You see, it doesn't matter.
The judge is ultimate judge.

If they say you have something and will not produce it, then you are in contempt and they can do anything they want to you. They can even have you killed right there in the court room.

Of course you can't prove that that is not your bitcoin address.
And so, the judge demanding it is asking for something that can't logically be done.
But that hasn't stopped them.

There are many people that are in jail, being held for crimes that should never exist.
Reporters in jail for reporting, even thought that is directly violating the constitution.

So...