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
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 shared view
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 processing.
