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 0F2E0C0D for ; Fri, 14 Apr 2017 19:33:51 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-oi0-f48.google.com (mail-oi0-f48.google.com [209.85.218.48]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id A428B178 for ; Fri, 14 Apr 2017 19:33:50 +0000 (UTC) Received: by mail-oi0-f48.google.com with SMTP id x184so11491726oia.1 for ; Fri, 14 Apr 2017 12:33:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=BlzFt2cVjBzRdN2BRCakh+Y73b6a0slXdJd/OjpQpdA=; b=KieGjtOrVEgBF5/2amWvLN+EdgFht6jwPrPyhTmgljrEq0V+hbUEXC5+mkHcehbzFe qn8yEbUXlmQD7HF1Xqa8bZy/usyfguKfFeIMWyLnV5Bef7/T+TBVNJZa5TKkzFUYfLVZ mAV/3JSYOU8Yg3KMyNCq7ahwluk54VsNZVilCXt1nj0nNS0XM/G0MkeDmzc25klYri4V xTsYEmjJ9oLft8kCA7AMHKlCe7GX/MO4uwNpD3g3y/IRTVLx1yxGTTjczo3V+lkUrltD +Kwss6jxPOkccgJd/MuaG5U6bgk1+si88ikQfYG3Ploloj83oCf6NO64SC0Dhl6R4XN1 0YvQ== 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:cc; bh=BlzFt2cVjBzRdN2BRCakh+Y73b6a0slXdJd/OjpQpdA=; b=uiN8IBuhjshCJu9BN3bOfKAwXqF9tEJEdJbBTnqNIL4uzbEEanSQsrZ0HHGb1MMjO8 iV5Jj9UyCrlqpBM2UMwxkognFyhPVTbgSAa/ZDKrCL481MqBhnE5b5ccPpTgiNCDCBnD 4JkHzCv6TR2eMdjbdl3sysq+ap241H9W5oREL0Wf0MtmFwv4fZqGmmHRyH94kAHskVEe jWTooICcQqi7yGIVEQC7gbfgEj4i4i5RoZpFAnj0UFSwECgqH7btIZmhkJXLUdwvcbZI Q535d+X459ApORGdUCSXOcO24Ipwo9hcZIAN9dGuXQBSchiiNDEO9NrEnRRaylbJmMQH pq+A== X-Gm-Message-State: AN3rC/7g24JIrGpQxDJG9R/azft+BIoWtFSDNppSBE4WbvaMVr3AKW0m z3VoeEmteaZ5ZzEPs+gVbbKW91fLpSufqyk= X-Received: by 10.157.49.102 with SMTP id v35mr6983759otd.232.1492198429978; Fri, 14 Apr 2017 12:33:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.182.116.74 with HTTP; Fri, 14 Apr 2017 12:33:49 -0700 (PDT) In-Reply-To: <1521038.c5zslb6dar@cherry> References: <1521038.c5zslb6dar@cherry> From: James Hilliard Date: Fri, 14 Apr 2017 14:33:49 -0500 Message-ID: To: Tom Zander Content-Type: text/plain; charset=UTF-8 X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] I do not support the BIP 148 UASF 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, 14 Apr 2017 19:33:51 -0000 On Fri, Apr 14, 2017 at 2:20 PM, Tom Zander via bitcoin-dev wrote: > On Friday, 14 April 2017 09:56:31 CEST Gregory Maxwell via bitcoin-dev > wrote: >> Segwit was carefully engineered so that older unmodified miners could >> continue operating _completely_ without interruption after segwit >> activates. > > >> They [Older nodes] can >> upgrade to it [segwit] on their own schedule. The only risk >> non-participating >> miners take after segwit activation is that if someone else mines an >> invalid block they would extend it, > > This is false, > > a segwit transaction to the miner you describe is an "everyone can spend" > transaction, and as such a miner that does not validate the segregated area > in a post-segwit world will be able to create blocks that will not validate > for segwit miners by including a transaction that spends a SW tx. > > This would then lead to a chain-fork as the SW miners reject it and the non- > SW miners continue to mine on it. This is false, Those "everyone can spend" transactions are prohibited from being mined due to policy rules. The risk is only in regards to mining on top of an invalid block that intentionally mined an invalid SW transaction. > > > -- > Tom Zander > Blog: https://zander.github.io > Vlog: https://vimeo.com/channels/tomscryptochannel > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev