Bitcoin development topics (how to verify user digital currency address ownership)

Blockchain Enthusiast (qq:53016353)

As you know, the digital currency address is public and you have to know his digital address before you can transfer money to anyone. So, how do you verify that he has ownership of a digital currency address? For example, the editor says that there is ownership over Buck's address to the digital currency: 1ejqcfjhga4g6e42yuohscuaahsygm8hoi, how do you verify it?


The method is simple, open your BITCOIN-QT client, click on Receive coins, click on the sign message below, then click Verify Message.
Put Biebuyck's address: 1ejqcfjhga4g6e42yuohscuaahsygm8hoi
Validation message: My name is P2pbucks
Signature: g7tklgdpjcymflxjvagze1pk3pbuebo5bvwxalsc3f6b0/++pj9g/gb1que5psei3jrctvz6pcqtpyhqfylymae=
Follow the image below to enter the input box and click Verify Message. If you are prompted with message verified on the right. Then the verification was successful and the address provided by Buck was correct.


So how do readers digitally sign their addresses and let others authenticate?
Click on the Sign Message button below, enter the digital currency address and the message you want to verify the signature, then click Sign Message and you will be given a digital signature for the message. Then send the address, authentication message, and digital signature results to each other, and the other person can verify your ownership of the address.