Tom Harding [ARCHIVE] on Nostr: 📅 Original date posted:2017-03-16 📝 Original message:On 3/15/2017 5:25 PM, bfd ...
📅 Original date posted:2017-03-16
📝 Original message:On 3/15/2017 5:25 PM, bfd at cock.lu wrote:
> compact fraud proofs in Bitcoin aren't possible
> In the white paper SPV clients have the same security as fully
> validating nodes
In addition to not existing, if compact fraud proofs did exist, trying
to ensure they are seen by SPV clients has the same problems as BIP37.
> in the implementation of BIP37 they have absolutely no security except
> the vague hope that they are not being lied to, and that the chain
> with the most work they are seeing is actually valid, both are very
> weak assumptions.
Since real money is involved, the near total absence of documented fraud
along these lines belies the strong language.
> During the validationless mining failure around the BIP66 activation
> miners produced 6 invalid blocks in a chain, and many more invalid
> blocks in isolated bursts for a period lasting several months. Due to
> the instability of the network you are completely unreasonable to
> accept anything except multiple confirmations
This affected all users, not just SPV.
Published at
2023-06-07 17:57:19Event JSON
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"content": "📅 Original date posted:2017-03-16\n📝 Original message:On 3/15/2017 5:25 PM, bfd at cock.lu wrote:\n\u003e compact fraud proofs in Bitcoin aren't possible\n\u003e In the white paper SPV clients have the same security as fully\n\u003e validating nodes\n\nIn addition to not existing, if compact fraud proofs did exist, trying\nto ensure they are seen by SPV clients has the same problems as BIP37.\n\n\n\u003e in the implementation of BIP37 they have absolutely no security except\n\u003e the vague hope that they are not being lied to, and that the chain\n\u003e with the most work they are seeing is actually valid, both are very\n\u003e weak assumptions.\n\nSince real money is involved, the near total absence of documented fraud\nalong these lines belies the strong language.\n\n\n\u003e During the validationless mining failure around the BIP66 activation\n\u003e miners produced 6 invalid blocks in a chain, and many more invalid\n\u003e blocks in isolated bursts for a period lasting several months. Due to\n\u003e the instability of the network you are completely unreasonable to\n\u003e accept anything except multiple confirmations\n\nThis affected all users, not just SPV.",
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