What is the role of SHA-256 in securing Bitcoin transactions?

Can you explain the significance of SHA-256 in ensuring the security of Bitcoin transactions? How does this cryptographic hash function contribute to the overall security of the Bitcoin network?

1 answers
- SHA-256 is a critical component of Bitcoin's security framework. It acts as a digital fingerprint for each transaction, ensuring its integrity and preventing any unauthorized modifications. When a Bitcoin transaction is created, the transaction data is passed through the SHA-256 algorithm, which produces a unique hash. This hash is then included in the blockchain, which is a decentralized ledger that records all Bitcoin transactions. The use of SHA-256 makes it virtually impossible for anyone to alter the transaction data without being detected, as even a slight change in the input would result in a completely different hash. This provides a high level of security and trust in the Bitcoin network, making it resistant to fraud and manipulation.
Mar 19, 2022 · 3 years ago

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