Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 7EAFE93E for ; Fri, 7 Apr 2017 18:52:23 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C930F136 for ; Fri, 7 Apr 2017 18:52:22 +0000 (UTC) Received: by mail-wm0-f45.google.com with SMTP id o81so50616690wmb.1 for ; Fri, 07 Apr 2017 11:52:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thinlink-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=iBt83WA6kiHVQkwxljWG5Mqe87/JdGyFm8SWkZh4z5A=; b=d55/YvzOUsuCgwhbvPQvrFGNuWGjRe37mCfNRTBggSpCB7ZoyTTEiY8s2pQ6G9MTQS 4kg4CKJKlr3nZmhdDCLCc9n9AZBfqxbeKWYFimH8pXPfoRMsFp9C6+gS36P/SupWLEgP P6cUWntAHbmSjmN66kuSg6ZaALxCJmOe7pNdokOK9DxWhPJwLOQ2tryRVyMCz7OClGch hzUxeVno7uKjekMCHtgBwXB6UjJkEAqzZLkz7NSBnLhqz2UwP8+F/wx716uyx6rJRSFX RSKzx/XB6pUH1R9tOgEYLbSP9D7N/ucWLFEvnKu2OeTKsu8TvVJbmaGzQ3TlvMzxYqdK 69yA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=iBt83WA6kiHVQkwxljWG5Mqe87/JdGyFm8SWkZh4z5A=; b=FFgiJins+ziJ01O/ojG62OVInJOprNrrzSuMK12kdR30Ng0FWDeVLYNIKEmzNaG2vA VBYUnuTZLlpKUlE4ybmWudYk+iGYtq27sWNxYQpz/ncFMdGfjnYsNvpkBG2wHDo/rw5J UcF5huexyXyBKAEuEeYvbNLUMR6Uu2KajpD0/0AsStA4Tgw0U2cFWOyzU1ESEBByfbtc 9Q+WbEL7T7GdJyMX9gW/HiZKgHTk2IU4SdSbW0LH8DYJbPN/N9RbUD3/EnJmVjKaK1XS fWVGbXQW92qfZP8ZSB3OZ40gf3lmNLRkXl8B9BtyxgphHJ/rn3L8HvfQVs2iKmziREFb bYNA== X-Gm-Message-State: AN3rC/6vl1bUbp4Daap6qHvQyqYXPVbpUXqYXwHbw+OqsXn0Nim4y1QG n/xl++I71mbqn5z89JBIBP7IS1njcg79 X-Received: by 10.28.20.202 with SMTP id 193mr669515wmu.43.1491591141328; Fri, 07 Apr 2017 11:52:21 -0700 (PDT) MIME-Version: 1.0 Received: by 10.28.15.80 with HTTP; Fri, 7 Apr 2017 11:52:20 -0700 (PDT) Received: by 10.28.15.80 with HTTP; Fri, 7 Apr 2017 11:52:20 -0700 (PDT) In-Reply-To: <1491528547.734012.936970328.62366FA5@webmail.messagingengine.com> References: <1491516747.3791700.936828232.69F82904@webmail.messagingengine.com> <1491526132.723002.936945760.06A943C6@webmail.messagingengine.com> <1491528547.734012.936970328.62366FA5@webmail.messagingengine.com> From: Tom Harding Date: Fri, 7 Apr 2017 11:52:20 -0700 Message-ID: To: Tomas , Bitcoin Dev Content-Type: multipart/alternative; boundary=001a11469056212660054c98203c X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HTML_MESSAGE, RCVD_IN_DNSWL_NONE 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: Fri, 07 Apr 2017 19:10:26 +0000 Subject: Re: [bitcoin-dev] Using a storage engine without UTXO-index 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: Fri, 07 Apr 2017 18:52:23 -0000 --001a11469056212660054c98203c Content-Type: text/plain; charset=UTF-8 On Apr 6, 2017 6:31 PM, "Tomas via bitcoin-dev" < bitcoin-dev@lists.linuxfoundation.org> wrote: Bitcrust just uses a *transaction-index*, where outputs can be looked up regardless of being spent. A network in which many nodes maintain a transaction index also enables a class of light node applications that ask peers to prove existence and spentness of TXO's. --001a11469056212660054c98203c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Apr 6, 2017 6:31 PM, "Tomas via bitcoin-dev" <bitcoin-dev@lists.linuxfounda= tion.org> wrote:

Bitcrust just uses a *transaction-index*= , where outputs can be looked up regardless of being spent.


A network in which many nodes maintain a transaction index al= so enables a class of light node applications that ask peers to prove exist= ence and spentness of TXO's.


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