Re: authentication & cash

Stefan Karrmann <[email protected]>:

> How should anonymous mail work in im2k?

by using an anonymizer?  such a message would cease to be an im2000
messages, but users would propably not expect to contract anything
anonymously ...

> In hashcash you have to spend some CPU cycles to get a collision of
> k bits in n bits after applying a well known hash algorithm like
> SHA.  You don't have to run a suspicious program. If the receiver
> wants cash that you are not willing to pay, the message will not be
> delivered and im2k should inform you explicitly about this.

to me this sounds like an empty loop on steroids.  what is this used
for?

  clemens