWI-QT due to a bug in blank passphrases on the commandline. You can work around it by toggling passphrase off or on, but again, it's more than I wanted to spell out.
Footnotes:
  • 1. - Later version of python put the activate script under 'bin' instead of 'Script'
  • 2. - You can run pruned, but you need to have a fresh wallet
  • 3. - Rescan is automatic on 'importmulti' but I was pruned so it was wierd
submitted by brianddk to Bitcoin [link] [comments]

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

(Updated) [Staking] Reddcoin Core client GUI wallet on a Raspberry Pi Model 3B

Intro

This thread is an update to my first Reddcoin staking tutorial that was written 7 months ago.
 
The reason for the update
My Reddcoin Core software crashed and became unusable. My Raspberry Pi 3B would lag and freeze, I couldn't stake anymore.
 
Instead of just redoing everything the same way, I wanted to see if I could improve on 3 points:
 
The updates
 
If you would like to tip me
Writing a tutorial like this takes time and effort; tips are appreciated. My Reddcoin address: RqvdnNX5MTam855Y2Vudv7yVgtXdcYaQAW.
     

Overview

 

Steps

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
     

Video

https://www.youtube.com/watch?v=Snr5e8bzftI
This video shows how long it takes to start Reddcoin Core.   TL;DR:
     

Extra

Backup
Backup your wallet to prevent losing the RDDs in your wallet! There are two methods to backup, do both. Make new backups if you create a new receiving address!
 
 
   
Boot with only 1 USB drive plugged in:
Make sure only the USB drive (with the swap partition and data partition) is plugged in when you boot up your Raspberry Pi. This to make sure the swap partition (/dev/sda1) is recognized correctly.   If you boot up with multiple USB drives, Lubuntu might see the USB drive with the swap partition as the second drive (instead of the first drive), and ignore the 2 GB swap partition. If this happens, starting Reddcoin can render the Raspberry Pi unresponsive.
   
Connection issues If you have issues syncing the blockchain because you have 0 network connections, please follow the instructions in this thread.
   
Start Reddcoin Core easier
Run a shell script (.sh file), so you can start Reddcoin just by double clicking on an icon on your Desktop.
   
Minimization options
Adjust minimization options, so you can safely press on the X button (the close/exit button on the upper right corner).
   
RealVNC VNC Viewer (client) and VNC Connect (server): To remote connect to the Raspberry Pi, I use VNC Viewer ad VNC Connect from RealVNC.
 
   
Chromium as browser: The updates break Firefox, the browser crashes when you try to run it. Install another browser, Chromium, to solve this issue.
   
Updates / Upgrades
If Software Updater shows up and tells you that there is updated software available, do not install the updates using Software Updater. Use LXTerminal to update Lubuntu.  
     

Credits:

   
Credits in previous tutorial:
submitted by Yavuz_Selim to reddCoin [link] [comments]

Groestlcoin Release September 2018

Introduction

As always, the past 3 months since 22nd June have been crazy busy. The bears might still be around, but the show must go on and of course has not slowed the Groestlcoin development team in the slightest. Here’s a quick overview of what has already happened since the last release: - Integrated into the bitbns exchange, with the ability to buy Groestlcoin directly with the Indian Rupee. - Groestlcoin Rebrand Vote – Whilst there was much talk and push for a rebrand vote, the overall result was almost unanimously in favour of keeping our unique and conversation-starting name. With just 83 votes to Rebrand, and 2577 votes to No Rebrand. Thank you for all who voted, the funds raised are being used to fund ongoing hosting and development costs. - Integrated into the Cryptobridge exchange. Cryptobridge is a popular decentralised exchange where you always hold the private keys to your funds, only YOU have access to them. - Groestlcoin has been added to SimpleSwap – Groestlcoin can now be swapped with over 100 other cryptocurrencies, without signing up! - Groestlcoin has been added to UnoDax, one of the leading cryptocurrency exchanges in India, with TUSD, BTC and INR trading pairs. - Groestlcoin has been added to SwapLab.cc, where you can buy Groestlcoin using Bitcoin and over 50 other altcoins. Purchasing with VISA/Mastercard is coming VERY SOON. Discussed later: - Groestlcoin has been listed on #3 largest exchange in the world on volume, Huobi Global! More on this to come further on in the announcements. - Groestlcoin has been added to the Guarda Multi-Currency Wallet. - Groestlcoin has been added to Melis Multi-Device, Multi-Account, Multi-Platform, Multi-Signature advanced wallet! Already this list is far more than most other cryptocurrencies have achieved in the past 3 months. But this is just the tip of the iceberg of what has been developed.

What's been Happening?

GRSPay Released

We are so excited for this, that it has it's own separate reddit thread. Head over there now at https://www.reddit.com/groestlcoin/comments/9ikr5m/groestlcoin_releases_grspay/? to see more on this!
https://www.melis.io/assets/logo-navbar-4b6f0d372f15b2446d3fa4c68f346e4fb08ee113941186cee58fd6135f3f8b7d.svg

Melis Wallet

The the most advanced wallet for Bitcoin, Bitcoin Cash, Litecoin and now Groestlcoin.
With Melis you have the complete control of your bitcoins and private keys, you can define spending limits policies and make use of two or more factors authentication. Melis is open source, published on GitHub.

How Melis Works?

You can create as many accounts as you want. An account is a part of your wallet that can be customised to your requirements. You can choose how many co-signers are required to spend funds. The accounts are completely independent and act like separate wallets from each other but can be accessed via the same details. A core feature of Melis is the ability to set a ‘primary’ device. With this you can set an account as ‘Secure’ so it is only viewable (and accessible at all) from the Primary device. You can have a savings account hidden from the outside world whilst also having your ‘spending’ funds available on the go. With Melis you can create a multi-signature account between N people, where up to N signatures are required to sign a transaction, choosing if any of those should be mandatory.
Core Features:
https://guarda.co/assets/images/1PGo4ID.svg?1537791124643

Guarda Wallet

Safer than ever! Desktop Light Wallet - Anonymous and fast!
With Guarda Multi-currency Desktop Light Wallet you don’t need to register. Guarda has no access to your private keys or funds. You can receive, send, store, buy and exchange cryptocurrencies in complete anonymity and safety. All these features are available on Linux, Windows or MacOS. Choose the one that suits you!
More info about Guarda wallet on www.guarda.co
https://holytransaction.com/images/logo.png

Integrated into HolyTransaction

What is HolyTransaction?

HolyTransaction gives users access to the crypto world with a universal cryptocurrency wallet and instant exchange.

Features

For more information, visit Holy Transaction here.
https://www.groestlcoin.org/wp-content/uploads/2018/09/next-grs-groestlcoin.jpg

Integrated into NEXT Wallet

What is NEXT?

NEXT is a modern, next-generation stylish open-source Desktop wallet.

Features

For more information, visit NextWallet here.
https://blockchainfinancial.com/mediaserve2018/09/admin-06143647-bcf_logo_vec_256x256.png

Integrated into Blockchain Financial

What is Blockchain Financial?

Blockchain Financial is a set of web based services for individuals and companies that want to make things happen with the Cryptocurrencies Ecosystem. - For those that don't know anything about cryptocurrencies, we offer tools that will let them receive, send and operate with an assortment of coins. - For those that are already riding the wave, we offer tools that will let them do all those things that they weren't able to do.

