A javascript library for building wallets with BSV support

KeyRing is a javascript library that can be used to easily build wallets for the Bitcoin SV blockchain. It enables you to develop your distributed applications faster. With KeyRing it is very easy to add new op returns and script templates because of how the library is designed to work with multiple chains.

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BSV Support

Built from the ground up to support the BSV blockchain


Create and sign transactions from raw data including all inputs and outputs


Supports BSV’s larger op_return size