📅 Original date posted:2012-07-24
📝 Original message:> That'd be 7 bytes of nonce in the block header, which is
> 72,057,594,037,927,936 ~ 72 petahashes = 72,000 terahashes
>
> So: the changes for version 2 blocks would be "has height in the
> coinbase, and has a 1-byte version number with a 3-byte extranonce."
I don't understand why more nonce bits are necessary. Is it really
impossible for a multi-core CPU to keep up with the merkle root
re-calculation and keep an ASIC miner fed, or is this working around a
performance bottleneck somewhere else?
Mike Hearn [ARCHIVE] /
npub17t…4qgyd
2023-06-07 10:24:20
in reply to nevent1q…395t
Author Public Key
npub17ty4mumkv43w8wtt0xsz2jypck0gvw0j8xrcg6tpea25z2nh7meqf4qgydPublished at
2023-06-07 10:24:20Event JSON
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"content": "📅 Original date posted:2012-07-24\n📝 Original message:\u003e That'd be 7 bytes of nonce in the block header, which is\n\u003e 72,057,594,037,927,936 ~ 72 petahashes = 72,000 terahashes\n\u003e\n\u003e So: the changes for version 2 blocks would be \"has height in the\n\u003e coinbase, and has a 1-byte version number with a 3-byte extranonce.\"\n\nI don't understand why more nonce bits are necessary. Is it really\nimpossible for a multi-core CPU to keep up with the merkle root\nre-calculation and keep an ASIC miner fed, or is this working around a\nperformance bottleneck somewhere else?",
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