What is the risk of disclosing the serial number of the Mac Mini to third parties?

Question

Iron

Hello. Decided to sell my MacMini. A potential buyer calls and asks for a serial number. He argues this by saying that he wants to make sure of the configuration, as well as whether it is locked. And actually the question is: what is the risk of telling him this data? And the next question is: how will he do it? Regarding the configuration, I once met a page on the apple website, but about blocking, etc. - not yet.

Answer 1

Here you can check what information he will receive
https://checkcoverage.apple.com/