From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 5E2EE412 for ; Wed, 10 Aug 2016 07:50:29 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 9F4E08C for ; Wed, 10 Aug 2016 07:50:28 +0000 (UTC) Received: by mail-wm0-f67.google.com with SMTP id i138so7851534wmf.3 for ; Wed, 10 Aug 2016 00:50:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=A8eW2ldLfCoNEX46Tg7hTCelnmsqPHh1rkf7YbD0oWE=; b=sIBgLd9VjaNWVWUzJROkf8euWYjcXzkwsOBTTKq3fSTJP2EjSFDB/owAj8eXiPAJrG lAXag0B2ODS8g4k6WJN0mCSq0kkbO4MiE1fZfcgVZHmZ04fBN/XY2XKsgfG0s/7fHwTf 4rHRMlHZiuCyeGxIItKdpL2A2subiuEHWKPaZ7l5Dn/fNKbNadfCM0izbID8PhMiKJHR sCMf4CTTsDD1chlsBFFgp0OguO09taftVwm8RT7UAKYupUNQp2hEIcx3ya9EpWMLvULN 5FgoXg3cTAn2A2Q+n+9iJHr1N/4k3ZKPitizHxnAEvptEy8HzOx9ijwtMzGaZuurTRNV biNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=A8eW2ldLfCoNEX46Tg7hTCelnmsqPHh1rkf7YbD0oWE=; b=jFcxz8aPTiuP37HHMOt2idYt2E4W+acoRwfnu+GpfEqRbdQS9uvQuPYmLrfo9T2zi1 GlmSIyC1QIRIbNYu3imxKfjZYX4w+DL/nSXsFHD4vaLe/axDJ2d6A5LYuXleeJ9hfvr2 zfj5+CCyElimfA7IKEyuw1fAbsZZWR5d2NKmr1UTxsKM6pUcISKXm+Vwk0T8zLMgVZnF UCOoZffv0gSkA45hOoDYrqYMp6OJHBaxk7nwJshmlyUKtbOIF20jP/mK4swR5KUa12LL c765ykZ72WklWIOsuy1wclxVOl5jLqEDvfo7vFopYrTmbuGmil0xwzSXf2x7OxyYkYg/ xuoQ== X-Gm-Message-State: AEkooutFs/q1wSbqIl2W/1pX96/6goUl5fK57ulgo37GAZ1gLvHWXiPuL2CS9gQr9C9BMdLeCm5HBIlbLBMAHA== X-Received: by 10.194.127.163 with SMTP id nh3mr2502814wjb.74.1470815426562; Wed, 10 Aug 2016 00:50:26 -0700 (PDT) MIME-Version: 1.0 Received: by 10.194.100.161 with HTTP; Wed, 10 Aug 2016 00:50:25 -0700 (PDT) In-Reply-To: References: <20160808154707.GB2196@banane.informatik.uni-ulm.de> <20160808215354.GA1373@fedora-21-dvm> From: Tony Churyumoff Date: Wed, 10 Aug 2016 10:50:25 +0300 Message-ID: To: Bitcoin Protocol Discussion Content-Type: text/plain; charset=UTF-8 X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM, 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 X-Mailman-Approved-At: Wed, 10 Aug 2016 14:53:25 +0000 Subject: [bitcoin-dev] Fwd: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Aug 2016 07:50:29 -0000 > The OP's proposal sounds quite similar to my earlier one along similar lines: > > https://petertodd.org/2016/closed-seal-sets-and-truth-lists-for-privacy Similar indeed, thank you for the link. 2016-08-09 0:53 GMT+03:00 Peter Todd : > > On Mon, Aug 08, 2016 at 09:41:27PM +0000, James MacWhyte via bitcoin-dev wrote: > > 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 connected > > 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 may > be better ways to do it). > > The OP's proposal sounds quite similar to my earlier one along similar lines: > > https://petertodd.org/2016/closed-seal-sets-and-truth-lists-for-privacy > > -- > https://petertodd.org 'peter'[:-1]@petertodd.org