📅 Original date posted:2015-06-19
📝 Original message:Double spend detection is by definition best-effort.
The purpose of bitcoin is to provide security (confirmations) to otherwise
insecure, possibly double spent transactions.
On Fri, Jun 19, 2015 at 2:05 PM, Frank Flores <frankf44 at gmail.com> wrote:
> Has anyone from Mycelium weighed in on this? Is their doublespend attack
> detection broken with this kind of irresponsible behavior?
>
> On Fri, Jun 19, 2015 at 3:39 PM, Matt Whitlock <bip at mattwhitlock.name>
> wrote:
>
>> On Friday, 19 June 2015, at 9:18 am, Adrian Macneil wrote:
>> > If full-RBF sees any significant adoption by miners, then it will
>> actively
>> > harm bitcoin adoption by reducing or removing the ability for online or
>> POS
>> > merchants to accept bitcoin payments at all.
>>
>> Retail POS merchants probably should not be accepting vanilla Bitcoin
>> payments, as Bitcoin alone does not (and cannot) guarantee the
>> irreversibility of a transaction until it has been buried several blocks
>> deep in the chain. Retail merchants should be requiring a co-signature from
>> a mutually trusted co-signer that vows never to sign a double-spend. The
>> reason we don't yet see such technology permeating the ecosystem is
>> because, to date, zero-conf transactions have been irreversible "enough,"
>> but this has only been a happy accident; it was never promised, and it
>> should not be relied upon.
>>
>>
>> ------------------------------------------------------------------------------
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>>
>
>
>
> --
> *MONEY IS OVER!*
> IF YOU WANT IT
> <http://www.zeitgeistmovie.com/>;
> =====================================================
> The causes of my servitude can be traced to the tyranny of money.
> -Serj Tankian
>
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
>
--
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc. https://bitpay.com/
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Jeff Garzik [ARCHIVE] /
npub1kf…f3f58
2023-06-07 15:38:58
in reply to nevent1q…e4kl
Author Public Key
npub1kf0ppcjaguxekg24yx6smgxlu73qn0k8lm0t2wrqc0scpl7u3sgsmf3f58Published at
2023-06-07 15:38:58Event JSON
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"content": "📅 Original date posted:2015-06-19\n📝 Original message:Double spend detection is by definition best-effort.\n\nThe purpose of bitcoin is to provide security (confirmations) to otherwise\ninsecure, possibly double spent transactions.\n\n\n\n\nOn Fri, Jun 19, 2015 at 2:05 PM, Frank Flores \u003cfrankf44 at gmail.com\u003e wrote:\n\n\u003e Has anyone from Mycelium weighed in on this? Is their doublespend attack\n\u003e detection broken with this kind of irresponsible behavior?\n\u003e\n\u003e On Fri, Jun 19, 2015 at 3:39 PM, Matt Whitlock \u003cbip at mattwhitlock.name\u003e\n\u003e wrote:\n\u003e\n\u003e\u003e On Friday, 19 June 2015, at 9:18 am, Adrian Macneil wrote:\n\u003e\u003e \u003e If full-RBF sees any significant adoption by miners, then it will\n\u003e\u003e actively\n\u003e\u003e \u003e harm bitcoin adoption by reducing or removing the ability for online or\n\u003e\u003e POS\n\u003e\u003e \u003e merchants to accept bitcoin payments at all.\n\u003e\u003e\n\u003e\u003e Retail POS merchants probably should not be accepting vanilla Bitcoin\n\u003e\u003e payments, as Bitcoin alone does not (and cannot) guarantee the\n\u003e\u003e irreversibility of a transaction until it has been buried several blocks\n\u003e\u003e deep in the chain. Retail merchants should be requiring a co-signature from\n\u003e\u003e a mutually trusted co-signer that vows never to sign a double-spend. The\n\u003e\u003e reason we don't yet see such technology permeating the ecosystem is\n\u003e\u003e because, to date, zero-conf transactions have been irreversible \"enough,\"\n\u003e\u003e but this has only been a happy accident; it was never promised, and it\n\u003e\u003e should not be relied upon.\n\u003e\u003e\n\u003e\u003e\n\u003e\u003e ------------------------------------------------------------------------------\n\u003e\u003e _______________________________________________\n\u003e\u003e Bitcoin-development mailing list\n\u003e\u003e Bitcoin-development at lists.sourceforge.net\n\u003e\u003e https://lists.sourceforge.net/lists/listinfo/bitcoin-development\n\u003e\u003e\n\u003e\n\u003e\n\u003e\n\u003e --\n\u003e *MONEY IS OVER!*\n\u003e IF YOU WANT IT\n\u003e \u003chttp://www.zeitgeistmovie.com/\u003e\n\u003e =====================================================\n\u003e The causes of my servitude can be traced to the tyranny of money.\n\u003e -Serj Tankian\n\u003e\n\u003e\n\u003e ------------------------------------------------------------------------------\n\u003e\n\u003e _______________________________________________\n\u003e Bitcoin-development mailing list\n\u003e Bitcoin-development at lists.sourceforge.net\n\u003e https://lists.sourceforge.net/lists/listinfo/bitcoin-development\n\u003e\n\u003e\n\n\n-- \nJeff Garzik\nBitcoin core developer and open source evangelist\nBitPay, Inc. https://bitpay.com/\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20150619/a36b7617/attachment.html\u003e",
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