As a crypto trader, I confess to joining the world of crypto-currency trading late on. Having heard about Bitcoin many years ago, but deciding not to invest in the opportunity due to not understanding the concept. After all, why anyone would deem a virtual currency as valuable?
I myself, like many others now invested in various crypto currencies, missed an opportunity to make incredible amounts of money.
Back in early 2017 my interest in the world of crypto-currency was re-ignited, having heard about a young entrepreneur who goes by the name of Vitalik Buterin, and of his steely determination to develop Blockchain technology in the form of Ethereum.
I spent a few months sat on the fence. It was only around June of 2017 I finally decided to take the plunge, and invested in some Eth, which I still hold to this day. It was only as I began studying Blockchain technology, dapps, ICO’s and all of the other elements of cryptocurrency, I began to realise there were also a lot of emerging start-ups who are absolutely determined to take Blockchain to the next level.
I began researching into NEO, labelled by some as the “Ethereum of China” – A label that is unfair when you actually delve further into the tech and understand its potential. There are many arguments to suggest that NEO technology is superior to Ethereum, but there are also strong arguments as to why (from an investment perspective) it makes far more sense to invest in Ethereum. I will not entertain the “Ethereum vs. NEO” discussions, as this often descends into “fanboy” my-crypto-is-better-than-your-crypto arguments. In my personal opinion, both technologies can quite happily co-exist, and both will be front-runners in this space, but that is just my opinion.
There are plenty of reddits and websites with tons of information on both Ethereum and NEO, so it is pointless to spend time going over the same information. Do your own research if you do not understand them! Besides, the fact that you’ve searched for HPB means that hopefully you have already done some background research. The point of this post is to discuss High-Performance Blockchain, which has the ERC-20 token HPB I only discovered this coin on the 11th January (5 days ago at the time of writing this), and I would firstly like to give thanks to another redditor (doogie88) for sharing the information on HPB that laid the groundwork for me to explore this fantastic opportunity further.
To read more about the introduction to HPB, please read here:
HPB breakdown Ok so hopefully at this stage you have a basic idea of what HPB is and what the company are trying to do. For anyone too lazy to read it all, here are the salient point in bullets:
• Blockchain technology currently suffers from bottlenecks. These are latency and throughput. Latency is the amount of time you have to wait until a transaction is processed. Throughput is the number of transactions that can be processed in a particular amount of time.
• In theory, if all the peers of Ethereum were to use 10 Gig NIC cards with 16 core processors, they would be able to achieve a transaction rate of around 1,000 TPS (transactions per second). Currently, it handles 15. As Ethereum scales this will not be acceptable, hence the reason for the development of scaling solutions.
• Transactional delays cost people money! If the delay is more than even a few seconds it may be unable to meet user needs, thus seriously reducing the competitiveness of the application. These delays greatly of course affect the general user experience.
• HPB aims to address Blockchain bottlenecks by creating an architecture similar to an API operating system.
• The software architecture element of HPB will provide accounts, identity and authorization management, policy management, databases, and asynchronous communication on thousands of CPUs, FPGAs or clustered program schedulers.
• HPB is a completely new architecture that will be capable of supporting 1,000,000+ TPS and will support authorizations within seconds.
• To achieve this, HPB will harness parallel processing and leveraging specialist TCP/IP offload engine (TOE) Hardware chips
• HPB’s hardware acceleration engine will be able to maintain a large number of conversations with a huge number of nodes, and it will not have to wait until a complete block is released.
• HPB is expected to produce a new block every 3 seconds. At any point, only one producer is authorized to produce blocks. If a block production fails at any time, then crucially that block is skipped.
• It’s estimated that in just 1.5 seconds, a transaction will be identified and confirmed on 99.9% of the blockchain.
• The application SDK will support Java, JavaScript, .NET, Ruby, Python and other lesser-known SDK languages. • Interoperability capabilities with both the Ethereum Virtual Machine (EVM) and the NEO Virtual machine (NEOVM) • Investors backing the project include NEO, TimeStamp Capital (8btc), Bixin, Transwiser and Jixianyuan
• HPB founder Wang Xiao Ming is the author of multiple books, and has been involved in Blockchain technology for many years.
Wang Xiao Ming tech blog • HPB Beta1 is to be launched in Q1 2018
• HPB Beta3 is to be launched in Q3 2018
• HPB full release in 2019
• Partnership announced with
CPChain So why do I think it is such a good investment opportunity? Well apart from the actual project details that sound incredible, there is also the fact that this has almost zero marketing to the western world. Most of the links and images below I found whilst trawling through Chinese websites and they are quite difficult to find with just a standard google search! It’s also currently only listed on two relatively small and unknown exchanges such as
Bibox Even though this exchange is small and relatively new, the trading volume on HPB is already ramping up! As of today, the market cap is tiny and has huge potential for growth, especially if the rumours of being added to Kucoin and Binance actually happen.