Blockchain Financials mission

We're not here to reinvent the wheel. We're here to make it run smoother for you, and we provide some of the most useful services you'll find on the internet, made in a way that is easy to understand and use on a daily basis. In short, we're a bunch of people that claim to be Crypto Evangelists. We strongly believe in cryptocurrencies, and our main promise is to push them up so more people get involved and take all the advantages they offer.

More information from Blockchain Financial

Back in 2014, the world was taken by storm when Facebook approved the first cryptocurrencies tipping apps. The first was for Dogecoin, and the second was for multiple coins.
The project was hosted on whitepuma.net, and persisted for almost two years, built up a massive user community and gave a home to Bitcoin, Litecoin, Dogecoin and dozens of other bitcoin-based altcoins.
After very active months, the tipping hype started to fade away. Then, the developers decided to jump into the next stage: bringing not only tipping, but also mining and a widget that could be embedded on websites to allow everyone to accept payments. Sadly, the work was never completed because the project started to require an unsustainable amount of resources. Then, in a painful decision, a shutdown was announced by December 2015.
A couple of months after whitepuma.net was closed, the source code was released by its creator as Open Source on GitHub. But it wasn't maintained.
Now, some of the original members of the dev and admin teams gathered up with a handful of the WhitePuma's elite users, and decided to make something good with the best pieces of the old source code. That, with fresh new ideas and the power of the BardCanvas engine, synthesized the core of Blockchain Financial.
More info about Blockchain Financial wallet on .
For more information, visit [Blockchain Financial](www.blockchainfinancial.com)
https://www.huobi.com/image/logo.aeb4723.svg

Groestlcoin Listed on Huobi

Who are Huobi?

Huobi was founded in China and is now based in Singapore, with offices in Hong Kong, South Korea, Japan and the North America, currently sitting #3 in volume on Coinmarketcap. Huobi is a great leap forward for our growing presence in Asia and we are very excited to be listed here!
You can find the official Huobi announcement here.

Groestlcoin Core v2.16.3 - Please Update ASAP

A new major Groestlcoin Core version 2.16.3 is now available for download which includes both a Denial of Service component and a critical inflation vulnerability, so it is recommended to upgrade to it if you are running a full Groestlcoin node or a local Groestlcoin Core wallet.
v2.16.3 is now the official release version of Groestlcoin Core. This is a new major version release with a very important security updates. It is recommended to upgrade to this version as soon as possible. Please stop running versions of Groestlcoin Core affected by CVE-2018-17144 ASAP: These are 2.13.3 and 2.16.0.
As a result in this, all exchanges and services have been asked to upgrade to this version, so please be patient if wallets go in to maintenance mode on these services.

What's new in version v2.16.3?

This is a major release of Groestlcoin Core fixing a Denial of Service component and a critical inflation vulnerability (https://nvd.nist.gov/vuln/detail/CVE-2018-17144) exploitable by miners that has been discovered in Groestlcoin Core version 2.13.3 and 2.16.0. It is recommended to upgrade to 2.16.3 as soon as possible. If you only occasionally run Groestlcoin Core, then it's not necessary to run out and upgrade it right this second. However, you should upgrade it before you next run it. If you know anyone who is running an older version, tell them to upgrade it ASAP. Stored funds are not at risk, and never were at risk. At this time we believe over half of the Groestlcoin hashrate has upgraded to patched nodes. We are unaware of any attempts to exploit this vulnerability. However, it still remains critical that affected users upgrade and apply the latest patches to ensure no possibility of large reorganizations, mining of invalid blocks, or acceptance of invalid transactions occurs.

The Technicals

In Groestlcoin Core 2.13.3, an optimization was added (Bitcoin Core PR #9049) which avoided a costly check during initial pre-relay block validation that multiple inputs within a single transaction did not spend the same input twice which was added in 2012 (Bitcoin Core PR #443). While the UTXO-updating logic has sufficient knowledge to check that such a condition is not violated in 2.13.3 it only did so in a sanity check assertion and not with full error handling (it did, however, fully handle this case twice in prior to 2.1.0.6). Thus, in Groestlcoin Core 2.13.3, any attempts to double-spend a transaction output within a single transaction inside of a block will result in an assertion failure and a crash, as was originally reported. In Groestlcoin Core 2.16.0, as a part of a larger redesign to simplify unspent transaction output tracking and correct a resource exhaustion attack the assertion was changed subtly. Instead of asserting that the output being marked spent was previously unspent, it only asserts that it exists. Thus, in Groestlcoin Core 2.16.0, any attempts to double-spend a transaction output within a single transaction inside of a block where the output being spent was created in the same block, the same assertion failure will occur. However, if the output being double-spent was created in a previous block, an entry will still remain in the CCoin map with the DIRTY flag set and having been marked as spent, resulting in no such assertion. This could allow a miner to inflate the supply of Groestlcoin as they would be then able to claim the value being spent twice.
Groestlcoin would like to publicly thank Reddit user u/Awemany for finding CVE-2018-17144 and reporting it (https://lists.linuxfoundation.org/pipermail/bitcoin-core-dev/2018-Septembe000064.html). You deserve gratitude and appreciation from cryptoworld, and you have ours. If you want to support him for his work, please consider donating to him on his bitcoin cash address: bitcoincash:qr5yuq3q40u7mxwqz6xvamkfj8tg45wyus7fhqzug5
http://i.imgur.com/3YhyNZK.png

Groestlcoin Electrum-GRS 3.2.2 - Ledger & Trezor Edition

What is Electrum-GRS?
Electrum-GRS is a lightweight "thin client" groestlcoin wallet Windows, MacOS and Linux based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.

Changes:

http://i.imgur.com/3YhyNZK.png

Electrum-GRS Mobile Android

What is Electrum-GRS Mobile?

Electrum-grs is a lightweight "thin client" groestlcoin wallet Android based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.

Changes

Groestlcoin EasyVanity Released

Groestlcoin EasyVanity is a Windows app is built from the ground-up in C# and makes it easier than ever before to create your very own bespoke Groestlcoin address(es), even whilst not connected to the internet! You can even generate multiple keys with the same prefix and leave it on overnight whilst your CPU or GPU collects and stores these addresses locally.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then Groestlcoin EasyVanity is the right choice for you to create a more personalized address.

Features

• Ability to continue finding keys after first one is found • Includes warning on startup if connected to the internet • Ability to output keys to a text file (And shows button to open that directory) • Ability to make your match case sensitive (Where possible) • Show and hide the private key with a simple toggle switch, and copy the private key straight to your clipboard • Show full output of commands • Includes statistics whilst the application is running • Ability to choose between Processor (CPU) and Graphics Card (GPU) • Automatically detects 32 or 64 bit systems • Features both a Light and Dark Material Design inspired Themes • EasyVanity's search is probabilistic, and the amount of time required to find a given pattern depends on how complex the pattern is, the speed of your computer, and whether you get lucky. • EasyVanity includes components to perform address searching on your CPU (vanitygen) and your OpenCL-compatible GPU (oclvanitygen). Both can be built from source, and both are included in the Windows binary package. • Prefixes are exact strings that must appear at the beginning of the address. When searching for prefixes, Easyvanity will ensure that the prefix is possible, and will provide a difficulty estimate. • The percentage displayed just shows how probable it is that a match would be found in the session so far. If it finds your address with 5% on the display, you are extremely lucky. If it finds your address with 92% on the display, you are unlucky. If you stop EasyVanity with 90% on the display, restart it, and it finds your address with 2% on the display, your first session was unlucky, but your second session was lucky. • EasyVanity uses the OpenSSL random number generator. This is the same RNG used by groestlcoin and a good number of HTTPS servers. It is regarded as well-scrutinized. Guessing the private key of an address found by EasyVanity will be no easier than guessing a private key created by groestlcoin itself. • To speed up address generation, EasyVanity uses the RNG to choose a private key, and literally increments the private key in a loop searching for a match. As long as the starting point is not disclosed, if a match is found, the private key will not be any easier to guess than if every private key tested were taken from the RNG. EasyVanity will also reload the private key from the RNG after 10,000,000 unsuccessful searches (100M for oclvanitygen), or when a match is found and multiple patterns are being searched for. • Free software - MIT. Anyone can audit the code. • Written in C# - The code is short, and easy to review.

