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Clarify Tx Update To Header Hashing I/O (closes #675)

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Thanks darren-a and Saïvann.
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David A. Harding 2014-12-10 20:48:31 -05:00
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6
_includes/guide_block_chain.md
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@ -139,8 +139,10 @@ transaction history (although, it should be noted, that even less than 50% of th
The block header provides several easy-to-modify fields, such as a
dedicated nonce field, so obtaining new hashes doesn't require waiting
for new transactions. Also, only the 80-byte block header is hashed for
proof-of-work, so adding more bytes of transaction data to
a block does not slow down hashing with extra I/O.
proof-of-work, so including a large volume of transaction data in
a block does not slow down hashing with extra I/O, and adding additional
transaction data only requires the recalculation of the ancestor hashes in
the merkle tree.
{% endautocrossref %}