diff options
| author | Matt Whitlock <bip@mattwhitlock.name> | 2015-08-28 17:15:40 -0400 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2015-08-28 21:15:42 +0000 |
| commit | ef475b2a06b4b2cbdcb122168b653bc7518eb099 (patch) | |
| tree | 94a739b88b720e3638a8b9f51cd16a53a0d5b2b1 | |
| parent | 743149a3c276ad8276c68e9ae55115241a90053d (diff) | |
| download | pi-bitcoindev-ef475b2a06b4b2cbdcb122168b653bc7518eb099.tar.gz pi-bitcoindev-ef475b2a06b4b2cbdcb122168b653bc7518eb099.zip | |
Re: [bitcoin-dev] Consensus based block size retargeting algorithm (draft)
| -rw-r--r-- | 5e/d24328425f3bf9773e09183db9cbbd5b1c9d65 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/5e/d24328425f3bf9773e09183db9cbbd5b1c9d65 b/5e/d24328425f3bf9773e09183db9cbbd5b1c9d65 new file mode 100644 index 000000000..607615a1f --- /dev/null +++ b/5e/d24328425f3bf9773e09183db9cbbd5b1c9d65 @@ -0,0 +1,90 @@ +Return-Path: <bip@mattwhitlock.name> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id E40A6D91 + for <bitcoin-dev@lists.linuxfoundation.org>; + Fri, 28 Aug 2015 21:15:42 +0000 (UTC) +X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 +Received: from resqmta-ch2-08v.sys.comcast.net + (resqmta-ch2-08v.sys.comcast.net [69.252.207.40]) + by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 5FD59221 + for <bitcoin-dev@lists.linuxfoundation.org>; + Fri, 28 Aug 2015 21:15:42 +0000 (UTC) +Received: from resomta-ch2-18v.sys.comcast.net ([69.252.207.114]) + by resqmta-ch2-08v.sys.comcast.net with comcast + id AMFK1r0062Udklx01MFhWP; Fri, 28 Aug 2015 21:15:41 +0000 +Received: from crushinator.localnet + ([IPv6:2601:186:c000:825e:e9f4:8901:87c7:24a0]) + by resomta-ch2-18v.sys.comcast.net with comcast + id AMFg1r00G4eLRLv01MFh2m; Fri, 28 Aug 2015 21:15:41 +0000 +From: Matt Whitlock <bip@mattwhitlock.name> +To: bitcoin-dev@lists.linuxfoundation.org, Btc Drak <btcdrak@gmail.com> +Date: Fri, 28 Aug 2015 17:15:40 -0400 +Message-ID: <2081355.cHxjDEpgpW@crushinator> +User-Agent: KMail/4.14.10 (Linux/4.0.5-gentoo; KDE/4.14.11; x86_64; ; ) +In-Reply-To: <CADJgMzvkBDBD9_=53kaD_6_jWH=vbWOnNwOKK5GOz8Du-F08dQ@mail.gmail.com> +References: <CADJgMzvWKA79NHE2uFy1wb-zL3sjC5huspQcaDczxTqD_7gXOg@mail.gmail.com> + <CADr=VrQR6rYK4sJJsDpUdFJaWZqhv=AkMqcG64EhsOCg1tDxVg@mail.gmail.com> + <CADJgMzvkBDBD9_=53kaD_6_jWH=vbWOnNwOKK5GOz8Du-F08dQ@mail.gmail.com> +MIME-Version: 1.0 +Content-Transfer-Encoding: quoted-printable +Content-Type: text/plain; charset="utf-8" +DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; + s=q20140121; t=1440796541; + bh=/zZw0VOIqPWCI9Js2e3jtIFZH/bRKNJnTj+hnVqfuX8=; + h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: + Content-Type; + b=wp1BvSlNkMQv6l+zWnDYoLRDdgMyXNL6+gOqq5xWO26iXSCdMPXpzk7jI4uHRjZUc + tnBNkA51pKdbR3+tk5pY3oPHhZdjgiRFSCG/YkIVSkdC1EMhGaYFb3FF5riipwGaLw + Szetyi3Ta7NEmDHffjJwJ6rAHe3rCIIl5Fwk+auMMEnWtl8v32M++F7QQGaL4MI2do + EsCewim04vB0UVNd4Cd9J0EIxWMeEZh/ScxpxxMXTKXHrwCAAOq9vIRdeUfszkZaRi + AW0iMRBvMmCTzYCT20mumierBSTILUT85IzF8EMTuJ0LDwxiqaQhCcEhFEwQ4s83rC + c71qpP2mzyY5g== +X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, + DKIM_VALID,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 +Subject: Re: [bitcoin-dev] Consensus based block size retargeting algorithm + (draft) +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +Precedence: list +List-Id: Bitcoin Development 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: Fri, 28 Aug 2015 21:15:43 -0000 + +This is the best proposal I've seen yet. Allow me to summarize: + +=E2=80=A2 It addresses the problem, in Jeff Garzik's BIP 100, of miners= + selling their block-size votes. +=E2=80=A2 It addresses the problem, in Gavin Andresen's BIP 101, of bli= +ndly trying to predict future market needs versus future technological = +capacities. +=E2=80=A2 It avoids a large step discontinuity in the block-size limit = +by starting with a 1-MB limit. +=E2=80=A2 It throttles changes to =C2=B110% every 2016 blocks. +=E2=80=A2 It imposes a tangible cost (higher difficulty) on miners who = +vote to raise the block-size limit. +=E2=80=A2 It avoids incentivizing miners to vote to lower the block-siz= +e limit. + +However, this proposal currently fails to answer a very important quest= +ion: + +=E2=80=A2 What is the mechanism for activation of the new consensus rul= +e? It is when a certain percentage of the blocks mined in a 2016-block = +retargeting period contain valid block-size votes? + + +https://github.com/btcdrak/bips/blob/bip-cbbsra/bip-cbbrsa.mediawiki + + +On Friday, 28 August 2015, at 9:28 pm, Btc Drak via bitcoin-dev wrote: +> Pull request: https://github.com/bitcoin/bips/pull/187 + |