GRS is a Bitcoin-based Proof-of-Work cryptocurrency founded in March 2014 with 105M Max supply which uses Grøstl-512
https://en.wikipedia.org/wiki/Gr%C3%B8stl algorithm, a NIST hash function competition SHA-3 finalist. There are no ASICs known at the moment, and an alternative derivate of the algorithm is already developed to deploy on fork if an ASIC is ever created. It was the first cryptocurrency to implement Segregated Witness (SEGWIT) and to make a Lightning Network transaction in the mainnet.
The main features are: Instantaneous transactions, near-zero TXs, wallets for every platform, including iOS apple-approved wallets, all of which work flawlessly, Samourai wallet for hidden transactions and wallet funds and also has the ability to make payments using SMS, without needing a mobile internet connection, and address protection. Blockchain does not accept non-valid addresses. Funds are prevented to get easily lost if a mistake is made in the address entry.
The development release are done quarterly and is done on the 22nd of March, June, September and December. The team has a policy of never pre-announce announcements. All announcements not in the development release are announced on surprise. All of what has ever been in the roadmap has been released fully and without delay. Next development released is expected to include Trezor and Ledger Hardware wallets and possibly the integration to Rootstock (RSK) smart contracts.
The coin development has never been through any kind of drama. Developers are active in the Telegram and community is pretty focused on technology and long-term real world adoption by sharing the word to merchants, as it is an Open-Source product ready for use which is gaining adoption by small merchants around the world.
The coin is currently valued at $1.5 and has a market cap of around $100M. The circulation is now 69M and the main exchanges where it's traded are: Upbit (South Korea), Binance (Hong Kong, soon Malta) and Bittrex (U.S.A.).