Groestlcoin Sentinel (Android & Blackberry) – Mainnet + Testnet

What is Sentinel?

Groestlcoin Sentinel is the easiest and fastest way to track/receive/watch payments in your offline Groestlcoin Wallets. Groestlcoin Sentinel is compatible with any standard Groestlcoin address, BIP44 XPUB (Extended Public Key) BIP49 YPUB and BIP84 ZPUB
Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets). Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that particular wallet.

What's New?

The P2SH paperwallet supports creating P2SH paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Changes
Features
The BECH32 paperwallet supports creating BECH32 paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Features
![WebWallet](https://i.imgur.com/Z2oj7bj.png)

Groestlcoin Web Wallet Update 1.4

What is Groestlcoin Web Wallet?
Groestlcoin Webwallet is an open source, multisignature, HD Wallet and more! Webwallet is a a open source browser based Groestlcoin webwallet.
Webwallet is a playground for Groestlcoin in javascript to experiment with. It supports multisig, OP_HODL, RBF and many more. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Changes:
submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Secure paper wallet tutorial

This is my handout for paranoid people who want a way to store bitcoin safely. It requires a little work, but this is the method I use because it should be resistant to risks associated with:
  1. Bad random number generators
  2. Malicious or flawed software
  3. Hacked computers
If you want a method that is less secure but easier, skip to the bottom of this post.
The Secure Method
  1. Download bitaddress.org. (Try going to the website and pressing "ctrl+s")
  2. Put the bitaddress.org file on a computer with an operating system that has not interacted with the internet much or at all. The computer should not be hooked up to the internet when you do this. You could put the bitaddress file on a USB stick, and then turn off your computer, unplug the internet, and boot it up using a boot-from-CD copy of linux (Ubuntu or Mint for example). This prevents any mal-ware you may have accumulated from running and capturing your keystrokes. I use an old android smart phone that I have done a factory reset on. It has no sim-card and does not have the password to my home wifi. Also the phone wifi is turned off. If you are using a fresh operating system, and do not have a connection to the internet, then your private key will probably not escape the computer.
  3. Roll a die 62 times and write down the sequence of numbers. This gives you 2160 possible outcomes, which is the maximum that Bitcoin supports.
  4. Run bitaddress.org from your offline computer. Input the sequence of numbers from the die rolls into the "Brain Wallet" tab. By providing your own source of randomness, you do not have to worry that the random number generator used by your computer is too weak. I'm looking at you, NSA ಠ_ಠ
  5. Brain Wallet tab creates a private key and address.
  6. Write down the address and private key by hand or print them on a dumb printer. (Dumb printer means not the one at your office with the hard drive. Maybe not the 4 in 1 printer that scans and faxes and makes waffles.) If you hand copy them you may want to hand copy more than one format. (WIF and HEX). If you are crazy and are storing your life savings in Bitcoin, and you hand copy the private key, do a double-check by typing the private key back into the tool on the "Wallet Details" tab and confirm that it recreates the same public address.
  7. Load your paper wallet by sending your bitcoin to the public address. You can do this as many times as you like.
  8. You can view the current balance of your paper wallet by typing the public address into the search box at blockchain.info
  9. If you are using an old cell phone or tablet do a factory reset when you are finished so that the memory of the private keys is destroyed. If you are using a computer with a boot-from-CD copy of linux, I think you can just power down the computer and the private keys will be gone. (Maybe someone can confirm for me that the private keys would not be able to be cached by bitaddress?)
  10. To spend your paper wallet, you will need to either create an offline transaction, or import the private key into a hot wallet. Creating an offline transaction is dangerous if you don't know what you are doing. Importing to a client side wallet like Bitcoin-Qt, Electrum, MultiBit or Armory is a good idea. You can also import to an online wallet such as Blockchain.info or Coinbase.
Trusting bitaddress.org
The only thing you need bitaddress.org to do is to honestly convert the brainwallet passphrase into the corresponding private key and address. You can verify that it is doing this honestly by running several test passphrases through the copy of bitaddress that you plan on using, and several other brainwallet generators. For example, you could use the online version of bitaddress, and brainwallet and safepaperwallet and bitcoinpaperwallet. If you are fancy with the linux command line, you can also try "echo -n my_die_rolls | sha256sum". The linux operating system should reply with the same private key that bitaddress makes. This protects you from a malicious paper wallet generator.
Trusting your copy of bitaddress.org
Bitaddress publishes the sha1 hash of the bitaddress.org website at this location:
https://www.bitaddress.org/pgpsignedmsg.txt
The message is signed by the creator, pointbiz. I found his PGP fingerprint here:
https://github.com/pointbiz/bitaddress.org/issues/18
"527B 5C82 B1F6 B2DB 72A0 ECBF 8749 7B91 6397 4F5A"
With this fingerprint, you can authenticate the signed message, which gives you the hash of the current bitaddress.org file. Then you can hash your copy of the file and authenticate the file.
I do not have a way to authenticate the fingerprint itself, sorry. According to the website I linked to, git has cryptographic traceability that would enable a person to do some research and authenticate the fingerprint. If you want to go that far, knock yourself out. I think that the techniques described in this document do not really rely on bitaddress being un-corrupt. Anyway, how do we know pointbiz is a good guy? ;-)
There are a lot of skilled eyes watching bitaddress.org and the signed sha1 hash. To gain the most benefit from all of those eyes, it's probably worthwhile to check your copy by hashing it and comparing to the published hash.
"But we aren't supposed to use brainwallets"
You are not supposed to use brainwallets that have predictable passphrases. People think they are pretty clever about how they pick their passphrases, but a lot of bitcoins have been stolen because people tend to come up with similar ideas. If you let dice generate the passphrase, then it is totally random, and you just need to make sure to roll enough times.
How to avoid spending your life rolling dice
When I first started doing this, I rolled a die 62 times for each private key. This is not necessary. You can simply roll the die 62 times and keep the sequence of 62 numbers as a "seed". The first paper address you create would use "my die rolls-1" as the passphrase, the second would be "my die rolls-2" and so on. This is safe because SHA256 prevents any computable relationship between the resulting private key family.
Of course this has a certain bad security scenario -- if anyone obtains the seed they can reconstruct all of your paper wallets. So this is not for everyone! On the other hand, it also means that if you happen to lose one of your paper wallets, you could reconstruct it so long as you still had the seed.
One way to reduce this risk is to add an easy to remember password like this: "my die rolls-password-1".
If you prefer, you can use a technique called diceware to convert your die rolls to words that still contain the same quantity of entropy, but which could be easier to work with. I don't use diceware because it's another piece of software that I have to trust, and I'm just copy/pasting my high entropy seed, so I don't care about how ugly it is.
