Hash Generator

Generate SHA-256, Keccak-256, and SHA-512 hashes instantly as you type.

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General-purpose hash used in Bitcoin block headers and proof-of-work (Bitcoin actually double-hashes with SHA-256).

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Ethereum's hash function — used for address derivation (EIP-55 checksums), transaction hashes, and smart-contract storage keys.

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Wider SHA-2 variant; less common in blockchain but used in some signature and key-derivation schemes.