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'Cryptographic Hash Functions in Blockchain [with Bash & Python Code]' decentralizedinternet quicknode
peer-to-peer network in which transactions can happen between peersEach block in a blockchain consists of the following:genesis blockIn a blockchain, the transactions are hashed using secure hashing algorithms. And here's whereCryptographic hash functions are used to generate the hashes that uniquely identify the blocks.
Whenever the data in a particular block changes or is updated, the hash changes drastically. And because of this, the hash of the particular block should be updated, and the hash values in subsequent blocks should change as well. This makes it next to impossible to tamper with the contents of a specific block. In some sense, the hashes not only uniquely identify the block but also facilitate immutability of the blockchain.
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