Luke Dashjr [ARCHIVE] on Nostr: 📅 Original date posted:2014-06-03 📝 Original message:On Tuesday, June 03, 2014 ...
📅 Original date posted:2014-06-03
📝 Original message:On Tuesday, June 03, 2014 4:29:55 AM xor wrote:
> Hi,
>
> I thought a lot about the worst case scenario of SHA256d being broken in a
> way which could be abused to
> A) reduce the work of mining a block by some significant amount
> B) reduce the work of mining a block to zero, i.e. allow instant mining.
C) fabricate past blocks entirely.
If SHA256d is broken, Bitcoin as it is fails entirely.
Luke
Published at
2023-06-07 15:22:13Event JSON
{
"id": "572e0fc2c2232110642a24162b6f82e8532092cdbc9e6b397c32ce7bde3ea4c1",
"pubkey": "5a6d1f44482b67b5b0d30cc1e829b66a251f0dc99448377dbe3c5e0faf6c3803",
"created_at": 1686151333,
"kind": 1,
"tags": [
[
"e",
"c3178a7c4915528f303d2155708d8624269c29cc1fae2cb68cf22f7c476bad58",
"",
"root"
],
[
"e",
"dc206d136c2d9cbb67b24728471b4688c48597306ba74f230cfed7f04d992807",
"",
"reply"
],
[
"p",
"af7cc88ea10a48f7fa0f5d9577f25789ee53557a910736e58506f7d1354c1c18"
]
],
"content": "📅 Original date posted:2014-06-03\n📝 Original message:On Tuesday, June 03, 2014 4:29:55 AM xor wrote:\n\u003e Hi,\n\u003e \n\u003e I thought a lot about the worst case scenario of SHA256d being broken in a\n\u003e way which could be abused to\n\u003e A) reduce the work of mining a block by some significant amount\n\u003e B) reduce the work of mining a block to zero, i.e. allow instant mining.\n\nC) fabricate past blocks entirely.\n\nIf SHA256d is broken, Bitcoin as it is fails entirely.\n\nLuke",
"sig": "18acc36cf774e0d923675d8c70498dbbf682c8f56a297ee00993b5e0b77f4aa80edcb098ef390f157c1bf471f1d8b5a7542206e79014b81894f5b6decd177b26"
}