Feedback-ID: i525146e8:Fastmail
Date: Fri, 13 Jan 2023 18:46:58 -0500
From: Peter Todd <pete@petertodd.org>
To: alicexbt <alicexbt@protonmail.com>,
 Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Message-ID: <Y8HtctIz35tnOjlm@petertodd.org>
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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 05:10:37PM +0000, alicexbt via bitcoin-dev wrote:
> Hi Peter,
>=20
> > Bringing up Whirlpool here is silly. Everyone knows Samourai has made, =
at best,
> > some rather insane technical decisions. Quite likely downright maliciou=
s with
> > their xpub collection. Their opinion isn't relevant. Cite reputable sou=
rces.
>=20
> I didn't want this thread to become a wasabi vs samourai debate instead w=
anted to focus on full-rbf and how it affects different coinjoin implementa=
tions. Samourai wallet can be used with [dojo][0] that includes full node a=
nd Whirlpool can be used in [sparrow Wallet][1] as well. There are several =
reasons to not use wasabi and consider their opinion irrelevant. Wasabi has=
 many privacy issues including address reuse and consolidation in a coinjoi=
n tx.

Lol, the "address reuse" thing I actually mentioned in my email. Avoiding
address reuse from user errors like loading the same seed into different
wallets isn't realistic, and it has no real impact on other users.

No reasonable person things Samourai's default option of uploading xpubs is
sane. The debate here is over and arguing otherwise is just wasting everyon=
e's
time on this mailing list.

> They completely lost their reputation after deciding to work with chain a=
nalysis firms that help governments for censorship of some UTXOs.

Citation on them working with chain analysis firms? Or did they just roll t=
heir
own blacklist?

Anyway, the blacklisting is just a bit of cowardness. That's not a big deal.
Lots of Bitcoin entitites have done the cowardly thing and implemented
blacklists on the suggestion of their lawyers.  We're probably better off i=
f we
don't set the bar so high that while you're risking jail time implementing
coinjoin, we demand you to take even more risks by not implementing some mo=
stly
symbolic blacklists that affect hardly anyone.

--=20
https://petertodd.org 'peter'[:-1]@petertodd.org

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