# Functions
AddMessagePrefix adds the Ethereum message prefix to the given data as defined in EIP-191.
ECPublicKeyToAddress returns the Ethereum address for the given ECDSA public key.
ECSigner returns a Signer implementation for ECDSA.
Keccak256 calculates the Keccak256 hash of the given data.
# Variables
ECRecoverer is a Recoverer implementation for ECDSA.