Block, the company that owns Cash App, lost a court case and had to pay an $80m fine for failing to adhere to anti-money laundering laws. The Feds have been all over it for a year. Maybe 3 years ago it was possible to fake the KYC, but not a much so anymore.

The only truly non-tracable financial system is Monero, and many exchanges won’t touch it because it has such a close connection to crime.