The term horace walpole is identified in base64 scheme by the sequence aG9yYWNlIHdhbHBvbGU=, while the MD5 signature is equal to d3d7ad4ee2185c60c5a2c8aa8c9dae4c. The ASCII encoding of horace walpole in hexadecimal notation is 686f726163652077616c706f6c65.