The Difference Between SHA-1, SHA-2 and SHA-256 Hash Algorithms
Bitcoin Association - Have you ever wondered why TXID is the double SHA256 hash or SHA256d of a serialized Bitcoin transaction? 📖: To find out why and for more information on TXID
Bitcoin Basics: Blockchain, hashing & mining….oh my! | by Daz Bea | Medium
GitHub - secworks/sha256: Hardware implementation of the SHA-256 cryptographic hash function