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From: Tom Harding <tomh@thinlink.com>
To: Christophe Biocca <christophe.biocca@gmail.com>
Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] A statistical consensus rule for reducing 0-conf double-spend risk
Date: Tue, 06 May 2014 10:49:05 -0700	[thread overview]
Message-ID: <53692091.5040003@thinlink.com> (raw)
In-Reply-To: <CANOOu=_tpqz8wdDGj9x_xT5QcT=CHRbr+5Cewj5xuZyJ+ZurNw@mail.gmail.com>

Christophe Biocca wrote:

> it becomes trivial with a few tries to split the network into two
> halves: (tx1 before tx2, tx2 before tx1).

"before" implies T=0.  That is a much too optimistic choice for T; 50% 
of nodes would misidentify the respend.


> Tom Harding <tomh@thinlink.com> wrote:
>>    - Eventually, node adds a consensus rule:
>>       Do not accept blocks containing a transaction tx2 where
>>           - tx2 respends an output spent by another locally accepted
>> transaction tx1, and
>>           - timestamp(tx2) - timestamp(tx1) > T




  reply	other threads:[~2014-05-06 17:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-04  0:29 [Bitcoin-development] A statistical consensus rule for reducing 0-conf double-spend risk Tom Harding
2014-05-04  2:54 ` Christophe Biocca
2014-05-06 17:49   ` Tom Harding [this message]
2014-05-12  4:41   ` Tom Harding
2014-05-12 13:04     ` Tom Harding

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