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Introduction In episode 11, Bill highlighted the issue of identity verification and provided a solution to this problem. The solution proposed was to cryptographically sign a transaction to verify its authenticity. Bill chose to implement a solution making use of the Elliptic Curve Digital Signature Algorithm (ECDSA) as the public key can be extracted from a signature. Although a small distinction, the ability to re-compute a public key is essential in a decentralized and distributed environment...