I have User A who generates BIP32 Master Public and Private Keys. They share the Master Public Key with User B.

Using the Master Public Key User B generates Address of A and sends bitcoins from Address of B to Address of A.

Will the transaction be received in wallet of User A, if User A knows the index used by User B?

The main idea is that User A don't want to share its receiving address with User B. Instead of that User A must find out itself from the Master Public Key.

1 Answer 1


That would achieve the expected result, as both User A and User B can derive every possible address from that Master Public Key. It would effectively be the same as User B running a watch-only wallet with that MPK; they have to be able to see all the addresses:)

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