- Blockchain Quick Reference
- Brenn Hill Samanyu Chopra Paul Valencourt
- 130字
- 2021-08-13 15:54:45
Block header
The block header of a block in Bitcoin comprises of metadata about the block. Consider the following:
- Bitcoin version: This field contains the Bitcoin version number.
- Previous block hash: The previous block's hash is required to create the new block's hash.
- Merkle root: This is the hash of the root of the Merkle tree of the current block's transactions.
- Timestamp: This is the timestamp of the block in UNIX.
- Mining difficulty: Mining is a crucial part of the blockchain ecosystem in Bitcoin. There is a difficulty target for mining, which is mentioned in the header.
- Nonce: Blockchain adds deviations in each block; these are known as nonce. Take a look at this diagram:
The formation of block headers and what comprises the Merkle root and the Merkle tree