From 25acab75845581c0a21e329ab0cd94c7f403118c Mon Sep 17 00:00:00 2001 From: "David A. Harding" Date: Wed, 10 Dec 2014 20:48:31 -0500 Subject: [PATCH] Clarify Tx Update To Header Hashing I/O (closes #675) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Thanks darren-a and Saïvann. --- _includes/guide_block_chain.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/_includes/guide_block_chain.md b/_includes/guide_block_chain.md index efaf0cc1..a5036542 100644 --- a/_includes/guide_block_chain.md +++ b/_includes/guide_block_chain.md @@ -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 %}