Why not input the dice as a Base 6 private key on the Wallet Details tab?
Two reasons. First of all, this option requires that you roll the die 99 times, but you do not get meaningful additional protection by rolling more than 62 times. Why roll more times if you don't have to? Second, I use the "high entropy seed" method to generate multiple private keys from the same die rolls. Using the Base 6 option would require rolling 99 times for every private key.
I'm a big nerd with exotic dice. How many times to roll?
Put this formula in Excel to get the number of times to roll: "=160*LOG(2,f)" where f = number of faces on the die. For example, you would roll a d16 40 times. By the way, somewhat unbelievably casino dice are more fair than ordinary dice
The "Change address" problem:
You should understand change addresses because some people have accidentally lost money by not understanding it.
Imagine your paper wallet is a 10 dollar bill. You use it to buy a candy bar. To do this you give the cashier the entire 10 dollar bill. They keep 1 dollar and give you 9 dollars back as change.
With Bitcoin, you have to explicitly say that you want 9 dollars back, and you have to provide an address where it should go to. If you just hand over the 10 dollar bill, and don't say you want 9 dollars back, then the miner who processes the transaction gives 1 dollar to the store and keeps the remainder themselves.
Wallet software like Bitcoin-Qt handles this automatically for you. They automatically make "change addresses" and they automatically construct transactions that make the change go to the change address.
There are three ways I know of that the change problem can bite you:
  1. You generate a raw transaction by hand, and screw up. If you are generating a transaction "by hand" with a raw transaction editor, you need to be extra careful that your outputs add up to the same number as your inputs. Otherwise, the very lucky miner who puts your transaction in a block will keep the difference.
  2. You import a paper wallet into a wallet software and spend part of it, and then think that the change is in the paper wallet. The change is not in the paper wallet. It is in a change address that the wallet software generated. That means that if you lose your wallet.dat file you will lose all the change. The paper wallet is empty.
  3. You import a paper wallet into a wallet software and spend part of it, and then think that the change is in the change address that the wallet software generated. If the transaction did not need to consume all of the "outputs" used to fund the paper wallet, then there could be some unspent outputs still located at the address of the paper wallet. If you destroyed the paper wallet, and destroyed the copy of the private key imported to the wallet software, then you could not access this money. (E.g. if you restored the software wallet from its seed, thinking all of the money was moved to the wallet-generated change addresses.)
For more on this, see here
The hot paper wallet problem
Your bitcoin in your paper wallet are secure, so long as the piece of paper is secure, until you go to spend it. When you spend it, you put the private key onto a computer that is connected to the internet. At this point you must regard your paper wallet address as hot because the computer you used may have been compromised. It now provides much less protection against theft of your coins. If you need the level of protection that a cold paper wallet provides, you need to create a new one and send your coins to it.
Destroying your paper wallet address
Do not destroy the only copy of a private key without verifying that there is no money at that address. Your client may have sent change to your paper wallet address without you realizing it. Your client may have not consumed all of the unspent outputs available at the paper wallet address. You can go to blockchain.info and type the public address into the search window to see the current balance. I don't bother destroying my used/empty paper wallet addresses. I just file them away.
Encrypting your private key
BIP 0038 describes a standardized way to encrypt your paper wallet private key. A normal paper wallet is vulnerable because if anyone sees the private key they can take the coins. The BIP38 protocol is even resistant to brute force attacks because it uses a memory intensive encryption algorithm called scrypt. If you want to encrypt your wallets using BIP38, I recommend that you use bitcoinpaperwallet because they will let you type in your own private key and will encrypt it for you. As with bitaddress, for high security you should only use a local copy of this website on a computer that will never get connected to the internet.
Splitting your private key
Another option for protecting the private key is to convert it into multiple fragments that must be brought together. This method allows you to store pieces of your key with separate people in separate locations. It can be set up so that you can reconstitute the private key when you have any 2 out of the 3 fragments. This technique is called Shamir's Secret Sharing. I have not tried this technique, but you may find it valuable. You could try using this website http://passguardian.com/ which will help you split up a key. As before, you should do this on an offline computer. Keep in mind if you use this service that you are trusting it to work properly. It would be good to find other independently created tools that could be used to validate the operation of passguardian. Personally, I would be nervous destroying the only copy of a private key and relying entirely on the fragments generated by the website.
Looks like Bitaddress has an implementation of Shamir's Secret Sharing now under the "Split Wallet" tab. However it would appear that you cannot provide your own key for this, so you would have to trust bitaddress.
Durable Media
Pay attention to the media you use to record your paper wallet. Some kinds of ink fade, some kinds of paper disintegrate. Moisture and heat are your enemies.
In addition to keeping copies of my paper wallet addresses I did the following:
  1. Order a set of numeric metal stamps. ($10)
  2. Buy a square galvanized steel outlet cover from the hardware store ($1)
  3. Buy a sledgehammer from the hardware store
  4. Write the die rolls on the steel plate using a sharpie
  5. Use the hammer to stamp the metal. Do all the 1's, then all the 2's etc. Please use eye protection, as metal stamp may emit sparks or fly unexpectedly across the garage. :-)
  6. Use nail polish remover to erase the sharpie
Electrum
If you trust electrum you might try running it on an offline computer, and having it generate a series of private keys from a seed. I don't have experience with this software, but it sounds like there are some slick possibilities there that could save you time if you are working with a lot of addresses.
Message to the downvoters
I would appreciate it if you would comment, so that I can learn from your opinion. Thanks!
The Easy Method
This method is probably suitable for small quantities of bitcoin. I would not trust it for life-altering sums of money.
  1. Download the bitaddress.org website to your hard drive.
  2. Close your browser
  3. Disconnect from the internet
  4. Open the bitaddress.org website from your hard drive.
  5. Print a paper wallet on your printer
  6. Close your browser
submitted by moral_agent to BitcoinWallet [link] [comments]

Homelab collective ressources post!

Hey guys!
I'm fairly new to this sub and to having a home lab in general and I found this community to be so kind and helping, I wanted to give back what I've learned. I'm seeing a lot of questions asked around on improvements and on what to do with x extra hardware so I thought it would be nice to have a thread to regroup that.
 
I'll put here some stuff I gathered and the most common questions I've seen, feel free to contribute and i'll update the post along.
 
