📅 Original date posted:2018-06-19
📝 Original message:https://github.com/libbitcoin/libbitcoin/wiki/Other-Means-Principle
>> On Mon, Jun 18, 2018 at 11:39 AM Артём Литвинович via bitcoin-dev <bitcoin-dev at lists.linuxfoundation.org> wrote:
>> Dilution is a potential attack i randomly came up with in a Twitter arguement and couldn't find any references to or convincing arguments of it being implausible.
>>
>> Suppose a malicious actor were to acquire a majority of hash power, and proceed to use that hash power to produce valid, but empty blocks.
>>
>> As far as i understand it, this would effectively reduce the block rate by half or more and since nodes can't differentiate block relay and block production there would be nothing they can do to adjust difficulty or black list the attacker.
>>
>> At a rough estimate of $52 per TH equipment cost (Antminer pricing) and 12.5 BTC per 10 minutes power cost we are looking at an order of $2 billion of equipment and $0.4 billion a month of power costs (ignoring block reward) to maintain an attack - easily within means of even a minor government-scale actor.
>>
>> Is that a plausible scenario, or am i chasing a mirage? If it is plausible, what could be done to mitigate it?
>>
>>
>> -Artem
>> _______________________________________________
>> bitcoin-dev mailing list
>> bitcoin-dev at lists.linuxfoundation.org
>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
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Eric Voskuil [ARCHIVE] /
npub1sg…ppx3c
2023-06-07 18:13:20
in reply to nevent1q…htyr
Author Public Key
npub1sgs97fe0n9wehe6zw7drcxdz4cy9yt9pfqjv8gasz5jlk4zezc0quppx3cPublished at
2023-06-07 18:13:20Event JSON
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"content": "📅 Original date posted:2018-06-19\n📝 Original message:https://github.com/libbitcoin/libbitcoin/wiki/Other-Means-Principle\n\n\u003e\u003e On Mon, Jun 18, 2018 at 11:39 AM Артём Литвинович via bitcoin-dev \u003cbitcoin-dev at lists.linuxfoundation.org\u003e wrote:\n\u003e\u003e Dilution is a potential attack i randomly came up with in a Twitter arguement and couldn't find any references to or convincing arguments of it being implausible.\n\u003e\u003e \n\u003e\u003e Suppose a malicious actor were to acquire a majority of hash power, and proceed to use that hash power to produce valid, but empty blocks.\n\u003e\u003e \n\u003e\u003e As far as i understand it, this would effectively reduce the block rate by half or more and since nodes can't differentiate block relay and block production there would be nothing they can do to adjust difficulty or black list the attacker.\n\u003e\u003e \n\u003e\u003e At a rough estimate of $52 per TH equipment cost (Antminer pricing) and 12.5 BTC per 10 minutes power cost we are looking at an order of $2 billion of equipment and $0.4 billion a month of power costs (ignoring block reward) to maintain an attack - easily within means of even a minor government-scale actor.\n\u003e\u003e \n\u003e\u003e Is that a plausible scenario, or am i chasing a mirage? If it is plausible, what could be done to mitigate it?\n\u003e\u003e \n\u003e\u003e \n\u003e\u003e -Artem\n\u003e\u003e _______________________________________________\n\u003e\u003e bitcoin-dev mailing list\n\u003e\u003e bitcoin-dev at lists.linuxfoundation.org\n\u003e\u003e https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20180619/5cd952ac/attachment.html\u003e",
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