Keccak Hash Generator
Keccak FAQ
What is the difference between Keccak and SHA-3?
SHA-3 is based on Keccak but uses different padding rules. Keccak is the original function, while SHA-3 is the standardized version.
Why is Keccak-256 important in Ethereum?
Ethereum uses Keccak-256 for generating addresses, transaction hashes, and smart contract identifiers.
Is Keccak secure?
Yes. Keccak has withstood significant cryptanalysis and is considered secure for modern cryptographic applications.
Which Keccak variant should I use?
Keccak-256 is the most widely used, especially in blockchain. Other variants are useful when different output lengths are required.
What is Keccak Hashing?
Keccak is the cryptographic hash function that won the NIST SHA-3 competition. It is similar to SHA-3, but with slightly different padding rules. Keccak-256 is especially popular in the Ethereum blockchain for generating addresses and transaction hashes.
Unlike SHA-2, Keccak and SHA-3 are based on a sponge construction, making them flexible and resistant to modern cryptanalysis. Keccak can generate hashes of different lengths: 224, 256, 384, and 512 bits.
This tool lets you compute Keccak hashes instantly in your browser — 100% secure and client-side.