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Re:Bitcoin is a collectors items by wcoenen on Tuesday December 29, 2020 @07:43AM (#25569200)
That procedure is for recording a hash in the blockchain, which is overkill in this case. There is no need to make an actual transaction.

If you only want to prove ownership of an address, you can simply sign a message with the private key behind it. There's a "sign message" feature in the bitcoin qt client for this purpose. I think Electrum also supports it.

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