I’m extremely excited about this one!
.
If you feel inclined to donate some ether or tokens, my wallet is: 0xd7FAbB675D9401931CefE9E633Ef525BfBa7a139
.
Some other useful Links below:
HPB Whitepaper HPB News TOE github CPChain partnership website . Videos - Sorry they are in Chinese and I don't speak Chinese
HPB presentation @ blockchain Summit 2017 -In Chinese Video interview of Wang Xiaoming - In Chinese .
Various images related to HPB, the TOE NIC card and the founder Wing XiaoMing
Close-up of HPB TOE NIC Board HBP card running Wang Xiao Ming Proudly Displaying HPB TOE NIC Board Wang Xiao Ming presentation at Lujiazui Blockchain event Wang Xiao Ming presenting at the BTAS2017 summit Wang Xiao Ming Blockchain presentation Jason Hu presentation at University of Science & Tech in China HPB Hardware development design review HPB – New offices HPB – New office at Christmas more images - 1 more images - 2 more images - 3 more images - 4 more images - 5 .
My wallet address, if you found this useful and would like to donate is: 0xd7FAbB675D9401931CefE9E633Ef525BfBa7a139
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:
- Multi-Device – Ability to hide accounts from all but the primary account.
- Multi-Account – Multiple, entirely separate accounts in one wallet.
- Multi-Platform – Available on iOS, Android, Web, Windows, Linux and Mac OS
- Multi-Signature – Create multi-signature accounts between many people, where a certain amount of people’s signatures is required to sign a transaction. Some can be required before a transaction is signed.
- Native support for many currencies – Multiple currencies are supported, accessed all from the same wallet and backup keywords.
- Advanced Coin Control (Choose which UTXO are involved in the transaction), multiple destinations and manual fee settings.
- 2FA support for enhanced security, also available via Telegram.
- Wrong-Currency detection. The server knows if someone sends BTC to a BCH address and visa versa and automatically creates a new account to be able to recover the funds.
- A single backup using standard BIP39 mnemonics is valid and enough for an unlimited number of transactions, address and different account types
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
- Cryptocurrency Exchange HolyTransaction features a cryptocurrency exchange where you can exchange between all popular currencies with just a few clicks. Instant send from one currency to another.
- Simple to use - With a simple, no-handdles GUI, anyone can now use and have access to cryptocurrency.
- Cutting-Edge security - Following industry-best standards, and guarentee that your money is safe. Utilising hot and cold storage wallets.
- Features an API whereby you can integrate cryptocurrency support into any website, from invoice processing to white-labelled multi-currency wallets.
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
- Cross-Platform, NEXT runs on Windows, Linux and MacOS
- Fast and Lightweight - NEXT is an extremely fast and light wallet
- Modern User Interface - The interface is elegant and simple to use, perfect for new to cryptocurrency and veterans alike.
- In-Wallet Proposal Tab - Proposal tab will allow users to view all proposals and/or easily create a proposal.
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:
- Qt GUI: seed word auto-complete during restore
- performance improvements (wallet, and Qt GUI)
- hardware wallets: show debug message during device scan
- add regtest support (via --regtest flag)
- other minor bugfixes and usability improvements
- If present, libsecp256k1 is used to speed up elliptic curve operations. The library is bundled in the Windows, MacOS, and Android binaries. On Linux, it needs to be installed separately.
- Transactions that are dropped from the mempool are kept in the wallet as 'local', and can be rebroadcast. Previously these transactions were deleted from the wallet.
- The scriptSig and witness part of transaction inputs are no longer parsed, unless actually needed. The wallet will no longer display 'from' addresses corresponding to transaction inputs, except for its own inputs.
- The partial transaction format has been incompatibly changed. This was needed as for partial transactions the scriptSig/witness has to be parsed, but for signed transactions we did not want to do the parsing. Users should make sure that all instances of Electrum-GRS they use to co-sign or offline sign, are updated together.
- Signing of partial transactions created with online imported addresses wallets now supports significantly more setups. Previously only online p2pkh address + offline WIF was supported. Now the following setups are all supported: > online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline WIF, > online {p2pkh, p2wpkh-p2sh, p2wpkh} address + offline seed/xprv, > online {p2sh, p2wsh-p2sh, p2wsh}-multisig address + offline seeds/xprvs > (Potentially distributed among several different machines) Note that for the online address + offline HD secret case, you need the offline wallet to recognize the address (i.e. within gap limit). Having an xpub on the online machine is still the recommended setup, as this allows the online machine to generate new addresses on demand.
- Segwit multisig for bip39 and hardware wallets is now enabled (both p2wsh-p2sh and native p2wsh).
- Ledger: offline signing for segwit inputs (#3302) This has already worked for Trezor. Offline segwit signing can be combined with online imported addresses wallets.
