diff options
| author | alicexbt <alicexbt@protonmail.com> | 2023-05-22 12:51:22 +0000 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2023-05-22 12:51:39 +0000 |
| commit | 2c82ee213f762423c224d3dc374ff74819b2ef95 (patch) | |
| tree | 16440992994213edfc0bce9b4c0e9c721c470e66 | |
| parent | 105924613ceaac2504f7beef5321005a09ba48d4 (diff) | |
| download | pi-bitcoindev-2c82ee213f762423c224d3dc374ff74819b2ef95.tar.gz pi-bitcoindev-2c82ee213f762423c224d3dc374ff74819b2ef95.zip | |
[bitcoin-dev] Coinjoin with less steps using ALL|ANYONECANPAY
| -rw-r--r-- | 9b/f0645da5b13078f06f1c1f7118c26c055d7688 | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/9b/f0645da5b13078f06f1c1f7118c26c055d7688 b/9b/f0645da5b13078f06f1c1f7118c26c055d7688 new file mode 100644 index 000000000..b5994efbf --- /dev/null +++ b/9b/f0645da5b13078f06f1c1f7118c26c055d7688 @@ -0,0 +1,93 @@ +Return-Path: <alicexbt@protonmail.com> +Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) + by lists.linuxfoundation.org (Postfix) with ESMTP id CD701C002A + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 22 May 2023 12:51:39 +0000 (UTC) +Received: from localhost (localhost [127.0.0.1]) + by smtp1.osuosl.org (Postfix) with ESMTP id A290283B01 + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 22 May 2023 12:51:39 +0000 (UTC) +DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org A290283B01 +Authentication-Results: smtp1.osuosl.org; + dkim=pass (2048-bit key) header.d=protonmail.com header.i=@protonmail.com + header.a=rsa-sha256 header.s=protonmail3 header.b=RcG0c4V6 +X-Virus-Scanned: amavisd-new at osuosl.org +X-Spam-Flag: NO +X-Spam-Score: -0.103 +X-Spam-Level: +X-Spam-Status: No, score=-0.103 tagged_above=-999 required=5 + tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, + DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, + PDS_OTHER_BAD_TLD=1.999, RCVD_IN_MSPIKE_H2=-0.001, + SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=no autolearn_force=no +Received: from smtp1.osuosl.org ([127.0.0.1]) + by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id TCkg4SRNaZSF + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 22 May 2023 12:51:39 +0000 (UTC) +X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 +DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org E328583385 +Received: from mail-4324.protonmail.ch (mail-4324.protonmail.ch [185.70.43.24]) + by smtp1.osuosl.org (Postfix) with ESMTPS id E328583385 + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 22 May 2023 12:51:37 +0000 (UTC) +Date: Mon, 22 May 2023 12:51:22 +0000 +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; + s=protonmail3; t=1684759894; x=1685019094; + bh=SmdvzMx0/Jycn9JMQ/gY5vgTBsvi9XRs34GLTCAOrl8=; + h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: + Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; + b=RcG0c4V6FAUJaeN3IELqZEArzwut56PeGdplkWy4bOIUFeddNTJTTMo7w46WUvrup + 1lXgyUlkdXMdfLT+smgzqevHyiW5pfEnl8Qx288e8sGjF4PKN7IDwSW4S3adFRGBd2 + C9X73m5z1ByDJJp8Bcxe3SHbMAqzuoPjCQgsSfqWgnpWzrlWkz9guF+t+rkJSn2Hen + deO5fR0lGRSBoh1oBqd8POAWGsFPA7XM21F4/QxVVcsD7WIEfF86w97hCFL6T316Cd + EVpnyxc+ZK70CDg9ACnamr/QBNQUHasB97ahfV4mpmQJQ3YtEI/QfIFMO8FpOK0UHF + MJ+g0Pe6yDIzg== +To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org> +From: alicexbt <alicexbt@protonmail.com> +Message-ID: <EWAXAmgFlZ8XQJOYO8VTH7Zj0tTAftwy-ylaGvf3Giealz1FFb97CbcxjP0q-Zu85XoAzOG0ivdYIKa_kG77ooHqBvCP7YOZOkb6yHmX75s=@protonmail.com> +Feedback-ID: 40602938:user:proton +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: quoted-printable +X-Mailman-Approved-At: Mon, 22 May 2023 22:12:08 +0000 +Subject: [bitcoin-dev] Coinjoin with less steps using ALL|ANYONECANPAY +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.15 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Mon, 22 May 2023 12:51:39 -0000 + +Hi Bitcoin Developers, + +I recently experimented with different sighash flags, PSBTs and realized AL= +L|ANYONECANPAY could be used to reduce some steps in coinjoin. + +Steps: + +- Register outputs. +- One user creates a signed PSBT with 1 input, all registered outputs and A= +LL|ANYONECANPAY sighash flag. Other participants keep adding their inputs t= +o PSBT. +- Finalize and broadcast the transaction. + +Proof of Concept (Aice and Bob):=C2=A0https://gitlab.com/-/snippets/2542297 + +Tx: https://mempool.space/testnet/tx/c6dd626591dca7e25bbd516f01b23171eb0f2b= +623471fcf8e073c87c1179c492 + +I plan to use this in joinstr if there are no major drawbacks and it can ev= +en be implemented by other coinjoin implementations.=20 + +/dev/fd0 +floppy disk guy + +Sent with Proton Mail secure email. + |