Whitepapers Stories Figures Glossary Graph Search

Block Header

Network & Protocol 4 references

A compact summary of a block containing metadata such as previous block hash, Merkle root, timestamp, and consensus fields. Headers allow light clients to follow the chain with less data.

Appears in 4 whitepaper sections

$BTC Bitcoin
Reclaiming Disk Space
...──────────────┐ │ │ Block ┌─────────────────────────────┐ │ │ │ Block Header (Block Hash) │ │ │ │ Block Header (Block Hash) │ │ │ │ ...
Simplified Payment Verification
...─────────────────┐ ┌────────────────────────────────────────┐ │ Block Header │ │ Block Header │ ...
$ETH Ethereum
Merkle Trees
...o children, recursively building up to a single root hash that is stored in the block header. This hierarchical structure allows anyone to verify that a specific transactio...
$DOGE Dogecoin
Network Architecture
... are created. Miners compete to find a nonce value that, when combined with the block header data and processed through the Scrypt hashing algorithm, produces a hash value ...