ZCash is fairly anonymous but it's also controlled by a privately owned organization in the U.S. Theoretically, they can be compelled to only let one transacti

ZCash is fairly anonymous but it's also controlled by a privately owned organization in the U.S. Theoretically, they can be compelled to only let one transaction through on a block, which can be used to deanonymize the owner of the account on the other side. ZCash also personally takes a cut of the mining, if I remember correctly, but that's not part of the anonymity.