> The purpose of this mail is asking for support for adding this rule to > the protocol rules. If there is consensus this rule is the solution, I > hope pools and miners can agree to update their nodes without lengthy > coinbase-flagging procedure that would only delay a solution. So, who > is in favor?
Looks good to me. I also second the notion that we should deploy this quickly, given that it's a bug fix. On 2/28/2012 5:48 PM, Pieter Wuille wrote: > Hello all, > > as some of you may know, a vulnerability has been found in how the > Bitcoin reference client deals with duplicate transactions. Exploiting > it is rather complex, requires some hash power, and has no financial > benefit for the attacker. Still, it's a security hole, and we'd like > to fix this as soon as possible. > > A simple way to fix this, is adding an extra protocol rule[1]: > > Do not allow blocks to contain a transaction whose hash is equal to > that of a former transaction which has not yet been completely spent. > > I've written about it in BIP30[2]. There is a patch for the reference > client, which has been tested and verified to make the attack > impossible. The change is backward compatible in the same way BIP16 > is: if a supermajority of mining power implements it, old clients can > continue to function without risk. > > The purpose of this mail is asking for support for adding this rule to > the protocol rules. If there is consensus this rule is the solution, I > hope pools and miners can agree to update their nodes without lengthy > coinbase-flagging procedure that would only delay a solution. So, who > is in favor? > > [1] https://en.bitcoin.it/wiki/Protocol_rules > [2] https://en.bitcoin.it/wiki/BIP_0030 > ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
