# README
ECDSA
This module implements Bitcoin's ECDSA signature algorithm over Secp256k1 curve. It follows the "message sign" format in Bitcoin. The format is used in OKX wallet SDK.
References:
# Constants
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This module implements Bitcoin's ECDSA signature algorithm over Secp256k1 curve. It follows the "message sign" format in Bitcoin. The format is used in OKX wallet SDK.
References: