From: Peter Todd <pete@petertodd•org>
To: Antoine Riard <antoine.riard@gmail•com>
Cc: Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>,
security@ariard•me,
"lightning-dev\\\\@lists.linuxfoundation.org"
<lightning-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] OP_Expire and Coinbase-Like Behavior: Making HTLCs Safer by Letting Transactions Expire Safely
Date: Thu, 2 Nov 2023 06:26:38 +0000 [thread overview]
Message-ID: <ZUNBHsw2BldPLvPc@petertodd.org> (raw)
In-Reply-To: <CALZpt+GQ9g-uwAGYogdaJcinVHRxs4=67hML78KbramJg=davA@mail.gmail.com>
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On Thu, Nov 02, 2023 at 05:24:36AM +0000, Antoine Riard wrote:
> Hi Peter,
>
> > So, why can't we make the HTLC-preimage path expire? Traditionally, we've
> tried
> > to ensure that transactions - once valid - remain valid forever. We do
> this
> > because we don't want transactions to become impossible to mine in the
> event of
> > a large reorganization.
>
> I don't know if reverse time-lock where a lightning spending path becomes
> invalid after a block height or epoch point solves the more advanced
> replacement cycling attacks, where a malicious commitment transaction
> itself replaces out a honest commitment transaction, and the
> child-pay-for-parent of this malicious transaction is itself replaced out
> by the attacker, leading to the automatic trimming of the malicious
> commitment transaction.
To be clear, are you talking about anchor channels or non-anchor channels?
Because in anchor channels, all outputs other than the anchor outputs provided
for fee bumping can't be spent until the commitment transaction is mined, which
means RBF/CPFP isn't relevant.
--
https://petertodd.org 'peter'[:-1]@petertodd.org
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next prev parent reply other threads:[~2023-11-02 6:26 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-16 16:57 [bitcoin-dev] Full Disclosure: CVE-2023-40231 / CVE-2023-40232 / CVE-2023-40233 / CVE-2023-40234 "All your mempool are belong to us" Antoine Riard
2023-10-16 19:13 ` Peter Todd
2023-10-16 22:10 ` Matt Morehouse
2023-10-17 1:11 ` Antoine Riard
2023-10-20 10:47 ` Peter Todd
2023-10-20 11:18 ` Jochen Hoenicke
2023-10-16 22:51 ` Olaoluwa Osuntokun
2023-10-17 7:21 ` [bitcoin-dev] [Lightning-dev] " ziggie1984
2023-10-17 10:34 ` ZmnSCPxj
2023-10-17 18:34 ` Antoine Riard
2023-10-20 10:31 ` Peter Todd
2023-10-20 11:03 ` Peter Todd
2023-10-20 18:35 ` Matt Morehouse
2023-10-20 21:05 ` Matt Corallo
2023-10-21 0:15 ` Peter Todd
2023-10-21 1:03 ` Matt Corallo
2023-10-21 1:25 ` Peter Todd
2023-10-21 1:55 ` Matt Corallo
2023-10-21 2:43 ` Peter Todd
2023-10-23 16:09 ` Matt Corallo
2023-10-17 17:47 ` Antoine Riard
2023-10-17 18:47 ` Antoine Riard
2023-10-18 0:17 ` Matt Corallo
2023-10-18 2:57 ` Antoine Riard
2023-10-19 8:12 ` Bastien TEINTURIER
2023-10-19 16:23 ` Matt Morehouse
2023-10-19 17:22 ` Antoine Riard
2023-10-19 17:53 ` Matt Morehouse
2023-10-19 19:33 ` Antoine Riard
2023-10-21 0:18 ` Olaoluwa Osuntokun
2023-11-17 22:36 ` Antoine Riard
2023-10-19 18:02 ` Matt Corallo
2023-10-20 6:56 ` [bitcoin-dev] " Antoine Riard
2023-10-21 20:05 ` Antoine Riard
2023-10-27 0:43 ` Peter Todd
2023-11-02 4:46 ` Antoine Riard
2023-10-21 0:09 ` [bitcoin-dev] OP_Expire and Coinbase-Like Behavior: Making HTLCs Safer by Letting Transactions Expire Safely Peter Todd
2023-10-21 8:58 ` David A. Harding
2023-10-21 10:31 ` Peter Todd
2023-10-22 8:30 ` vjudeu
2023-10-23 11:10 ` [bitcoin-dev] [Lightning-dev] " ZmnSCPxj
2023-10-23 15:45 ` Peter Todd
2023-11-02 5:24 ` [bitcoin-dev] " Antoine Riard
2023-11-02 6:26 ` Peter Todd [this message]
2023-11-02 17:07 ` Matt Morehouse
2023-11-03 5:27 ` Antoine Riard
2023-11-03 5:25 ` Antoine Riard
2023-11-04 7:26 ` Peter Todd
2023-11-06 18:45 ` Antoine Riard
2023-11-07 11:11 ` [bitcoin-dev] [Lightning-dev] " ZmnSCPxj
2023-11-07 15:44 ` Antoine Riard
2023-11-08 0:51 ` [bitcoin-dev] " Peter Todd
2023-11-08 2:06 ` Peter Todd
2023-11-13 2:18 ` Antoine Riard
2023-11-14 19:50 ` Peter Todd
[not found] ` <CALZpt+H38cU9L8kq0mSYCDirzL39fxhdoz4pAPiS8dGJP8akKg@mail.gmail.com>
2023-11-15 17:53 ` [bitcoin-dev] Fwd: " Antoine Riard
2023-10-22 4:49 ` [bitcoin-dev] Full Disclosure: CVE-2023-40231 / CVE-2023-40232 / CVE-2023-40233 / CVE-2023-40234 "All your mempool are belong to us" Nadav Ivgi
2023-10-23 8:49 ` David A. Harding
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