Subject: Re: [bitcoin-dev] Playing with full-rbf peers for fun and L2s security

From: Peter Todd <[email-masked]>
Date: Mon, 27 Jun 2022 09:46:46 -0400

On June 27, 2022 8:03:38 AM EDT, Greg Sanders <[email-masked]> wrote:
>One key difference seems to be that properly punishing someone based on
>mempool behavior seems much more difficult. As we all know there is no "the
>mempool".

No, that's not relevant here: the DoS condition is the existence of a (mined) double spend for a given txout used in a coin join. That condition is entirely under the control of the wallet, and can be totally avoided by the wallet regardless of mempool behavior.