It’s like VPN. Your data does in, everybody’s data comes out, they still match stuff. Except blockchain is pub so you don’t even need the pen reg.
.. doesn't seem that easy to attack. But if you have some paper that should a realistic attack please share a link.
I’m talking about how identities are compromised, not an attack on Bitcoin. Search for “Ross Ulbricht”, “Roman Seleznev”, “Abu Omar.”