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author | Tom Harding <tomh@thinlink.com> | 2014-04-23 15:29:33 -0700 |
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committer | bitcoindev <bitcoindev@gnusha.org> | 2014-04-23 22:30:06 +0000 |
commit | 83ae7abcc5cd2ed5741fedfbbadba9b9a649d25e (patch) | |
tree | c98de65a0967a158e97c3d5ffc4e5234db614ee5 | |
parent | c22ce1d377f9c7dfd77bcce5918c8ccc01d44f8c (diff) | |
download | pi-bitcoindev-83ae7abcc5cd2ed5741fedfbbadba9b9a649d25e.tar.gz pi-bitcoindev-83ae7abcc5cd2ed5741fedfbbadba9b9a649d25e.zip |
Re: [Bitcoin-development] Double-spending unconfirmed transactions is a lot easier than most people realise
-rw-r--r-- | 29/c9123a25c160a0cd5bfe7d6e809a4d26e2380e | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/29/c9123a25c160a0cd5bfe7d6e809a4d26e2380e b/29/c9123a25c160a0cd5bfe7d6e809a4d26e2380e new file mode 100644 index 000000000..ef9b3fa89 --- /dev/null +++ b/29/c9123a25c160a0cd5bfe7d6e809a4d26e2380e @@ -0,0 +1,92 @@ +Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] + helo=mx.sourceforge.net) + by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <tomh@thinlink.com>) id 1Wd5g6-0002Pj-TT + for bitcoin-development@lists.sourceforge.net; + Wed, 23 Apr 2014 22:30:06 +0000 +X-ACL-Warn: +Received: from mail-pb0-f42.google.com ([209.85.160.42]) + by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) + (Exim 4.76) id 1Wd5g6-0000ql-1P + for bitcoin-development@lists.sourceforge.net; + Wed, 23 Apr 2014 22:30:06 +0000 +Received: by mail-pb0-f42.google.com with SMTP id un15so1231925pbc.29 + for <bitcoin-development@lists.sourceforge.net>; + Wed, 23 Apr 2014 15:30:00 -0700 (PDT) +X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; + d=1e100.net; s=20130820; + h=x-gm-message-state:message-id:date:from:user-agent:mime-version:cc + :subject:references:in-reply-to:content-type + :content-transfer-encoding; + bh=z5nLq/kobM7jCSU4fu0J/QIhieT303r9asggV62A+xo=; + b=Wcm77BGn4bRVULk7Fny1mVR2E4a1lwlfYxhdlgh8SdjljwpoqjohLBKM/DNTgHCl0A + okhd1ruUbePu386LeXmDOg5hrYqdDRPmfJUV7MwCYNJL+RGjTTlJXmBcGiaBnLzsTUsv + +5P77rniIBUnkZiXfll6/ai8Zrf2U67SBv8kjrgZ0t4U3CBUJ6YozqcNl5y3bg0t9oa4 + BYM2U/fS62xAP7vmgYpPG76rofd46cx5hT8Sz9Dlxqfake23pz4j1A28GxfUfb9HOl01 + 0K7MextWpCm4cyoHt/T/0TTNYDNtoVItap1aHn3Lv6GxAe1xYZe+UJ9myGDLQesg56gN + RVNg== +X-Gm-Message-State: ALoCoQmMBs27U2ByHeJXkjrtBSK/6HiJ52GnZPUDs105ECLmmIWw++v+NXYdByfl+Zw2iFPWAFpc +X-Received: by 10.67.8.102 with SMTP id dj6mr46755608pad.10.1398292199967; + Wed, 23 Apr 2014 15:29:59 -0700 (PDT) +Received: from [10.100.1.239] ([204.58.254.99]) + by mx.google.com with ESMTPSA id de5sm4742091pbc.66.2014.04.23.15.29.58 + for <bitcoin-development@lists.sourceforge.net> + (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); + Wed, 23 Apr 2014 15:29:59 -0700 (PDT) +Message-ID: <53583ECD.5000105@thinlink.com> +Date: Wed, 23 Apr 2014 15:29:33 -0700 +From: Tom Harding <tomh@thinlink.com> +User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; + rv:24.0) Gecko/20100101 Thunderbird/24.4.0 +MIME-Version: 1.0 +CC: bitcoin-development@lists.sourceforge.net +References: <20140422213128.GB2578@savin> <53574581.3040004@thinlink.com> + <1533579.cuHiT41BQ7@crushinator> +In-Reply-To: <1533579.cuHiT41BQ7@crushinator> +Content-Type: text/plain; charset=ISO-8859-1; format=flowed +Content-Transfer-Encoding: 7bit +X-Spam-Score: 1.8 (+) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + 0.6 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server + [204.58.254.99 listed in dnsbl.sorbs.net] + 1.2 MISSING_HEADERS Missing To: header +X-Headers-End: 1Wd5g6-0000ql-1P +Subject: Re: [Bitcoin-development] Double-spending unconfirmed transactions + is a lot easier than most people realise +X-BeenThere: bitcoin-development@lists.sourceforge.net +X-Mailman-Version: 2.1.9 +Precedence: list +List-Id: <bitcoin-development.lists.sourceforge.net> +List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> +List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> +List-Post: <mailto:bitcoin-development@lists.sourceforge.net> +List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> +List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> +X-List-Received-Date: Wed, 23 Apr 2014 22:30:07 -0000 + +On 4/22/2014 9:03 PM, Matt Whitlock wrote: +> On Tuesday, 22 April 2014, at 8:45 pm, Tom Harding wrote: +>> A network where transaction submitters consider their (final) +>> transactions to be unchangeable the moment they are transmitted, and +>> where the network's goal is to confirm only transactions all of whose +>> UTXO's have not yet been seen in a final transaction's input, has a +>> chance to be such a network. +> Respectfully, this is not the goal of miners. The goal of miners is to maximize profits. Always will be. If they can do that by enabling replace-by-fee (and they can), then they will. Altruism does not factor into business. + +The rational miner works hard digging hashes out of the ether, and wants +the reward to be great. How much more valuable would his reward be if +he were paid in something that is spendable like cash on a 1-minute +network for coffee and other innumerable real-time transactions, versus +something that is only spendable on a 15-minute network? + +There is a prisoner's dilemma, to be sure, but do the fees from helping +people successfully double-spend their coffee supplier really outweigh +the increased value to the entire network - including himself - of +ensuring that digital cash actually works like cash? + + + + |