Latest Additions
 
Homelab Dashboard
Posts about dashboards have been growing lately and here are some of the best that were kind enough to provide us with their sources.
User Screenshot Source
yours truly http://imgur.com/a/GhCNH https://github.com/Gabisonfire/dashboard-q
lastditchefrt http://i.imgur.com/5zQdao4.png https://github.com/d4rk22/Network-Status-Page
_SleepingBag_ http://i.imgur.com/Ql9ZM4W.png https://github.com/jsank/homelabdash
NiknakSi https://niknak.org/extras/sysinfo TBA
DainBramaged http://imgur.com/jYNlUEQ https://github.com/gordonturneBigBoard
michaelh4u https://i.imgur.com/XkZwMKj.png https://github.com/michaelh4u/homelabfrontpage
spigotx http://imgur.com/a/1zMht https://github.com/spigotx/HomeLab2
SirMaster https://nicko88.com/ https://github.com/dashbad/plex-server-status
yourofl10 http://imgur.com/a/AyROa TBA
TheBobWiley http://imgur.com/a/oU6d3 https://github.com/TheBobWiley/ManageThis-LandingPages
0110010001100010 http://i.imgur.com/iwtQcsL.jpg https://github.com/danodemano/monitoring-scripts
mescon & SyNiK4L https://i.imgur.com/gqdVM6p.jpg https://github.com/mescon/Muximux
ak_rex http://i.imgur.com/a/RJkrT https://github.com/ak-rex/homelab-dashboard
 
Or build yours from scratch: PRTG API, ELK, Grafana, freeboard, JumpSquares
 
Some other resources: Custom Monitoring Scripts by 0110010001100010
 
Credits to apt64 for his original post
= Pi specific =
 
= Download Automation =
 
= Virtualization =
 
= Monitoring =
 
= Media Center =
 
= Remote access =
 
= VOIP =
 
= Networking =
 
= File Servers/Storage/RAID =
 
= Cameras =
 
= Documentation =
 
= Dynamic DNS =
 
= Backup =
 
= Creating network diagrams =
 
= Guides =
 
= Misc =
 
That's all I could come up with on top of my head + some research, passing over to you guys so we can get a nice complete list!
 
Let's try and stick with free(or mostly) softwares, let me know if you guys feel otherwise.
submitted by Gabisonfire to homelab [link] [comments]

Groestlcoin June Development Update & Release!

Another Quarter, Another Release! The Groestlcoin production factory has been working overtime as always in order to deliver even more tech to push Groestlcoin mainstream when the time comes.
There have been many new fantastic wallets and exchanges added to Groestlcoins repertoire over the past 3 months so we will re-cap these before moving on to what is new today.

Recap

What's New

Re-forged: Groestlcoin Samourai

Groestlcoin Samourai is a wallet for the streets. A modern Groestlcoin wallet hand-forged to keep your transactions private, your identity masked, and your funds secure. Its main advantages are its extreme portability and is the most secure Groestlcoin mobile HD wallet.
We've built a wallet that Groestlcoin deserves. If you are looking for a wallet that Silicon Valley will never build, the regulators will never allow, and the VC's will never invest in, this is the perfect wallet for you.
![Groestlcoin Samourai Release Video](http://img.youtube.com/vi/i3WU8Tde8XQ/0.jpg)

Head over to the Groestlcoin Samourai Release Page here for the full release announcement.

New: GroestlImage

Groestlimage turns any file into a mnemonic phrase allowing users to generate Groestlcoin private keys and addresses based on the data URI of the provided file. A picture is worth a thousand Groestls.

Features:

Link

https://groestlcoin.org/groestlimage/

Source Code

https://github.com/Groestlcoin/groestlimage

New: Groestlcoin Core Config Generator

Groestlcoin Core Config Generator is a simple GUI to configure the groestlcoin.conf file – A developers dream tool!
Each configuration option is available via the user interface, grouped by what attributes they affect. For ease of getting started with a new configuration, a variety of preset "node classes" are available on the right-hand-side of the screen. Selecting a preset will load our recommended base configuration for a node fitting that description, at which point you can then tune the configuration at the single option level.

Features

Link

https://config.groestlcoin.org/

Source Code

https://github.com/Groestlcoin/groestlcoin-core-config-generator

New: Groestlcoin Dumb Block Explorer

Dumb Block Explorer is a trivial block explorer written in a single PHP file. Now everybody can run their own block explorer.

Features

Link

https://www.groestlcoin.org/explore

Source Code

https://github.com/Groestlcoin/dumb-block-explorer

New: Groestlcoin SMS Push TX

Groestlcoin Simple Push TX is a server to push Groestlcoin transactions via SMS. Now everybody can send new transactions via SMS if the Internet is not usable (i.e. blocked by government entities or becomes otherwise unavailable).

Features

Source Code

https://github.com/Groestlcoin/smspushtx

Update: Electrum-GRS 3.3.6

Electrum-GRS is Groestlcoins #1 thin-client for Windows, MacOS, Linux and Android, based on a client-server protocol. Supporting multi-sig wallets without the bloat of downloading the entire blockchain.

New Features (Universal)

New Features (Windows, MacOS, Linux)

New Features (Android)

Link

https://github.com/Groestlcoin/electrum-grs/releases/download
https://play.google.com/store/apps/details?id=org.groestlcoin.electrumgrs

Source Code

https://github.com/Groestlcoin/electrum-grs
submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Transcript of Developer Meeting in Discord - March 29, 2019

