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Let's say I have a Master Public Key (MPK) and have a derived some addresses from it.
How can I check later if a given address was derived from my MPK?
Is it possible to check if a bitcoin address "belongs to" a master public key from a deterministic wallet?
Answers
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No, except by exhaustively iterating the whole derivation tree below the master.
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After I generate the Master-wallet I use the MPK to generate the sub-wallet and the fingerprint and chaincode seems to point to the right master-wallet. I tried using the salt (brain-wallet style) to generate the sub-wallets and this did not match up to the fingerprint or the chain code. hope this works
