š
Original date posted:2017-05-27
š Original message:On Mon, May 22, 2017 at 06:32:38PM -0400, Russell O'Connor wrote:
> 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 ā
RightRoot))
> > sha256Compress : Word256 Ć Word512 -> Word256
>
> To be clear, what math operations do you mean by "ā
" and "Ć"?
>
>
> By "ā
", I usually mean concatenation (though I also use it for function
> composition in one instance). By "Ć", I mean the Cartesian product.
Cartesian product can mean a lot of things.
What specifically do you mean by "cartesian product" here?
--
https://petertodd.org 'peter'[:-1]@petertodd.org
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Peter Todd [ARCHIVE] /
npub1m2ā¦a2np2
2023-06-07 18:01:36
in reply to nevent1qā¦6w05
Author Public Key
npub1m230cem2yh3mtdzkg32qhj73uytgkyg5ylxsu083n3tpjnajxx4qqa2np2Published at
2023-06-07 18:01:36Event JSON
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Original date posted:2017-05-27\nš Original message:On Mon, May 22, 2017 at 06:32:38PM -0400, Russell O'Connor wrote:\n\u003e On May 22, 2017 23:05, \"Peter Todd\" \u003cpete at petertodd.org\u003e wrote:\n\u003e \n\u003e On Mon, May 22, 2017 at 03:05:49AM -0400, Russell O'Connor via bitcoin-dev\n\u003e wrote:\n\u003e \u003e MerkleRoot := SHA256(SHA256(LeftRoot ā
RightRoot))\n\u003e \u003e sha256Compress : Word256 Ć Word512 -\u003e Word256\n\u003e \n\u003e To be clear, what math operations do you mean by \"ā
\" and \"Ć\"?\n\u003e \n\u003e \n\u003e By \"ā
\", I usually mean concatenation (though I also use it for function\n\u003e composition in one instance). By \"Ć\", I mean the Cartesian product.\n\nCartesian product can mean a lot of things.\n\nWhat specifically do you mean by \"cartesian product\" here?\n\n-- \nhttps://petertodd.org 'peter'[:-1]@petertodd.org\n-------------- next part --------------\nA non-text attachment was scrubbed...\nName: signature.asc\nType: application/pgp-signature\nSize: 455 bytes\nDesc: Digital signature\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20170527/37b53732/attachment.sig\u003e",
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