📅 Original date posted:2016-05-20
📝 Original message:Matthew,
Other than gambling, do you have any specific examples of how this could be
useful?
On Fri, May 20, 2016, 20:34 Johnson Lau via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:
> Using the hash of multiple blocks does not make it any safer. The miner of
> the last block always determines the results, by knowing the hashes of all
> previous blocks.
>
>
> == Security
>
> Pay-to-script-hash can be used to protect the details of contracts that
> use OP_PRANDOM from the prying eyes of miners. However, since there is also
> a non-zero risk that a participant in a contract may attempt to bribe a
> miner the inclusion of multiple block hashes as a source of randomness is a
> must. Every miner would effectively need to be bribed to ensure control
> over the results of the random numbers, which is already very unlikely. The
> risk approaches zero as N goes up.
>
>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev at lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>
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James MacWhyte [ARCHIVE] /
npub12t…pye9h
2023-06-07 17:50:55
in reply to nevent1q…mrkt
Author Public Key
npub12tjaqer27049ejmvf0f3yd7kq6p93gg6ecavgrczge4rlzf59y5q2pye9hSeen on
wss://relay.nostr.bandPublished at
2023-06-07 17:50:55Event JSON
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"content": "📅 Original date posted:2016-05-20\n📝 Original message:Matthew,\n\nOther than gambling, do you have any specific examples of how this could be\nuseful?\n\nOn Fri, May 20, 2016, 20:34 Johnson Lau via bitcoin-dev \u003c\nbitcoin-dev at lists.linuxfoundation.org\u003e wrote:\n\n\u003e Using the hash of multiple blocks does not make it any safer. The miner of\n\u003e the last block always determines the results, by knowing the hashes of all\n\u003e previous blocks.\n\u003e\n\u003e\n\u003e == Security\n\u003e\n\u003e Pay-to-script-hash can be used to protect the details of contracts that\n\u003e use OP_PRANDOM from the prying eyes of miners. However, since there is also\n\u003e a non-zero risk that a participant in a contract may attempt to bribe a\n\u003e miner the inclusion of multiple block hashes as a source of randomness is a\n\u003e must. Every miner would effectively need to be bribed to ensure control\n\u003e over the results of the random numbers, which is already very unlikely. The\n\u003e risk approaches zero as N goes up.\n\u003e\n\u003e\n\u003e _______________________________________________\n\u003e bitcoin-dev mailing list\n\u003e bitcoin-dev at lists.linuxfoundation.org\n\u003e https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev\n\u003e\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20160520/5a5078fc/attachment.html\u003e",
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