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Activity: 1596

Merit: 1007







LegendaryActivity: 1596Merit: 1007 Upcoming network event: block v2 lock-in March 23, 2013, 04:16:12 PM

Last edit: March 23, 2013, 04:41:45 PM by jgarzik #1



Once a supermajority (95%) of mining reaches block version 2, version 1 blocks will be rejected. Effectively, this is a network-wide upgrade. This event seems likely to occur in the next week.



Version 2 block specification:

bitcoind 0.7.2 was the first to support block v2.



Watching for the event:

"We are currently at 100 out of the latest 1000 blocks on version 1 (10.00%) and 899 out of the latest 1000 blocks on version 2 (89.90%)"



Users should not be impacted. Some ancient miners will produce newly-invalid blocks (v1), that will get ignored. The easy solution is to mine using a recent bitcoind (0.8.1 or later ideally). If you are a miner and need help upgrading to v2, ping us on #bitcoin-dev or



Particular impact might be felt in the merged-mining and 'getwork' mining communities, because they are most likely to be running ancient software that is difficult to upgrade.



Reminder:Once a supermajority (95%) of mining reaches block version 2, version 1 blocks will be rejected. Effectively, this is a network-wide upgrade. This event seems likely to occur in the next week.Version 2 block specification: https://en.bitcoin.it/wiki/BIP_0034 bitcoind 0.7.2 was the first to support block v2.Watching for the event: http://blockorigin.pfoe.be/top.php The text is at the bottom:"We are currently at 100 out of the latest 1000 blocks on version 1 (10.00%) and 899 out of the latest 1000 blocks on version 2 (89.90%)"Users should not be impacted. Some ancient miners will produce newly-invalid blocks (v1), that will get ignored. The easy solution is to mine using a recent bitcoind (0.8.1 or later ideally). If you are a miner and need help upgrading to v2, ping us on #bitcoin-dev or bitcoin-development@lists.sourceforge.net Particular impact might be felt in the merged-mining and 'getwork' mining communities, because they are most likely to be running ancient software that is difficult to upgrade. Jeff Garzik, Bloq CEO, former bitcoin core dev team; opinions are my own.

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