Blog » BLAKE2: “Harder, Better, Faster, Stronger” Than MD5 Best read while listening to Daft Punk: Harder, Better, Faster, Stronger Why use BLAKE2 instead of Skein, Keccak (SHA-3), MD5, or SHA-1 as a secure hash function? BLAKE was the best-rated hash function in the SHA-3 competition NIST, in the final report of the SHA-3 competition, said this about the finalists (which included BLAKE, Keccak, S