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A 256-bit variant of Secure Hash Algorithm 2

3 votes
2 answers
1k views

Checking the Merkle Root for Block #100000

Each pair is concatenated together as 64 raw bytes and SHA256(SHA256()) hashed to form a second row of hashes. … Then I hash that hash one more time: Sha256(sha256()). I repeat that procedure one more time with the second two transactions in the block. …
Adam Smith's user avatar
0 votes
2 answers
488 views

Understanding the Hash Function

, along with A nonce that the miner's have to guess in order for the hash of all these components, using Sha256, to have at least 18 leading zeros. … Using the data available on blockchain.info about each block, can I recreate the winning hash by inputing the same data into a Sha256 calculator? Thanks. …
Adam Smith's user avatar