Pho3nix Monk3y03/29/2019
Is this unlocked?
oh cool. yes it is
Guess we need an admin to unlock it. Some of our devs cant type in here yet.
@shiggidy @traysi ★★★★★ Can yall unlock this channel?
traysi ★★★★★03/29/2019
Should be open now
bhorn03/29/2019
open!
GhostDogsGhost03/29/2019
heya!
SamzOnline [w1ne]03/29/2019
Woot
theking03/29/2019
Glad to be here.
traysi ★★★★★03/29/2019
@Jeroz can you type now?
Jeroz03/29/2019
Works now
ty
Pho3nix Monk3y03/29/2019
Great. Didn't really have an agenda for this meeting I'm told. Can open it up? Anyone have anything to start?
Bianca_NL03/29/2019
YaY
GhostDogsGhost03/29/2019
testnet voting on messaging bip?
Pho3nix Monk3y03/29/2019
I like it.
@GhostDogsGhost You might be the main "answerer of questions" for this. Not sure where @[Dev-Happy] Blondfrogs is.
GhostDogsGhost03/29/2019
anyone know if it's passed? if and when it'd be great to get some usage
Vincent03/29/2019
all good @traysi ★★★★★
Jeroz03/29/2019
Messaging is active on testnet now. The vote passed.
traysi ★★★★★03/29/2019
I'll try to clean up the permissions for this channel to make it simpler for future meetings.
Jeroz03/29/2019
There is no GUI yet to test it.
GhostDogsGhost03/29/2019
sweet -- yeah just rpc for now
[Dev-Happy] Blondfrogs03/29/2019
here
Pho3nix Monk3y03/29/2019
yay
[Dev-Happy] Blondfrogs03/29/2019
So, for messaging. There is not GUI, we really want to test the protocol which you can use fully through the rpc console.
We understand that this limits the number of users that will want to do testing but we wanted to get it out there asap to find bugs
Jeroz03/29/2019
Is there list of commands / little guide on how to get started with them in the console?
[Dev-Happy] Blondfrogs03/29/2019
Also, we wanted to let everyone know that we are going to try and get messaging protocol and restricted assets on mainnet at the same time. This means that the release for messaging might be delayed by a couple weeks. The devs are working really hard to make this happen and hope that the community is willing to wait a little longer for mainnet messaging.
There are commands like sendmessage listmessages and subscribe rpc calls yes
Jeroz03/29/2019
That would mean 1 hardfork instead of 2 right?
[Dev-Happy] Blondfrogs03/29/2019
Exactly @Jeroz
[Master] Roshii03/29/2019
Hello!
[Dev-Happy] Blondfrogs03/29/2019
Also, the Qt for messaging wont be released until after the hardfork, but the Qt for messaging and restricted assets would be in the same release.
S1LVA | GetRavencoin.org03/29/2019
Hello! Thanks for holding this meeting.
Jeroz03/29/2019
Will dividends also be included to that? @WhaleStreet (BW) (not sure if you are here)
[Dev-Happy] Blondfrogs03/29/2019
Dividends can be released at anytime it is completed as it doesn't require a hardfork
Jeroz03/29/2019
I meant the GUI update
S1LVA | GetRavencoin.org03/29/2019
For restricted assets, will owners of !uniquename have a grace period to claim $uniquename ?
[Dev-Happy] Blondfrogs03/29/2019
I am not sure on the GUI for dividends.
We are still figuring out if we are going to allow for a grave period or not. I think we are leading to the answer of Yes there will be a grace period.
but we aren't sure yet
SamzOnline [w1ne]03/29/2019
I've been studying and out of the loop of the RVN scene for a long time - is there any chance of someone updating me on what y'all talking about?
Pho3nix Monk3y03/29/2019
We have also been going through and cleaning up issues in GitHub. Tried to clean up tags in there as well. We will probably start going though those on a weekly ->monthly basis to stay ahead of things.
Vincent03/29/2019
community seens to agree !ASSET has exclsuvie on $ASSET
GhostDogsGhost03/29/2019
Silva -- that's open for discussion -- I think the general sentiment is that there should be some preference given to current asset owners
[Dev-Happy] Blondfrogs03/29/2019
@SamzOnline [w1ne] We are talking about the roadmap and how the development of the new features are coming along.
SamzOnline [w1ne]03/29/2019
Lovely many thanks
Vincent03/29/2019
what is the justification on only a grace period?
S1LVA | GetRavencoin.org03/29/2019
Is it possible to reissue a !ownership as a $ownership?
Jeroz03/29/2019
@SamzOnline [w1ne]
https://medium.com/@tronblack/ravencoin-tags-and-restricted-assets-84fe3070a226
https://medium.com/@tronblack/ravencoin-kaaawww-2f72077aece
[Dev-Happy] Blondfrogs03/29/2019
@Vincent I don't think is has exclusive rights. More like a first right of refusal for a couple months
Synicide03/29/2019
agree there should be some kind of grace period, or users that originally registered those assets will feel shafted
Vincent03/29/2019
but what is that justification?
if you are building Applein ur garage, you may need a few yrs to go public
S1LVA | GetRavencoin.org03/29/2019
Issue being assets will cease to be unique with two different types about
[Dev-Happy] Blondfrogs03/29/2019
True.
We aren't sure on what approach will be taken yet
Synicide03/29/2019
should regular and restricted assets share the same 'uniqueness of naming'?
[Dev-Happy] Blondfrogs03/29/2019
Please the community let us know what you think is fair.
This topic will 100% need to be discussed a lot
Vincent03/29/2019
when it was announced, there was a lot of discussion; most seemed to agree
SamzOnline [w1ne]03/29/2019
@Jeroz Many thanks
[Dev-Happy] Blondfrogs03/29/2019
If the consensus is that we shouldn't allow for ASSET! and $ASSET to be issued by different people then we will need to make sure that is the right approach. The code hasn't been written yet.
GhostDogsGhost03/29/2019
Some of this will depend on what we end up pricing the $ASSETS at (burn for issuance)..
Vincent03/29/2019
prcing shouldnt matter imo
S1LVA | GetRavencoin.org03/29/2019
We need to determine how important unique asset names are, for varying types.
Vincent03/29/2019
should be the owner of the asset name
[Dev-Happy] Blondfrogs03/29/2019
@S1LVA | GetRavencoin.org Exactly
push | ravenland.org03/29/2019
hey all, sorry im late :thumbsup:
[Dev-Happy] Blondfrogs03/29/2019
Howdy
Synicide03/29/2019
If someone registers !company123, and starts building a platform for themselves, seems they should be given an option to convert to $company123, and shouldnt have to worry about another party creating $company123
[Dev-Happy] Blondfrogs03/29/2019
They will be given that option
Vincent03/29/2019
indefinately
[Dev-Happy] Blondfrogs03/29/2019
the question is, is that option going to exist for forever, or maybe only 4 months
Vincent03/29/2019
then the worry still exists
Rikki RATTOE Sr. SEC Impresantor03/29/2019
I definitely vote for ! And $ to only be issued by the same people
Synicide03/29/2019
lets say they choose not to, can someone else create $company123? Or is that unqiue name shared?
S1LVA | GetRavencoin.org03/29/2019
I believe, ideally, a reissuance option would be available at anytime from !ownership
[Dev-Happy] Blondfrogs03/29/2019
@Synicide That decision hasn't been made yet
theking03/29/2019
@[Dev-Happy] Blondfrogs I do agree that releasing both messaging and restricted assets at same time makes sense so there is only one hard fork. What is the current thinking on tentative timeline before they would both be on main net?
push | ravenland.org03/29/2019
im excited about this memo indication, its useful because it means a buyer of an asset sending rvn can indicate the 'return address' without the 'seller of the asset receiving ravencoin' having to transverse the full vin/vout chain to obtain the source address to dispatch asset to. Is there a timeline for this feature or any documentation on it @[Dev-Happy] Blondfrogs ?
Synicide03/29/2019
my 2 cents, they should be a shared pool of unique names. The door is opened for scammers galore if it isnt.
[Dev-Happy] Blondfrogs03/29/2019
@theking A couple months atleast.
To make sure it is tested on testnet for long enough
theking03/29/2019
That makes perfect sense!
[Dev-Happy] Blondfrogs03/29/2019
@push | ravenland.org It will be on mainnet as soon as it and restricted assets are tested. Is the goal
push | ravenland.org03/29/2019
excellent, i look forward to it
