[hashcash] Re: Hashcash performance improvements

  • From: Adam Back <adam@xxxxxxxxxxxxxxx>
  • To: hashcash@xxxxxxxxxxxxx
  • Date: Sat, 29 May 2004 03:29:21 -0400

On Sat, May 29, 2004 at 12:03:51AM +0100, Jonathan Morton wrote:
> > This makes a slight conflict between the senders interests and the
> > receivers (hostile sender may send massive stamp which costs nothing
> > extra practially to compute).  
> 
> Since each block is 64 bytes, to saturate this capacity an attacker 
> would have to send a minimum of 64 MB/sec worth of mail to the server, 

Yes you're right.  Well forget that objective :-)

We're back to just the human readability, size tradeoff for speed.

Adam

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