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. Features • Offline Compressed & uncompressed Address creation. • Offline Multisignature Address creation. • In browser Key (re)generation. •[…]