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From: Peter Todd <pete@petertodd•org>
To: Mark Friedenbach <mark@friedenbach•org>
Cc: Bitcoin Development <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] The relationship between Proof-of-Publication and Anti-Replay Oracles
Date: Sun, 21 Dec 2014 10:32:41 -0500	[thread overview]
Message-ID: <20141221153241.GC3927@savin.petertodd.org> (raw)
In-Reply-To: <CAOG=w-s1_VXJAKxBpMOK=B50qnHjxSe4J=vwwSfFPRz0_Cb9rA@mail.gmail.com>

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On Sun, Dec 21, 2014 at 03:11:32PM +0800, Mark Friedenbach wrote:
> On Sun, Dec 21, 2014 at 3:01 PM, Peter Todd <pete@petertodd•org> wrote:
> 
> > Right, so Freimarkets is deliberately insecure.
> >
> 
> Please define your terms, particularly what your security requirements are
> here. In the architecture we created users remain in control of their funds
> at all times, and miners have incentives to mine the host chain. So I don't
> know what insecurity you are possibly talking about, and seem unwilling to
> elaborate.

Sybil attacks leading to front-running.

You may not be aware of this, but not being able to get the best price
due to a sybil attack *is* considered to be a security issue by the
users of these systems.

> I have read your posting and engaged with you in that very thread, where I
> point out that global ordering of bids & asks is a superfluous requirement.

It's superfluous until you have real businesses actually using these
systems.

> As to front-running, there is a distinct difference between centralized
> systems where front-running is essentially theft, and a distributed block
> chain system with actual costs paid by fees captured from the spread.

Among other things, ever noticed how this incentivises people to sybil
attack the entire system? Not good.

-- 
'peter'[:-1]@petertodd.org
000000000000000012f5511833a1304a72a754df8afef26f5712438bcc40826b

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  parent reply	other threads:[~2014-12-21 15:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-12  9:05 [Bitcoin-development] Setting the record straight on Proof-of-Publication Peter Todd
2014-12-12 12:25 ` Gareth Williams
2014-12-12 17:04   ` Alex Mizrahi
     [not found]     ` <CAOG=w-v3qjG3zd_WhfFU-OGnsHZEuYvY82eL4GqcdgY6np5bvA@mail.gmail.com>
2014-12-12 17:50       ` Alex Mizrahi
2014-12-13 13:32         ` Gareth Williams
2014-12-15  4:52           ` Peter Todd
2014-12-17 11:55             ` Gareth Williams
2014-12-21  6:12               ` Peter Todd
2014-12-15  4:17         ` Peter Todd
2014-12-12 13:41 ` odinn
2014-12-12 14:17   ` Justus Ranvier
2014-12-15  4:59   ` Peter Todd
2014-12-17  1:16     ` odinn
2014-12-20 14:48 ` [Bitcoin-development] The relationship between Proof-of-Publication and Anti-Replay Oracles Peter Todd
     [not found]   ` <CAOG=w-vrHPY1aCNndmoW9QyCh9XnWyv8uZn2PyjZ6rNg2MoSSw@mail.gmail.com>
2014-12-21  5:52     ` Peter Todd
     [not found]       ` <CAOG=w-tZke--6OsqNjJhE9SOdCwdZYZM8iz1VBTFziegt9UZWw@mail.gmail.com>
2014-12-21  7:01         ` Peter Todd
     [not found]           ` <CAOG=w-s1_VXJAKxBpMOK=B50qnHjxSe4J=vwwSfFPRz0_Cb9rA@mail.gmail.com>
2014-12-21 15:32             ` Peter Todd [this message]
2014-12-21 11:25       ` Jorge Timón
2014-12-21 16:07         ` Peter Todd
2014-12-21 19:39           ` Jorge Timón
2014-12-21 10:01   ` Adam Back
2014-12-21 15:29     ` Peter Todd
2014-12-21 13:49   ` paul snow
2014-12-21 15:22     ` Peter Todd
2014-12-21 15:41       ` paul snow
2014-12-22  0:11   ` Peter Todd
2015-01-06 11:03     ` joliver
2014-12-22 20:05   ` Adam Back

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