some hashcash advocacy

[Steve Schear]

At 4:53 PM -0700 8/8/97, Kent Crispin wrote:>I didn't read the code, but it
seems that the double spending
>protection is just local to the recipient (ie, there isn't a trusted
>central clearinghouse that checks against double spending on a global
>basis).  Thus, a spammer could calculate postage for a message, then
>send 100000 copies.

My understanding is that value of hashcash postage is imtimately involved
with receptient email address, thus mass duplication is prohibited.

--Steve