Re: Bitcoin P2P e-cash paper

2008-11-13 Thread Satoshi Nakamoto
James A. Donald wrote: > It is not sufficient that everyone knows X. We also > need everyone to know that everyone knows X, and that > everyone knows that everyone knows that everyone knows X > - which, as in the Byzantine Generals problem, is the > classic hard problem of distributed data processi

Re: Bitcoin P2P e-cash paper

2008-11-13 Thread "Hal Finney"
James A. Donald writes: > Satoshi Nakamoto wrote: > > When there are multiple double-spent versions of the > > same transaction, one and only one will become valid. > > That is not the question I am asking. > > It is not trust that worries me, it is how it is > possible to have a a globally shar

Re: Bitcoin P2P e-cash paper

2008-11-13 Thread James A. Donald
Satoshi Nakamoto wrote: > When there are multiple double-spent versions of the > same transaction, one and only one will become valid. That is not the question I am asking. It is not trust that worries me, it is how it is possible to have a a globally shared view even if everyone is well behave