Chill03/29/2019
Thank you for taking the time to bring up the ! and $ ownership issue. It's of extreme importance imo
push | ravenland.org03/29/2019
its gods work your doing there
bitnaive03/29/2019
yeah it seems like any modifiers to the original !NAME should belong to !NAME
DirkDiggler (RVN ded)03/29/2019
I would like to voice concern over the idea of the "grace period".... The idea of a UNIQUE asset name is key to our success. Many of us jumped on names we wanted. This doesn't feel right to need to have yet another name floating around if it's not controlled by the !OWNERSHIP token
S1LVA | GetRavencoin.org03/29/2019
@Chill NP :p
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Yes please on only 1 hard fork
Chill03/29/2019
unique is unique. I have 510 of them!
Synicide03/29/2019
@DirkDiggler (RVN ded) grace peroid wont matter if the naming pool is shared for uniqueness
[Dev-Happy] Blondfrogs03/29/2019
So, If I own GOOGLE!, and I don't want $GOOGLE, no one should be allowed to own it?
DirkDiggler (RVN ded)03/29/2019
exactly
S1LVA | GetRavencoin.org03/29/2019
@[Dev-Happy] Blondfrogs Ideally, yes
bhorn03/29/2019
that feels right to me
Jeroz03/29/2019
yes
SamzOnline [w1ne]03/29/2019
Interesting
DirkDiggler (RVN ded)03/29/2019
yes
Rikki RATTOE Sr. SEC Impresantor03/29/2019
@[Dev-Happy] Blondfrogs I'm good w that
Synicide03/29/2019
that makes the most sense to me. As said, opens the door to scammers if not
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Would add extra value to the ownership token as well
S1LVA | GetRavencoin.org03/29/2019
If more power is given to !ownership(changing type), more value is added to said asset, by way of design and ability
Vincent03/29/2019
and if you want to covert your assets to restricted yrs from now you will have a logistic nightmare if you have a bunch of owners
[Dev-Happy] Blondfrogs03/29/2019
I feel like, if we give people the option to register the restricted asset $ and they don't want it, that it is only fair that it is up for grabs
bitnaive03/29/2019
maybe no one else should be allowed to issue it but it can be transferred
Vincent03/29/2019
why?
Chill03/29/2019
I really don't think that's fair, to be honest
S1LVA | GetRavencoin.org03/29/2019
@[Dev-Happy] Blondfrogs Unique names are lost, in that case.
And in that way, !ownership loses value by not having the ability to change, if need be
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Yeah I'd rather see the one name issued only forever
bitnaive03/29/2019
that way, if some one wants it. the can contact the owner for it.
[Dev-Happy] Blondfrogs03/29/2019
I think restricted assets have a different use case than regular assets, and they can be frozen.
Vincent03/29/2019
i can buy ravenland and revent push from moving forward with is project (after grace)
DirkDiggler (RVN ded)03/29/2019
seems like from a "code" perspective... the idea of 2 different (but similar names) would be a nightmare as well
Jeroz03/29/2019
Ideally give reissuable the extra option of making it restricted in my mind. I have mixed feelings about tokens traveling around that have the same asset name but are a different type.
Vincent03/29/2019
all his logos would have to change to his new name
S1LVA | GetRavencoin.org03/29/2019
They not have them remain one in the same? With the ability to change to restricted, should they have to. Though reissuance?
[Dev-Happy] Blondfrogs03/29/2019
@Vincent That is why push would have plenty of time to pick up the ravenland restricted asset if he wanted it
Rikki RATTOE Sr. SEC Impresantor03/29/2019
One of our selling points over ETH is that ETH can issue a bunch of the same named assets as long as the contract address is different
Vincent03/29/2019
bbut who says what is enough time
i may need yrs
bhorn03/29/2019
the extra cost could be onerous as well
Chill03/29/2019
when the asset layer was launched, it was billed as being unique names. Be careful in changing this, please.
[Dev-Happy] Blondfrogs03/29/2019
True, that amount of time isn't determined yet, if this is the route that is taken
bhorn03/29/2019
some have many many many assets
Rikki RATTOE Sr. SEC Impresantor03/29/2019
RVN, u issue that name once, it can never be duplicated
DirkDiggler (RVN ded)03/29/2019
where as having just another sub asset type ($RESTRICTED) falls under the same hierarchy already defined
bhorn03/29/2019
and the RVN is not as cheaply replaced
[Dev-Happy] Blondfrogs03/29/2019
@Chill Not changing that, just talking about the next asset usecase and how it could be coded is all
Rikki RATTOE Sr. SEC Impresantor03/29/2019
What kind of burn costs are we thinking w issuing restricted assets?
Synicide03/29/2019
@[Dev-Happy] Blondfrogs what if push decides not to, then someone else registers it for malicious intent with the same name? Surely the person who built their company on chain doesnt want another token of their company name out there
Vincent03/29/2019
@[Dev-Happy] Blondfrogs you seem to be the only one fighting for the garce period
[Dev-Happy] Blondfrogs03/29/2019
@Rikki RATTOE Sr. SEC Impresantor Not sure yet, going to be more than regular issuanace is the thought.
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Agreed
S1LVA | GetRavencoin.org03/29/2019
@Vincent Simply bringing it into conversation, no harm
[Dev-Happy] Blondfrogs03/29/2019
@Vincent Not fighting, just keeping an open mind. I just code it, I am not the one making the decision.
push | ravenland.org03/29/2019
hey this is a bit of a random question but i get a lot of subassets send to me, what about wildcard sending via the wallet? like if i wanted to send RAVENLAND/* to an address
Vincent03/29/2019
true but just showing what the concesous is
[Dev-Happy] Blondfrogs03/29/2019
@push | ravenland.org Create a request in the issues on github for extra functionality
push | ravenland.org03/29/2019
:thumbsup:
will do mate
Synicide03/29/2019
seems if ! and $ arent shared unique, then companies will have to register both just to protect themselves
Rikki RATTOE Sr. SEC Impresantor03/29/2019
How about a unique asset w re-issuable IPFS?
S1LVA | GetRavencoin.org03/29/2019
We should be giving more power to !ownership by allowing it the ability to change to $ - Not giving less power to !ownership by duplicating unique names.
Rikki RATTOE Sr. SEC Impresantor03/29/2019
GUNCERT provided a valid use case IMO for unique w re-issuable IPFS
[Dev-Happy] Blondfrogs03/29/2019
@Vincent Sure I get that.
Sevvy (not worried til 500sats)03/29/2019
Agrees
If this is a possibility, to give the restricted assets to those who own the normal ones, it ought to be done
[Dev-Happy] Blondfrogs03/29/2019
@Rikki RATTOE Sr. SEC Impresantor Looking in on how to do that. The request is on github just don't have the time to implement it yet.
restricted assets, will have to be issued. and the corresponding amount of rvn will be burned for them
push | ravenland.org03/29/2019
it'd be nice to see a ravencoin network swarm, us and mango farms are doing something with that so if anyone else wants to get involved, i think its a worthwhile thing to build the power of the ravencoin ipfs hash network to keep them hashes alive
Sevvy (not worried til 500sats)03/29/2019
Yikes
Ah well
push | ravenland.org03/29/2019
i wrote a programmatic script to scrape all the ipfs files, so i can probably runa simple enough shellscript to ipfs add pin everything from chain
Vincent03/29/2019
plus ravenland sent me a bunch of tokens...they will be worthless now!!! :sunglasses:
push | ravenland.org03/29/2019
:joy:
vincent
one day tho eh
Chill03/29/2019
my 250,000 RVN that were spent on RVN assets are feeling pretty weak at the moment
[Dev-Happy] Blondfrogs03/29/2019
@Vincent haha ravenland assets are still assets. They just don't have the ability to freeze then and stop you from trading them
DirkDiggler (RVN ded)03/29/2019
you got to have one ring to rule them all... the Unique Ownership Token does that
SamzOnline [w1ne]03/29/2019
@Chill That puts my 80 to shame!
[Dev-Happy] Blondfrogs03/29/2019
@Chill Like I said, no decision has been made yet.
Vincent03/29/2019
