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drusselloctal@gmail.com 2014-11-01 13:53:33 -07:00
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@ -32,7 +32,8 @@ A block is a container data structure that aggregates transactions for inclusion
[[block_header]] [[block_header]]
=== Block Header === Block Header
The block header consists of three sets of block metadata. First, there is a reference to a previous block hash, which connects this block to the previous block in the blockchain. The second set of metadata, namely the _difficulty_, _timestamp_, and _nonce_, relate to the mining competition, as detailed in <<mining>>. The third piece of metadata is the merkle tree root, a data structure used to efficiently summarize all the transactions in the block. The block header consists of three sets of block metadata. First, there is a reference to a previous block hash, which connects this block to the previous block in the blockchain. The second set of metadata, namely the _difficulty_, _timestamp_, and _nonce_, relate to the mining competition, as detailed in <<mining>>. The third piece of metadata is the merkle tree root, a data structure used to efficiently summarize all the transactions in the block. <<Table 7-2>> describes the structure of a block header.
[[block_header_structure_ch07]] [[block_header_structure_ch07]]
.The structure of the block header .The structure of the block header