Unfortunately, unblocking funds if they are blocked by an exchanger is less likely to happen than with an exchange. Exchangers often set the most favorable conditions for themselves in their privacy policies. From our experience with exchangers, we can say that only the largest and most popular exchangers can meet the requirements and facilitate unblocking.
Is it possible to recover blocked funds?
How to reduce the Risk Score of your address
PREVENT BLOCKING OF FUNDS
GET OUT OF TROUBLE WITH THE LAW