@[Dev-Happy] Blondfrogs just playing with that one
[Dev-Happy] Blondfrogs03/29/2019
@Vincent Yeah, I understand
S1LVA | GetRavencoin.org03/29/2019
Changing gears alittle, Has any further thought been put into privacy?
push | ravenland.org03/29/2019
a tor network with proxychains could be effectively used to privatize a node
Jeroz03/29/2019
Seems that we need to continue discussions about the asset naming and make a write up about the proposals.
I have a different question:
About metadata and transactions. Tron mentioned that it will be possible to attach metadata to every transaction. It was unclear to me whether he meant every messaging transaction or every regular RVN/Asset transaction.
push | ravenland.org03/29/2019
ive been looking into this a little bit
Synicide03/29/2019
@S1LVA | GetRavencoin.org been wondering that too, and if restricted assets for KYC/AML NEED to be trackable
[Dev-Happy] Blondfrogs03/29/2019
@S1LVA | GetRavencoin.org Privacy isn't the main thing ravencoin wants right now. We need to be able to send and trade assets with visibility of amounts and the asset names. Once the main core components are finished, we can start thinking about integration privacy.
push | ravenland.org03/29/2019
as i understand it tor could as a protocol be built into ravencoin itself and distroed as a private tor based connector or hardened in such a way not to leak dns or requests that are not 'tor' proxied .. but you could do this already with some modifications to most linux systems (without the need for a ravencoin release)
S1LVA | GetRavencoin.org03/29/2019
Understood
[Dev-Happy] Blondfrogs03/29/2019
@Jeroz With messaging, all asset transactions can contain a metadata field yes.
Jeroz03/29/2019
RVN too?
[Dev-Happy] Blondfrogs03/29/2019
Not RVN at this time, as that already exists with the OP_RETURN functionality of bitcoin
Jeroz03/29/2019
Yeah I was about to say
S1LVA | GetRavencoin.org03/29/2019
I dream of one day Ravencoin giving users the ability to protect themselves from state level actors looking to oversee transactions on chain.
[Master] Roshii03/29/2019
What's the subject?
[Dev-Happy] Blondfrogs03/29/2019
@S1LVA | GetRavencoin.org That would be amazing, however the dividends and voting require a public ledger in order to send
Synicide03/29/2019
@[Master] Roshii large one is if regular and restricted assets should share unique names, and/or if a grace peroid should be allowed for original owners to register restricted assets
[Dev-Happy] Blondfrogs03/29/2019
So we would need to figure out a way to have that info public and keep privacy
S1LVA | GetRavencoin.org03/29/2019
Agree'd
Synicide03/29/2019
that was my worry, that it HAS to be public for a lot of uses. Privacy would have to be optional
[Dev-Happy] Blondfrogs03/29/2019
ravencoin was built and is being built to support asset trading. Privacy is important but isn't currently the focus of the dev team.
Synicide03/29/2019
sounds good, focus on our roadmap and can research it more in the future
S1LVA | GetRavencoin.org03/29/2019
Privacy is one of the very lasts subjects brought up in the whitepaper, after all :wink:
Vincent03/29/2019
to bring up an old topic; assets that haven't been reissued, there was talk about lowering the decimal places to reissue; i know not important but if it needed to be in a hard fork; should it be looked at the add to th next?
[Dev-Happy] Blondfrogs03/29/2019
@Vincent I have found a way to do this, however it requires the reissuer to own all assets
Synicide03/29/2019
how would you determine the correct values if lowering decimals? rounding?
Rikki RATTOE Sr. SEC Impresantor03/29/2019
@[Dev-Happy] Blondfrogs Yes!
Vincent03/29/2019
correct
nice
Synicide03/29/2019
if they all own, I guess its a non-issue
[Dev-Happy] Blondfrogs03/29/2019
We aren't currently working on that, but I will try and get it into the hard fork release
Vincent03/29/2019
it would be a 1 time option, correct?
Rikki RATTOE Sr. SEC Impresantor03/29/2019
In that event too, ability to reduce total supply as well if u still own every asset created would also be an excellent Option to have
When 350? (350club)03/29/2019
Is Bruces worry about the security of Ravencoin a curent issue?
Chill03/29/2019
That seems to be the talk of the day
Zaab03/29/2019
Its just honesty
Sevvy (not worried til 500sats)03/29/2019
We know a 51% attack is cheap
[Dev-Happy] Blondfrogs03/29/2019
@Vincent Depends on if it meets requirements.
Sevvy (not worried til 500sats)03/29/2019
But reorg depth protection is good
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Yes Ravencoin currently doesn't have the network security that Bitcoin does, and water is wet
push | ravenland.org03/29/2019
more full nodes is the answer to a stronger consensus and therefore a more securer network
Sevvy (not worried til 500sats)03/29/2019
Hmmm checks out
push | ravenland.org03/29/2019
:ThinkBlack:
Vincent03/29/2019
right i guess my question is one time at most?
Synicide03/29/2019
It feels like more than just honesty. The last 4 post in a row from the Ravencoin twitter have some type of FUD based around it. Its all you see on the first page when looking at it. Some of that stuff needs to be kept to his personal account
Sevvy (not worried til 500sats)03/29/2019
Probably not a development Question, what Bruce says on his own time. :persevere:
Rikki RATTOE Sr. SEC Impresantor03/29/2019
@Synicide Bruce don't wanna spend a fortune on restricted assets :yum:
Sevvy (not worried til 500sats)03/29/2019
I don't like it myself either though @Synicide
boatsandhoes03/29/2019
yeah the ravencoin twitter has been a bit..... not good to put it easy
Vincent03/29/2019
this is bruces baby...and fud should be taken lightly imo
[Dev-Happy] Blondfrogs03/29/2019
Bruce can say what he wants :_)
Chill03/29/2019
well, it is the unofficial official Twitter page, so it kind of does matter
[Dev-Happy] Blondfrogs03/29/2019
We have taken measures to make sure ravencoin is safe and to stop 51% attacks
Synicide03/29/2019
I agree on his personal account. When people look up this project on twitter, they dont need a full page of fud
push | ravenland.org03/29/2019
its not a very development orientated debate tho in fairness
Vincent03/29/2019
no news will stop a well designed code
S1LVA | GetRavencoin.org03/29/2019
Many new users are asking about IPFS integration. Is this still being researched?
When 350? (350club)03/29/2019
I only asked as it appeared Bruce was saying there is a current security vulnerability..
push | ravenland.org03/29/2019
@[Dev-Happy] Blondfrogs what can people do to help secure the ravencoin network into 2019 and in the future?
Rikki RATTOE Sr. SEC Impresantor03/29/2019
@When 350? (350club) Bruce doesn't code, he wouldn't know
boatsandhoes03/29/2019
sorry, got a late start on this meeting. is kyc stuff on the table for discussion today, or is that at a later meeting?
[Dev-Happy] Blondfrogs03/29/2019
@push | ravenland.org Looks at the PR's, make sure the code being added is well written and secure.
push | ravenland.org03/29/2019
sure thing
and run fullnodes right?
[Dev-Happy] Blondfrogs03/29/2019
Run nodes, and mine ravencoin!
haha
hashpower
push | ravenland.org03/29/2019
:thumbsup:
boatsandhoes03/29/2019
that part
Pho3nix Monk3y03/29/2019
Looks like its time.
Jeroz03/29/2019
Alright, I have to pick up my son. Thanks everyone!
Pho3nix Monk3y03/29/2019
Thanks all
Rikki RATTOE Sr. SEC Impresantor03/29/2019
Thx!
Vincent03/29/2019
:sunglasses:
push | ravenland.org03/29/2019
cheers again :thumbsup: keep up the good work :rvn_hop:
Chill03/29/2019
thanks for everyone's hard work
Synicide03/29/2019
great talks today, thanks guys
Pho3nix Monk3y03/29/2019
Can have an admin shut it down and move this over to another channel until next time.
[Dev-Happy] Blondfrogs03/29/2019
Thanks for voicing your concerns.
S1LVA | GetRavencoin.org03/29/2019
Thanks everyone
Pho3nix Monk3y03/29/2019
@traysi ★★★★★ can you lock it back?
traysi ★★★★★03/29/2019
The channel is locked now.
submitted by mrderrik to Ravencoin [link] [comments]

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