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| author | Peter Todd <pete@petertodd.org> | 2016-08-08 14:53:54 -0700 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2016-08-08 21:54:13 +0000 |
| commit | cff3999de6fd43cae5b35e63570cfce4655d5c47 (patch) | |
| tree | cc5e14aba50aabe8a3ea29249ca1468105a75412 | |
| parent | 4fc5e4665d7e1f7bf3caaf011318269416a2a8aa (diff) | |
| download | pi-bitcoindev-cff3999de6fd43cae5b35e63570cfce4655d5c47.tar.gz pi-bitcoindev-cff3999de6fd43cae5b35e63570cfce4655d5c47.zip | |
Re: [bitcoin-dev] Hiding entire content of on-chain transactions
| -rw-r--r-- | 33/c023baa895b9c1e40b3ca72969e66ddaefa556 | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/33/c023baa895b9c1e40b3ca72969e66ddaefa556 b/33/c023baa895b9c1e40b3ca72969e66ddaefa556 new file mode 100644 index 000000000..8fbc09b40 --- /dev/null +++ b/33/c023baa895b9c1e40b3ca72969e66ddaefa556 @@ -0,0 +1,124 @@ +Return-Path: <pete@petertodd.org> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id 8CDCD92 + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 8 Aug 2016 21:54:13 +0000 (UTC) +X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 +Received: from outmail148114.authsmtp.net (outmail148114.authsmtp.net + [62.13.148.114]) + by smtp1.linuxfoundation.org (Postfix) with ESMTP id F296F183 + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 8 Aug 2016 21:54:12 +0000 (UTC) +Received: from mail-c232.authsmtp.com (mail-c232.authsmtp.com [62.13.128.232]) + by punt20.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u78LsAZm020677; + Mon, 8 Aug 2016 22:54:10 +0100 (BST) +Received: from petertodd.org (ec2-52-5-185-120.compute-1.amazonaws.com + [52.5.185.120]) (authenticated bits=0) + by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id u78Ls8MZ037906 + (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); + Mon, 8 Aug 2016 22:54:09 +0100 (BST) +Received: from [127.0.0.1] (localhost [127.0.0.1]) + by petertodd.org (Postfix) with ESMTPSA id 2122840104; + Mon, 8 Aug 2016 21:51:13 +0000 (UTC) +Received: by localhost (Postfix, from userid 1000) + id E7D272054D; Mon, 8 Aug 2016 14:53:54 -0700 (PDT) +Date: Mon, 8 Aug 2016 14:53:54 -0700 +From: Peter Todd <pete@petertodd.org> +To: James MacWhyte <macwhyte@gmail.com>, + Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org> +Message-ID: <20160808215354.GA1373@fedora-21-dvm> +References: <CAL3p6zpADtYFQnQUr3Efk6V59+K+bB3tPQQMGT9weiafU=43zA@mail.gmail.com> + <20160808154707.GB2196@banane.informatik.uni-ulm.de> + <CAL3p6zo1xBEu90MDHSK4TNX0DL2QXxq5vC48a2cFnX0JCD=RvQ@mail.gmail.com> + <CAH+Axy6yJ3WotKjsMjo3o23V5Du1nniu8Bzd3gxYX5OuqeB6gw@mail.gmail.com> +MIME-Version: 1.0 +Content-Type: multipart/signed; micalg=pgp-sha256; + protocol="application/pgp-signature"; boundary="XsQoSWH+UP9D9v3l" +Content-Disposition: inline +In-Reply-To: <CAH+Axy6yJ3WotKjsMjo3o23V5Du1nniu8Bzd3gxYX5OuqeB6gw@mail.gmail.com> +User-Agent: Mutt/1.5.23 (2014-03-12) +X-Server-Quench: a2fd4c54-5db2-11e6-829e-00151795d556 +X-AuthReport-Spam: If SPAM / abuse - report it at: + http://www.authsmtp.com/abuse +X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR + bwdMdgoUGUATAgsB AmAbWVZeVVl7WGM7 bghPaBtcak9QXgdq + T0pMXVMcUQJgfV8J e3QeUR57dwMIeXp2 ZkYsD3INCEApcEJg + RxoGF3AHZDJmdWgd WRVFdwNVdQJNdxoR b1V5GhFYa3VsNCMk + FAgyOXU9MCtqYARU TgALIhofR1oKBDN0 TBcEATgpAQUCSW00 + KVktKlcdGg4NKEw0 KlIqRVMfNQR6 +X-Authentic-SMTP: 61633532353630.1037:706 +X-AuthFastPath: 0 (Was 255) +X-AuthSMTP-Origin: 52.5.185.120/25 +X-AuthVirus-Status: No virus detected - but ensure you scan with your own + anti-virus system. +X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW + autolearn=ham version=3.3.1 +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + smtp1.linux-foundation.org +Cc: Tony Churyumoff <tony991@gmail.com> +Subject: Re: [bitcoin-dev] Hiding entire content of on-chain transactions +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +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, 08 Aug 2016 21:54:13 -0000 + + +--XsQoSWH+UP9D9v3l +Content-Type: text/plain; charset=us-ascii +Content-Disposition: inline +Content-Transfer-Encoding: quoted-printable + +On Mon, Aug 08, 2016 at 09:41:27PM +0000, James MacWhyte via bitcoin-dev wr= +ote: +> Wouldn't you lose the ability to assume transactions in the blockchain are +> verified as valid, since miners can't see the details of what is being +> spent and how? I feel like this ability is bitcoin's greatest asset, and = +by +> removing it you're creating an altcoin different enough to not be connect= +ed +> to/supported by the main bitcoin project. + +The fact that miners verify transactions is just an optimisation: + + https://petertodd.org/2013/disentangling-crypto-coin-mining + +Preventing double-spending however is a fundemental requirement of Bitcoin,= + and +this proposal does prevent double-spending perfectly well (although there m= +ay +be better ways to do it). + +The OP's proposal sounds quite similar to my earlier one along similar line= +s: + + https://petertodd.org/2016/closed-seal-sets-and-truth-lists-for-privacy + +--=20 +https://petertodd.org 'peter'[:-1]@petertodd.org + +--XsQoSWH+UP9D9v3l +Content-Type: application/pgp-signature; name="signature.asc" +Content-Description: Digital signature + +-----BEGIN PGP SIGNATURE----- + +iQEcBAEBCAAGBQJXqP9wAAoJEGOZARBE6K+y2TIH+QH5uRYXazHr2p2wtT2dcwQD +RRrCZbyr4pwuzCOJRKjrdKF1UJAz/Ui05FZbmE7ZgGIiSuC2pAdUmRQ71JYlq+Z1 +Z7UxhbG8pVJHaOXykeRpEkFUFOA5QD/MeE4TAKjVhicQo/i6/bZrl9KmDTqwvuTY +2077FJYaZe8dWtVB6N6fxdsNstgodvxs6aAFByv72vrlIr4r+2zhTUa/dBefR/zw +OYABAtNqAqNV6Ih86pHUL90Zipo2mS4UYtkk/0NkN2mlRCjSqOFV491MBawcx5ea +6h1RRhE5/YvgzsFmxKM2RJs04C1PLEWLkQAw9dGBK8fZbCDKW03/9pCjQrlSiGg= +=wjii +-----END PGP SIGNATURE----- + +--XsQoSWH+UP9D9v3l-- + |