Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 8B2561A04 for ; Tue, 29 Sep 2015 17:55:03 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-io0-f172.google.com (mail-io0-f172.google.com [209.85.223.172]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id F417AEC for ; Tue, 29 Sep 2015 17:55:02 +0000 (UTC) Received: by ioii196 with SMTP id i196so19647508ioi.3 for ; Tue, 29 Sep 2015 10:55:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=AQD0OyFnF8VkqaOSolzRjfUg9rF/pbqabReztP/MaR8=; b=TJKR7kvfexkt+rL51YkUcP3X99cG98+rLvpBeEKnSl9BojfD+a5apxJONRcLqc2uQP gPMCvNksjOzQc2Ic2R8dEt+hLSYOHyCNyT1KMfs2HLq93HV06emNACaFbaETaVR1a62e jpmAlXfwHbvlzSOwkOpn2jq8TAoD9j4GVd9Frcht4OgW94holkv33ns+nMoewrMB5LPT u1lKMjE5yfZVXnbGdOlwsKPCKbFF/utOrxmKHNlOt5aruVPhhQAbiqCRP/GW5r8fXaSI RwhsAeINscs6+XYXKVwLvhAOy+Ac29AcDDmOnsNNDMdspKl07/4L8o6HKXATlv4uxvU8 yixg== MIME-Version: 1.0 X-Received: by 10.107.40.12 with SMTP id o12mr27435257ioo.84.1443549302485; Tue, 29 Sep 2015 10:55:02 -0700 (PDT) Received: by 10.79.69.135 with HTTP; Tue, 29 Sep 2015 10:55:02 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Sep 2015 12:55:02 -0500 Message-ID: From: Allen Piscitello To: Mike Hearn Content-Type: multipart/alternative; boundary=001a1141d15063f8d80520e683e5 X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,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 Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] Is it possible for there to be two chains after a hard fork? X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Development Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Sep 2015 17:55:03 -0000 --001a1141d15063f8d80520e683e5 Content-Type: text/plain; charset=UTF-8 >A dishonest miner majority can commit fraud against you, they can mine only empty blocks, they can do various other things that render your money worthless. Mining empty blocks is not fraud. If you want to use terms like "honest miners" and "fraud", please define them so we can at least be on the same page. I am defining an honest miner as one that follows the rules of the protocol. Obviously your definition is different. On Tue, Sep 29, 2015 at 12:51 PM, Mike Hearn wrote: > >because Bitcoin's basic security assumption is that a supermajority of >> miners are 'honest.' >> >> Only if you rely on SPV. >> > > No, you rely on miners honesty even if you run a full node. This is in the > white paper. A dishonest miner majority can commit fraud against you, they > can mine only empty blocks, they can do various other things that render > your money worthless. > --001a1141d15063f8d80520e683e5 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
>A dishonest miner maj= ority can commit fraud against you, they can mine only empty blocks, they c= an do various other things that render your money worthless.

Mining empty blocks is not fraud.

I= f you want to use terms like "honest miners" and "fraud"= ;, please define them so we can at least be on the same page.
<= div>
I am defining an honest miner as one that follows the rule= s of the protocol.=C2=A0 Obviously your definition is different.

On Tue, S= ep 29, 2015 at 12:51 PM, Mike Hearn <hearn@vinumeris.com> = wrote:
>= because Bitcoin's basic securit= y assumption is that a supermajority of miners are 'honest.'=

Only if you rely on SPV.
<= /blockquote>

No, you rely on miners honesty even = if you run a full node. This is in the white paper. A dishonest miner major= ity can commit fraud against you, they can mine only empty blocks, they can= do various other things that render your money worthless.

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