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Proofs of nonexistence of names #69

Open yanmaani opened 3 years ago

yanmaani commented 3 years ago

If you query a server, you can get a Merkle inclusion proof for a name, if it already exists.

But if it says it doesn't exist, you can't authenticate that denial.

We should come up with a scheme so that it can be used in both Namecoin Core and Electrum-NMC.