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CryptoManiac edited this page Jan 29, 2014 · 6 revisions

The transactions history is permanently recorded in the network through items called blocks. A block is a record of some or all of the most recent transactions that have not yet been recorded in any prior blocks. Each block memorializes what took place immediately before it was created.

Block structure

Field Description sizeof
Magic number Always 0xE5E9E8E4 4
Block size Number of bytes following up to end of block 4
Block header Consists of [[6 items Block header]]
Transactions count Variable integer (VarInt) 1 - 9
Transactions set List of transactions Transactions size
Header signature Signature for proof-of-stake is placed here. <= 72
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