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PipeNet 1.1 and b-money

I don't know if this was supposed to have gone to Bugtraq, or it came to me
because I 'visited' their "snoop server" acoupla times.  If you already rec'd
the original, then "Never Mind".

>Date: Thu, 26 Nov 1998 15:33:49 -0800
>From: Wei Dai <[email protected]>
>To: [email protected]
>Cc: [email protected]
>Subject: PipeNet 1.1 and b-money
>Sender: [email protected]
>I've discovered some attacks against the original PipeNet design. The new
>protocol, PipeNet 1.1, should fix the weaknesses. PipeNet 1.1 uses layered
>sequence numbers and MACs. This prevents a collusion between a receiver
>and a subset of switches from tracing the caller by modifying or swaping
>packets and then watching for garbage.
>A description of PipeNet 1.1 is available at
>Also available there is a description of b-money, a new protocol for
>monetary exchange and contract enforcement for pseudonyms. 
>Please direct all follow-up discussion of these protocols to cypherpunks.