double-spending prevention w. spent coins (Re: [Lucrative-L] lucrative accounts revisited)

[Patrick]

> If there is any problem of "linkability" in this scheme, please help
me
> see it.  The server does not log any socket events or transaction
> records of any kind.  OK, if someone put a gun to my head and said
"put
> in some code to log everything" then they might be able to discern
some
> pattern like "this coin was issued to this IP address, and then three
> days later that coin was swapped from this other IP address."  OK,
that
> sounds like a potential problem, but I don't see how you can hide this
> information from the server ITSELF.  When you present a coin to the
> server, it is going to know from which IP address it came, and I don't
> see a way around that.

	Perhaps I am mistaken, but the system you describe seems to be
unlinkable-by-policy. Lucrative is unlinkable-by-mathematics.

	I believe the difference is nontrivial. 


Patrick McCuller