[cryptography] current digital cash / anonymous payment projects?

James A. Donald jamesd at echeque.com
Thu Dec 2 18:55:32 EST 2010


Following up my own post:
> Solving the problem of secure cash is a superset of solving the problem
> of providing reasonably usable secure communications. The cash
> encryption is useless without a solution to communication problem.
>
> Security communications being defined not as reliably and privately
> communicating with a true name, but reliably and privately communicating
> with a nym - solving the "chat to possessor of private key" problem, not
> the "bind private key to true name" problem.
>
> Zooko's triangle describes a manageable user interface for the "chat to
> possessor of private key" problem.


Obviously, for anonymous payment, you do *not* want the binding to true 
names that both TLS and the web of trust attempt to provide.  This, 
however, leaves you with the UI problem of what to use in place of true 
names, hence Zooko's triangle.




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