How does blockchain use hash functions?
An example of an AI chatbot conversation about how blockchain utilizes hash functions.
Can you explain how blockchain uses hash functions?
Sure! Blockchain uses hash functions to ensure data integrity and security. Each block contains a hash of the previous block.
What happens if someone tries to change a block?
If someone tries to change a block, the hash of that block will change, which will invalidate all subsequent blocks, making tampering evident.
Are hash functions reversible?
No, hash functions are designed to be one-way. You can't retrieve the original data from the hash.
What are some common hash functions used in blockchain?
Common hash functions include SHA-256 and Keccak-256, which are widely used in Bitcoin and Ethereum respectively.
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