From: Burak Keceli <burak@buraks•blog>
To: ZmnSCPxj <ZmnSCPxj@protonmail•com>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] Ark: An Alternative Privacy-preserving Second Layer Solution
Date: Wed, 24 May 2023 10:53:50 +0300 (TRT) [thread overview]
Message-ID: <29099205.1444460.1684914830367@eu1.myprofessionalmail.com> (raw)
In-Reply-To: <ApngTTvW46O8UkGVrWosWYbTPx5gBVUXL46ihSRkA1jVXNqxLtKXpA-unovlJHXFfAYxIPInJwg849K2MeDUymPqn8Mp_CeUMnK3UYiGmcQ=@protonmail.com>
> 0-conf transactions are unsafe since it is possible to double-spend the inputs they consume, invalidating the 0-conf transaction.
A future extension of Ark can potentially utilize a hypothetical data manipulation opcode (OP_XOR or OP_CAT) to constrain the ASP's nonce in their signatures to disincentivize double-spending. If a double-spend occurs in a pool transaction, users can forge ASP's signature to claim their previously redeemed vTXOs. This is effectively an inbound liquidity-like tradeoff without compromising on the protocol design.
For the time being, you have to wait for on-chain confirmations to consider a payment 'final'. However, this doesn't prevent you from paying lightning invoices with your zero-conf coins. Ark has immediate availability with delayed finality.
Best,
Burak
next prev parent reply other threads:[~2023-05-24 7:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-22 7:54 Burak Keceli
2023-05-22 13:03 ` ZmnSCPxj
2023-05-23 4:31 ` Burak Keceli
2023-05-23 22:06 ` G. Andrew Stone
2023-05-24 0:40 ` ZmnSCPxj
2023-05-24 0:45 ` ZmnSCPxj
2023-05-24 7:53 ` Burak Keceli [this message]
2023-05-24 6:28 ` Burak Keceli
2023-05-24 20:20 ` adiabat
2023-05-24 23:02 ` David A. Harding
2023-05-26 11:56 ` Burak Keceli
2023-05-27 20:36 ` David A. Harding
2023-06-07 13:30 ` Burak Keceli
2023-08-06 22:43 ` Antoine Riard
2023-05-25 12:12 Ali Sherief
2023-05-26 7:33 jk_14
2023-05-28 6:02 Ali Sherief
2023-06-07 18:20 David A. Harding
2023-06-11 9:19 moonsettler
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