The bitcoin-sdk-lite is a sdk which create bitcoin address by mnemonic and offline bitcoin transaction sign. It support p2pkh, p2wpkh and p2sh format address and offline transaction sign, and also support m-n multi sign p2ms format address and offline transaction sign.
The address create code in address.ts file and offline sign code in sign.ts; You run address.test.ts and sign.test.ts test function of this code.
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