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42 lines
1.4 KiB
42 lines
1.4 KiB
<pre>
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BIP: 102
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Title: Block size increase to 2MB
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Author: Jeff Garzik <jgarzik@gmail.com>
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Status: Draft
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Type: Standards Track
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Created: 2015-06-23
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</pre>
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==Abstract==
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Simple, one-time increase in total amount of transaction data permitted in a block from 1MB to 2MB.
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==Motivation==
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# Enable network growth.
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# Continue current economic policy of low fee pressure on average.
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# Exercise network upgrade procedure.
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==Specification==
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# Maximum block size permitted to be valid is 1MB.
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# Increase this maximum to 2MB as soon as 75% of the last 1,000 blocks have signaled support.
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# Increase maximum block sigops by similar factor, preserving SIZE/50 formula.
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==Backward compatibility==
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Older clients are not compatible with this change. The first block exceeding 1,000,000 bytes will partition older clients off the new network.
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==Discussion==
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In the short term, an increase is needed to continue to facilitate
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network growth, and buy time for more comprehensive solutions to be
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developed. This continues the current economic policies with regards to
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fees, matching market expectations and preventing market disruption.
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In the long term, continued direct management of this limit is a moral hazard that clouds free market input and prevents a healthy fee market from developing. This area of code should be transitioned away from direct management.
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==Implementation==
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https://github.com/jgarzik/bitcoin/tree/2015_2mb_blocksize
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