A validation protocol is a set of rules and processes used to verify transactions and maintain consensus within a blockchain network. It ensures that the data added to the blockchain is correct, secure, and agreed upon by participants.Different types of validation protocols exist, such as Proof of Work (PoW) and Proof of Stake (PoS). In PoW, miners compete to solve complex mathematical puzzles to validate transactions, while in PoS, validators are chosen based on the number of coins they hold and are willing to “stake” as collateral.These protocols help prevent fraud, double spending, and ensure the integrity of the network. They also play a crucial role in determining how new coins are created and distributed.Overall, validation protocols are foundational to blockchain functionality, fostering trust among users by enabling decentralized verification and maintaining a transparent record of all transactions.