📅 Original date posted:2021-05-15
📝 Original message:On Sat, 2021-05-15 at 12:21 +0200, vjudeu via bitcoin-dev wrote:
> All that is needed is producing a signature matching the sum of the
> public keys used in taproot, which is "(a+b-a)*G",
This is simply not true.
Taproot does not enable this, or any other form of "cross-input
aggregation", i.e., spending multiple UTXOs with a single signature.
Tim
Tim Ruffing [ARCHIVE] /
npub1cm…dwkls
2023-06-07 22:53:36
in reply to nevent1q…6y27
Author Public Key
npub1cmt6gqyfw3sdngkq0wadtpe3kmgyyeld6ad0g2h5tar3kpzcrmpqddwklsPublished at
2023-06-07 22:53:36Event JSON
{
"id": "31d1097d4d08d5a02e11260c3cc0f08073fc61cb4836538e94280cfa7d7b3a61",
"pubkey": "c6d7a400897460d9a2c07bbad58731b6d04267edd75af42af45f471b04581ec2",
"created_at": 1686178416,
"kind": 1,
"tags": [
[
"e",
"e74498ee529b2b84d2ef2c40bb63f1994cc2169342c25a226bfe93c9597cc2e8",
"",
"root"
],
[
"e",
"37ef6cbad5d2c2da96937aa9ef62bddd0ee1940974069b3a6561f420cfaddbf8",
"",
"reply"
],
[
"p",
"d984ab5821a89fe36a833387a442d06971374de052be63faabd45b7d739f813c"
]
],
"content": "📅 Original date posted:2021-05-15\n📝 Original message:On Sat, 2021-05-15 at 12:21 +0200, vjudeu via bitcoin-dev wrote:\n\n\n\u003e All that is needed is producing a signature matching the sum of the\n\u003e public keys used in taproot, which is \"(a+b-a)*G\", \n\nThis is simply not true.\n\nTaproot does not enable this, or any other form of \"cross-input\naggregation\", i.e., spending multiple UTXOs with a single signature. \n\n\nTim",
"sig": "df451cf630b5598e1978d2a6d209acf08a30c6e704cac3888fe80493635af6a0ed6591970301f4dcfc13e875e78010f4bbf1d922012c85ae91d45228667c1a41"
}