What about non-hackers? People who have just held cryptocurrency since its beginning?
If you hold mined cryptocurrency without TX from it there is very little chance you can be identified, short of you making some information public to make it traceable. That’s why Satoshi has never been identified.
In 2021, when the new gold and silver Eagle coins were released, there was discussion of the new “notch” in the reeding along the edge of the coin. Supposedly anti-counterfeiting tech. Then someone proposed this tiny space could be used for an engraved code that would tie the coin to the blockchain. Interesting