Well, whatever the process is to cash out coins you mined could be used I assume? Such a person could likely afford top legal talent. Also, lotteries in many states require you to claim with your real name. A corporation could be used for bitcoin.

Corporations hiding a name only obscures it from the general population. Kind of like how your social security number is private.

Sophisticated criminals who actually are interested in targeting you can play your shell game until they figure out who you are.