This has been reviewed by merchants, miners and exchanges for a couple of weeks, and has been implemented and tested as part of the Bitcoin Classic and Bitcoin XT implementations.
Constructive feedback welcome; argument about whether or not it is a good idea to roll out a hard fork now will be unproductive, so I vote we don't go there. Draft BIP: https://github.com/gavinandresen/bips/blob/bump2mb/bip-bump2mb.mediawiki Summary: Increase block size limit to 2,000,000 bytes. After 75% hashpower support then 28-day grace period. With accurate sigop counting, but existing sigop limit (20,000) And a new, high limit on signature hashing Blog post walking through the code: http://gavinandresen.ninja/a-guided-tour-of-the-2mb-fork Blog post on a couple of the constants chosen: http://gavinandresen.ninja/seventyfive-twentyeight -- -- Gavin Andresen
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