Thread: haha

http://www.hashcash.org/faq/

What does hashcash do?
Hashcash comes in the form of plugin software for mailers which adds hashcash stamps to sent email.

The hashcash plugin software inserts a X-Hashcash: header into the email headers section of the email the user sends. The following is an example of an email addressed to me with a hashcash stamp in the email headers:
this is stupid. posting stamps doesn't work for everything you know HAHAA

From: Someone <test@test.invalid>
To: Adam Back <adam@cypherspace.org>
Subject: test hashcash
Date: Thu, 26 Jun 2003 11:59:59 +0000
X-Hashcash: 0:030626:adam@cypherspace.org:6470e06d773e05a8

blah blah

-Someone


What stops a spammer using hashcash?
Spammers can use hashcash too, however hashcash is bad news for spammers because the hashcash stamp takes your CPU some work to compute. To you as a normal user, with an entry level desktop or laptop class machine the CPU overhead per mail is negligible because you don't send that many mails; at worst your mail is delayed a few seconds before being sent on slow old hardware. However to spammers this is a show-stopper: they want to send 10,000+ emails per minute down a DSL line bought with a stolen credit card quick before the account gets cancelled.


But won't spammers steal CPU time?

...etc etc etc

]



However to spammers this is a show-stopper: they want to send 10,000+ emails per minute down a DSL line bought with a stolen credit card quick before the account gets cancelled.


ahh the good ol days. aol must have stolen his brain he wants to md5 time stamp everything......

mmmmm spammers using his method to send mail rather using an rfc ... hahaha god i'm a loser.

what is the #9 mean . I see it alot