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Date: Tue, 10 Jan 2023 05:06:22 -0500
From: Peter Todd <pete@petertodd.org>
To: "David A. Harding" <dave@dtrt.org>
Message-ID: <Y704non5DD5mtxs1@petertodd.org>
References: <Y7ySzDjzx5eDjOH9@petertodd.org>
<aaaeda2950e61127a3218c523927a0d8@dtrt.org>
<Y70mNHsX4JcKYZyi@petertodd.org>
<6089e1f0140684435bf5e87b0c13d561@dtrt.org>
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Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Why Full-RBF Makes DoS Attacks on Multiparty
Protocols Significantly More Expensive
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On Tue, Jan 10, 2023 at 12:02:35AM -1000, David A. Harding wrote:
> On 2023-01-09 22:47, Peter Todd wrote:
> > How do you propose that the participants learn about the double-spend?
> > Without
> > knowing that it happened, they can't respond as you suggested.
>=20
> I can think of various ways---many of them probably the same ideas that
> would occur to you.
Rather than playing games, how about you actually list those ways.
> More concise than listing them is to just assume
> they exist and realize that any protocol software which wants to defeat
> the $17.00 pinning attack needs to implement some sort of conflict
> monitoring system---but by using that monitoring system to defeat the
> $17.00 pinning attack, the software also defeats the $0.05 individual
> conflicting input attack without any need for full-RBF.
Remember, we'd like decentralized coinjoin implementations like Joinmarket =
to
work. How does a decentralized coinjoin implement "conflict monitoring"?
--=20
https://petertodd.org 'peter'[:-1]@petertodd.org
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