Russell O'Connor [ARCHIVE] on Nostr: 📅 Original date posted:2017-05-22 📝 Original message:On May 22, 2017 23:05, ...
📅 Original date posted:2017-05-22
📝 Original message:On May 22, 2017 23:05, "Peter Todd" <pete at petertodd.org> wrote:
On Mon, May 22, 2017 at 03:05:49AM -0400, Russell O'Connor via bitcoin-dev
wrote:
> MerkleRoot := SHA256(SHA256(LeftRoot ⋅ RightRoot))
> sha256Compress : Word256 × Word512 -> Word256
To be clear, what math operations do you mean by "⋅" and "×"?
By "⋅", I usually mean concatenation (though I also use it for function
composition in one instance). By "×", I mean the Cartesian product.
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Published at
2023-06-07 18:01:36Event JSON
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"content": "📅 Original date posted:2017-05-22\n📝 Original message:On May 22, 2017 23:05, \"Peter Todd\" \u003cpete at petertodd.org\u003e wrote:\n\nOn Mon, May 22, 2017 at 03:05:49AM -0400, Russell O'Connor via bitcoin-dev\nwrote:\n\u003e MerkleRoot := SHA256(SHA256(LeftRoot ⋅ RightRoot))\n\u003e sha256Compress : Word256 × Word512 -\u003e Word256\n\nTo be clear, what math operations do you mean by \"⋅\" and \"×\"?\n\n\nBy \"⋅\", I usually mean concatenation (though I also use it for function\ncomposition in one instance). By \"×\", I mean the Cartesian product.\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20170522/cdef9d9f/attachment.html\u003e",
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