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by some_furry
244 days ago
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EDIT: Disregard this comment. I think there was a technical issue on my computer. Keeping the original comment below. ----- > let's pretend I didn't see the word "blockchain" there There's nothing blockchain about this blog post. I think this might be a rectangles vs squares thing. While it's true that all blockchains use chains of hashes (e.g., via Merkle trees), it's not true that all uses of append-only data structures are cryptocurrency. See also: Certificate transparency. |
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> A paranoid Tor user may not trust existing transparency services or witnesses, and there might not be any other trusted party with the resources to self-host these functionalities. For this use case, it may be reasonable to put the prefix tree on a blockchain somewhere. This makes the usual domain validation impossible (there’s no validator server to speak of), but this is fine for onion services. Since an onion address is just a public key, a signature is sufficient to prove ownership of the domain.