- Added Revealer plugin. ( https://revealer.cc ) Revealer is a seed phrase back-up solution. It allows you to create a cold, analog, multi-factor backup of your wallet seeds, or of any arbitrary secret. The Revealer utilizes a transparent plastic visual one time pad.
- Fractional fee rates: the Qt GUI now displays fee rates with 0.1 gro/byte precision, and also allows this same resolution in the Send tab.
- Hardware wallets: a "show address" button is now displayed in the Receive tab of the Qt GUI. (#4316)
- Trezor One: implemented advanced/matrix recovery (#4329)
- Windows: use dnspython to resolve dns instead of socket.getaddrinfo (#4422)
- Importing minikeys: use uncompressed pubkey instead of compressed (#4384)
- SPV proofs: check inner nodes not to be valid transactions (#4436)
- Qt GUI: there is now an optional "dark" theme (#4461)
- Several other minor bugfixes and usability improvements.
- Fix DNS resolution on Windows
- Fix websocket bug in daemon
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
- Android: fix some crashes
- If present, libsecp256k1 is used to speed up elliptic curve operations. The library is bundled in the Windows, MacOS, and Android binaries. On Linux, it needs to be installed separately.
- Two-factor authentication is available on Android. Note that this will only provide additional security if one time passwords are generated on a separate device.
- Semi-automated crash reporting is implemented for Android.
- Qt/Kivy: added "gro" as optional base unit.
- Kivy GUI: significant performance improvements when displaying history and address list of large wallets; and transaction dialog of large transactions.
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?
- Track Segwit BIP84 ZPUBs extended pubkeys
- Sweep Segwit BIP49 (P2SH-P2WPHK) and Segwit BIP84 (bech32) amounts into selected account/address
- Broadcast hex tx
- Added option to chose from Binance and Upbit as selected Exchange
- Added Korean Won as price option
- Receive address closes upon receipt of groestlcoin
- Fix EUR price  ### Groestlcoin P2SH Paper Wallet #### What is Groestlcoin P2SH Paper Wallet? Groestlcoin P2SH paperwallet is a simple groestlcoin paper wallet generator that utilizes Segregated Witness (SegWit) Pay To Witness Public Key Hash (P2WPKH) addresses and transactions.
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
- Details section to validate private keys and to view corresponding segwit address, public key and redeem script.
- Segwit brain wallet
- Removed Vanity generator as it was very slow. (Please use VanityGen command line or EasyVanity instead)
- Rebranded segwit paperwallet to p2sh paperwallet
- Favicon updated
- Testnet support added
- Groestlcoin Sentinel can sweep funds from private keys and QR codes generated with this tool
- Groestlcoin Sentinel Testnet can sweep funds from private keys and QR codes generated with this tool
- Electrum-GRS can import private keys using the console and the importprivkey() command. Import as P2SH segwit: importprivkey('p2wpkh-p2sh:KzTLBvC6mNudLBjEmwYCuk3jrZ7sZS8CzFDzcrwnDM2CVpH8vNAn')
- Electrum-GRS Testnet can import private keys using the console and the importprivkey() command. Import as P2SH segwit: importprivkey('p2wpkh-p2sh:cNNDi1AT8XNng2wJ5HNFN41toufU9XZ2bW8MGi7c9SGw4hnMuASk')
Features
- Keypair generation with QR Codes
- Bulk address generator
- Key Sweeping Tool to move all funds belonging to a single SegWit private key.  ### Groestlcoin BECH32 Paper Wallet Released #### What is Groestlcoin BECH32 Paper Wallet? Groestlcoin BECH32 paperwallet is a simple groestlcoin paper wallet generator that utilizes Segregated Witness (SegWit) Pay To Witness Public Key Hash (P2WPKH) addresses and transactions.
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
- Detail section to validate private keys and to view corresponding segwit address, public key and redeem script.
- Segwit brain wallet
- Testnet support
- Groestlcoin Sentinel can sweep funds from private keys and QR codes generated with this tool
- Groestlcoin Sentinel Testnet can sweep funds from private keys and QR codes generated with this tool
- Electrum-GRS can import private keys using the console and the importprivkey() command. Import as P2SH segwit: importprivkey('p2wpkh-p2sh:KzTLBvC6mNudLBjEmwYCuk3jrZ7sZS8CzFDzcrwnDM2CVpH8vNAn')
- Electrum-GRS Testnet can import private keys using the console and the importprivkey() command. Import as P2SH segwit: importprivkey('p2wpkh-p2sh:cNNDi1AT8XNng2wJ5HNFN41toufU9XZ2bW8MGi7c9SGw4hnMuASk')
- Bulk address generator
- Key Sweeping Tool to move all funds belonging to a single SegWit private key.
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:
- RBF (Replace-By-Fee) enabled by default
- Bech32 address support added
- Testnet support added
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