code: func (pubKey PubKeySecp256k1) Address() Address {
  	hasherSHA256 := sha256.New()
  	hasherSHA256.Write(pubKey[:]) // does not error
  	sha := hasherSHA256.Sum(nil)
  
  	hasherRIPEMD160 := ripemd160.New()
  	hasherRIPEMD160.Write(sha) // does not error
  	return Address(hasherRIPEMD160.Sum(nil))
  }
docs: // Implements Bitcoin style addresses: RIPEMD160(SHA256(pubkey))