From: Adam Ritter <aritter@gmail•com>
To: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Coinbase reallocation to discourage Finney attacks
Date: Wed, 23 Apr 2014 22:44:29 +0200 [thread overview]
Message-ID: <CAKuKjyV+FQs1goNK1uWXVg7ky4aGiROcTZ5idM3Ug2-+5bTc2w@mail.gmail.com> (raw)
In-Reply-To: <CANEZrP2t09bzmDkkWK3V2GpqEt54KhFnUQ8_u9ULMqniMaOA8Q@mail.gmail.com>
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Isn't a faster blockchain for transactions (maybe as a sidechain) solving
the problem? If there would be a safe way for 0-confirmation transactions,
the Bitcoin blockchain wouldn't even be needed.
On Wed, Apr 23, 2014 at 10:37 PM, Mike Hearn <mike@plan99•net> wrote:
> On Wed, Apr 23, 2014 at 10:24 PM, Gregory Maxwell <gmaxwell@gmail•com>wrote:
>
>> Right, this works in the Bitcoin network today absent any collusion by
>> the miners. You give one miner a transaction and you give every other
>> node you can reach another transaction.
>>
>
> Yes, but that can be fixed with double spend alerts.
>
>
>> Someone you ask to not double spend is an entirely separate matter.
>> They aren't self-selecting: you select who you trust to not make
>> double spends and there is no need for this trust to be globally
>> consistent.
>>
>
> No? It's not just your decision that matters, the receiver also has to
> trust them. They're like a dispute mediator in this regard. You can pick
> whoever you want, but that doesn't matter if the receiver doesn't recognise
> them or trust them. You have to find an overlap to make an instant trade.
>
> In practice if people have to think about this, evaluate brands etc then
> you'd get a very small number of parties because the value of global
> agreement is so high. Then it becomes hard to remove ones that have a lot
> of momentum.
>
> The censorship resistance of the block chain doesn't matter if your double
> spending partners refuse to help you spend your money (because they're
> being coerced). The censorship can just happen at a different place.
>
>
>> To stop GHash.io we would have to take away their hardware or change the
>> Bitcoin
>> protocol to make their hardware useless
>>
>
> ..... or, have a majority decide to zero out their coinbase rewards for
> blocks that double spent against dice sites. That wouldn't undo the double
> spend, but you can't do that with the multisig scheme either. All you can
> do is punish the corrupted party post-hoc, either by not using them again,
> or by "unpaying" them for the service they did not provide.
>
>
>
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next prev parent reply other threads:[~2014-04-23 20:44 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 7:55 Mike Hearn
2014-04-23 9:57 ` Andy Parkins
2014-04-23 11:07 ` Mike Hearn
2014-04-23 11:39 ` Andy Parkins
2014-04-23 11:45 ` Mike Hearn
2014-04-23 13:21 ` Andy Parkins
2014-04-23 13:31 ` Mike Hearn
2014-04-24 9:21 ` Andy Parkins
2014-04-23 12:43 ` Christophe Biocca
2014-04-23 12:51 ` Mike Hearn
2014-04-23 14:52 ` Justus Ranvier
2014-04-23 15:07 ` Mike Hearn
2014-04-23 17:19 ` Justus Ranvier
2014-04-23 17:47 ` Gavin Andresen
2014-04-23 17:49 ` Justus Ranvier
2014-04-23 17:57 ` Mike Hearn
2014-04-23 18:04 ` Justus Ranvier
2014-04-23 18:15 ` Peter Todd
2014-04-23 18:20 ` Justus Ranvier
2014-04-23 18:37 ` Mike Hearn
2014-04-23 18:49 ` Justus Ranvier
2014-04-23 19:01 ` Drak
2014-04-23 18:58 ` Tier Nolan
2014-04-23 15:04 ` Alex Mizrahi
2014-04-23 15:09 ` Mike Hearn
2014-04-23 15:38 ` Alex Mizrahi
2014-04-23 16:04 ` Christophe Biocca
2014-04-23 16:19 ` Chris Pacia
2014-04-23 16:21 ` Mike Hearn
2014-04-23 16:33 ` Kevin
2014-04-24 11:22 ` Jorge Timón
2014-04-24 11:43 ` Mike Hearn
2014-04-24 13:57 ` Jorge Timón
2014-04-24 14:28 ` Mike Hearn
2014-04-24 15:37 ` Jorge Timón
2014-04-24 17:07 ` Justus Ranvier
2014-04-25 4:31 ` Gareth Williams
2014-04-25 10:17 ` Mike Hearn
2014-04-25 13:19 ` Gareth Williams
2014-04-25 15:28 ` Mike Hearn
2014-04-26 12:15 ` Gareth Williams
2014-04-27 1:42 ` Christophe Biocca
2014-04-27 12:53 ` Gareth Williams
2014-04-27 14:31 ` Mike Hearn
2014-04-27 23:10 ` Gareth Williams
2014-04-28 21:41 ` Adam Back
2014-04-29 14:13 ` Mike Hearn
2014-04-29 14:21 ` Gregory Maxwell
2014-04-29 14:26 ` Mike Hearn
2014-04-30 13:12 ` Gareth Williams
2014-04-30 13:55 ` Mike Hearn
2014-04-30 14:31 ` Gareth Williams
2014-04-29 19:29 ` Justus Ranvier
2014-04-30 13:00 ` Gareth Williams
2014-04-30 17:06 ` Troy Benjegerdes
2014-04-30 17:13 ` Jameson Lopp
2014-04-30 14:08 ` Gareth Williams
2014-04-23 15:28 ` Peter Todd
2014-04-23 15:34 ` Kevin
2014-04-23 15:41 ` Pieter Wuille
2014-04-23 15:55 ` Peter Todd
2014-04-23 18:57 ` Gregory Maxwell
2014-04-23 19:19 ` Mike Hearn
2014-04-23 19:47 ` Gregory Maxwell
2014-04-23 19:59 ` Mike Hearn
2014-04-23 20:24 ` Gregory Maxwell
2014-04-23 20:37 ` Mike Hearn
2014-04-23 20:44 ` Adam Ritter [this message]
2014-04-23 20:51 ` Mike Hearn
2014-04-24 15:13 ` Sergio Lerner
2014-04-24 15:34 ` Mike Hearn
2014-04-23 20:53 ` Gregory Maxwell
2014-04-23 21:23 ` Tier Nolan
2014-04-23 21:39 ` Gregory Maxwell
2014-04-23 22:26 ` Tier Nolan
2014-04-24 0:55 ` Tom Harding
[not found] ` <CAKuKjyWDniyP503XSw8=tK9XQW-T58j+VD6ajXCxz=HihN93mQ@mail.gmail.com>
2014-04-24 14:52 ` [Bitcoin-development] Fwd: " Adam Ritter
2014-04-23 20:41 ` [Bitcoin-development] " Daniel Krawisz
2014-04-23 22:06 ` Alex Mizrahi
2014-04-24 7:58 ` Mike Hearn
2014-04-24 8:19 ` Gregory Maxwell
2014-04-24 8:39 ` Mike Hearn
2014-04-24 9:25 ` Gregory Maxwell
2014-04-24 9:56 ` Mike Hearn
2014-04-24 13:44 ` Peter Todd
2014-04-24 14:09 ` Mike Hearn
2014-04-24 14:47 ` Christophe Biocca
2014-04-24 15:03 ` Peter Todd
2014-04-24 16:05 ` Christophe Biocca
2014-04-24 16:14 ` Mike Hearn
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