Return-Path: <jeanpaulkogelman@me.com> Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 9FF67727 for <bitcoin-dev@lists.linuxfoundation.org>; Fri, 24 Jul 2015 01:26:03 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from st11p02im-asmtp002.me.com (st11p02im-asmtp002.me.com [17.172.220.114]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 03F2012A for <bitcoin-dev@lists.linuxfoundation.org>; Fri, 24 Jul 2015 01:26:02 +0000 (UTC) Received: from [10.52.6.2] (unknown [101.78.135.131]) by st11p02im-asmtp002.me.com (Oracle Communications Messaging Server 7.0.5.35.0 64bit (built Mar 31 2015)) with ESMTPSA id <0NRY007EQXBAEG20@st11p02im-asmtp002.me.com> for bitcoin-dev@lists.linuxfoundation.org; Fri, 24 Jul 2015 01:26:02 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-07-24_01:2015-07-22, 2015-07-23, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=7.0.1-1412110000 definitions=main-1507240017 Sun-Java-System-SMTP-Warning: Lines longer than SMTP allows found and wrapped. Content-type: text/plain; charset=gb2312 MIME-version: 1.0 (1.0) From: Jean-Paul Kogelman <jeanpaulkogelman@me.com> X-Mailer: iPhone Mail (12H143) In-reply-to: <B8F9DE4B-A8AA-490D-991B-11C28B2AA527@gmail.com> Date: Fri, 24 Jul 2015 09:25:57 +0800 Content-transfer-encoding: quoted-printable Message-id: <D7EE14EC-B36D-43F2-8CEC-B63443FBBCA8@me.com> References: <CAPg+sBgs-ouEMu=LOVCmOyCGwfM1Ygxooz0shyvAuHDGGZYfJw@mail.gmail.com> <CABm2gDq3JyZx0QCRDbcNSLSOBKdpi4h_7VN1XL8N42U38+eBAA@mail.gmail.com> <55B113AF.40500@thinlink.com> <CABsx9T1MTc-GmuQyFN1vaFK=CDWV_L214Pi9nR6jLMouQQD0fw@mail.gmail.com> <C5A70F53-4779-457A-A06A-686877706F89@gmail.com> <CADL_X_exckh5T2BfzPEp26fPR3TD69QarwroDEdS_9wtnKbf+g@mail.gmail.com> <6F436293-9E2B-461C-B105-FC4CF9EBFC69@gmail.com> <CADL_X_fs3-Zj-9nHu5HXCS=kNFUTJkrUR_8SL+d+M4ziwB66Jw@mail.gmail.com> <CABm2gDqFe+_g5Mk=tXCD94x74pu6SiL+XHhMM-T3bBw78m3Mow@mail.gmail.com> <D161F6BB-BFB1-4B9F-B024-D60A170F393C@gmail.com> <CALqmWPC8PdSPS3chhnjBaTixrvvg0VrEaXzd3OvbXifkMs0DUw@mail.gmail.com> <42BF7FEB-320F-43BE-B3D9-1D76CB8B9975@gmai> <l.com@mac.com> <D472C05D-7164-4ED1-B571-94415AD8E60F@gmail.com> <346D4CE0-E00D-4ABB-B131-EFA1416CB20C@me.com> <29363BE6-72A7-4D06-A974-C52BA12FD8BD@gmail.com> <55FFBC8F-A3C9-4109-89C7-AC359FBBD478@me.com> <4734381C-2000-4D9B-9099-DDE3D38D64A3@me.com> <DEF9C610-2FBC-40C1-9AFA-9E91903C7F96@petertodd.org> <DFA3CCE4-52F7-4D63-8982-2EB133AB6EAA@me.com> <B8F9DE4B-A8AA-490D-991B-11C28B2AA527@gmail.com> To: Eric Lombrozo <elombrozo@gmail.com> X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00,MIME_QP_LONG_LINE, RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Jean-Paul Kogelman via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> Subject: Re: [bitcoin-dev] Bitcoin Core and hard forks 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, 24 Jul 2015 01:26:03 -0000 I think implicit QoS is far simpler to implement, requires less parties and i= s closer to what Bitcoin started out as: a peer-to-peer digital cash system,= not a peer-to-let-me-handle-that-for-you-to-peer system. jp > On Jul 24, 2015, at 9:08 AM, Eric Lombrozo <elombrozo@gmail.com> wrote: >=20 > By using third parties separate from individual miners that do bidding on y= our behalf you get a mechanism that allows QoS guarantees and shifting the c= omplexity and risk from the wallet with little computational resources to a s= ervice with abundance of them. Using timelocked contracts it=A1=AFs possible= to enforce the guarantees. >=20 > Negotiating directly with miners via smart contracts seems difficult at be= st. >=20 >=20 >> On Jul 23, 2015, at 6:03 PM, Jean-Paul Kogelman via bitcoin-dev <bitcoin-= dev@lists.linuxfoundation.org> wrote: >>=20 >> Doesn't matter. >>=20 >> It's not going to be perfect given the block time variance among other fa= ctors but it's far more workable than guessing whether or not your transacti= on is going to end up in a block at all. >>=20 >> jp >>=20 >>=20 >>> On Jul 24, 2015, at 8:53 AM, Peter Todd <pete@petertodd.org> wrote: >>>=20 >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA256 >>>=20 >>>=20 >>>=20 >>>> On 23 July 2015 20:49:20 GMT-04:00, Jean-Paul Kogelman via bitcoin-dev <= bitcoin-dev@lists.linuxfoundation.org> wrote: >>>>=20 >>>> And it's obvious how a size cap would interfere with such a QoS scheme.= >>>> Miners wouldn't be able to deliver the below guarantees if they have to= >>>> start excluding transactions. >>>=20 >>> As mining is a random, poisson process, obviously giving guarantees with= out a majority of hashing power isn't possible. >>>=20 >>>=20 >>> -----BEGIN PGP SIGNATURE----- >>>=20 >>> iQE9BAEBCAAnIBxQZXRlciBUb2RkIDxwZXRlQHBldGVydG9kZC5vcmc+BQJVsYyK >>> AAoJEMCF8hzn9Lnc47AH/28WlecQLb37CiJpcvXO9tC4zqYEodurtB9nBHTSJrug >>> VIEXZW53pSTdd3vv2qpGIlHxuYP8QmDSATztwQLuN6XWEszz7TO8MXBfLxKqZyGu >>> i83WqSGjMAfwqjl0xR1G7PJgt4+E+0vaAFZc98vLCgZnedbiXRVtTGjhofG1jjTc >>> DFMwMZHP0eqWTwtWwqUvnA7PTFHxdqoJruY/t1KceN+JDbBCJWMxBDswU64FXcVH >>> 0ecsk9nhLMyylBX/2v4HjCXyayocH8jQ+FpLSP0xxERyS+f1npFX9cxFMq24uXqn >>> PcnZfLfaSJ6gMbmhbYG5wYDKN3u732j7dLzSJnMW6jk=3D >>> =3DLY1+ >>> -----END PGP SIGNATURE----- >> _______________________________________________ >> bitcoin-dev mailing list >> bitcoin-dev@lists.linuxfoundation.org >> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >=20