<ul><li>A new consensus algorithm called Proof of Authentication (PoAh) is introduced to address scalability and efficiency issues in blockchain networks.</li><li>PoAh ensures secure and authenticated block validation by combining transactions into a block, signing it with the node's private key, and verifying the signature using the source node's public key.</li><li>Authenticated blocks are appended with a cryptographic Proof of Authentication (PoAh) and added to the blockchain, while blocks that fail authentication are discarded.</li><li>The provided Python example demonstrates the practical implementation of the PoAh algorithm, showcasing how transactions are combined, signed, verified, and added to the blockchain.</li></ul>

Implementing your own Proof Of Authentication. (Part 1)

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