How does the SHA-256 algorithm contribute to the immutability of blockchain transactions?

Can you explain how the SHA-256 algorithm plays a role in ensuring the immutability of transactions on the blockchain?

3 answers
- The SHA-256 algorithm is a cryptographic hash function used in blockchain technology to ensure the immutability of transactions. When a transaction is made on the blockchain, it is hashed using SHA-256, which produces a unique hash value. This hash value is then stored in the blockchain, creating a digital fingerprint of the transaction. Any change made to the transaction data will result in a different hash value, making it easy to detect tampering. By using SHA-256, the blockchain can verify the integrity of transactions and maintain their immutability.
Mar 19, 2022 · 3 years ago
- SHA-256 is like the guardian of the blockchain, ensuring that no one can mess with the transactions. It's a cryptographic algorithm that takes the transaction data and produces a fixed-size hash value. This hash value is unique to the transaction and acts as a digital signature. If anyone tries to modify the transaction data, even a tiny change, the hash value will be completely different. This makes it impossible to tamper with the transaction history without being detected. So, thanks to SHA-256, the blockchain transactions remain immutable and secure.
Mar 19, 2022 · 3 years ago
- The SHA-256 algorithm is a critical component of blockchain technology. It is used to create a unique hash value for each transaction, which is then stored in the blockchain. This hash value acts as a digital fingerprint of the transaction, ensuring its immutability. If anyone tries to alter the transaction data, the hash value will change, alerting the network to the tampering attempt. The SHA-256 algorithm provides a high level of security and makes it extremely difficult for anyone to modify past transactions on the blockchain without being detected.
Mar 19, 2022 · 3 years ago

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