On Fri, Jul 03, 2015 at 10:17:38PM -0700, Raystonn wrote: Yeah, I was really surprised when I found out today that bitcoinj doesn't implement any of the soft-fork code. There's no excuse for not doing that frankly. :(
> <p dir="ltr">SPV clients are at risk in scenarios like this. We should > encourage them to check node versions against the minimum required for > safety. This check should be upgraded when new BIPs go into effect. It > won't help against malicious nodes. But it will help in cases such as > today's.<br> > </p> > <div class="gmail_quote">On 3 Jul 2015 8:17 pm, Gregory Maxwell > <gmaxw...@gmail.com> wrote:<br type='attribution'><blockquote > class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc > solid;padding-left:1ex"> > > > > <div> > <div>On Sat, Jul 4, 2015 at 3:11 AM, Raystonn > <raystonn@hotmail.com> wrote:<br /> > > We need some analysis on why this has happened. It appears the larger > hashrate is violating BIP66. Thus it appears the network is rejecting this > BIP, though potentially accidentally. If this is an accident, how is such a > large portion of hashrate forking, and what can we do to avoid this in the > future?<br /> > <br /> > A near majority of the hashrate on the network appears to be SPV mining.<br /> > <br /> > Btcnuggets was a non-upgraded miner that produced an invalid block<br /> > after the lock in and f2pool and antpool have been extending it.<br /> > Fortunately their extension contains no transactions (an artifact of<br /> > SPV mining). Obviously a complete understanding is going to take some<br /> > time; though I would note that this general failure mode was one we<br /> > were aware of and is part of the reason the treshold is so high.<br /> > </div> > </div> > > </blockquote></div> > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev -- 'peter'[:-1]@petertodd.org 000000000000000014870ea5d966efbae21588be363949de7cb3838f42b00e2f
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