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2

Can I send it to the wrong address format? Addresses have checksums in them to prevent mistakes like these. Typographical errors can be detected because of these checksums. So a well designed wallet will not allow this, but nothing prevents a badly designed program from erroneously accepting an incorrect address format and decoding it into some invalid/...


4

This is not currently possible, as Bitcoin Core uses hardened BIP32 derivation to compute keys and addresses. This derivation scheme does not have a usable xpub that lets you derive the same keys publicly. For more background, an xpub (or extended public key) is a string defined by BIP32. Every xpub has a corresponding xprv (extended private key). From the ...


0

I'm adding more info on the matter. This is a format proposed in Chapter2 of Bitcoinbook (How Bitcoin Works) bitcoin:1GdK9UzpHBzqzX2A9JFP3Di4weBwqgmoQA? amount=0.015& label=Bob%27s%20Cafe& message=Purchase%20at%20Bob%27s%20Cafe Components of the URL A bitcoin address: "1GdK9UzpHBzqzX2A9JFP3Di4weBwqgmoQA" The payment amount: "0.015" A label for ...


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