Having worked in the cryptocurrency OTC field for 8 years, I've seen many friends experience "it was fine at the time, then the next month disaster struck" — their bank card suddenly frozen.
In fact, it's mostly not that you are breaking the law, but rather that there are hidden risks in the funding chain:
The money you receive may be mixed with stolen funds, and after the victim reports it to the police, they may trace the flow to your account, and you will be listed as a subject of investigation.
Don't be afraid; being frozen does not equate to being convicted. As long as you can prove you were unaware and your operations were compliant, most can be unblocked, the key is to have complete evidence.
These 5 behaviors are most likely to trigger risk control, so be sure to avoid them:
Frequent changes of receiving cards, logging in from different locations; writing sensitive terms like "buy coins" or "USDT" in transaction notes; transferring the money immediately after it arrives, making the flow appear like "money laundering";
The receiving name does not match the payer's information; making large transactions between 2-5 AM.
Upon receiving a freeze notification, do 3 things immediately:
First, verify authenticity — banks or police will never ask you to transfer funds or provide your password; cooperate with official procedures, if a public-to-public refund is needed, be sure to request a receipt and case closure proof;
Organize transaction records, chat logs, and bank statements by timeline; the more complete the evidence, the better.
Usually, there are 4 outcomes after freezing: the best is unfreezing within 24-72 hours (able to prove innocence); the common one is recovery in 1-3 months (account temporarily controlled);
The worse outcome is that funds involved in fraud are frozen, while other funds remain available; the most troublesome is being added to a long-term risk control list, necessitating getting a new card or a dedicated OTC card.
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