You made a big profit trading cryptocurrencies, earning a whopping 10 million, and you're feeling good about quickly converting these virtual currencies into real RMB.

So you start looking for those who can help you exchange USDT for RMB. After some searching, you finally find one that seems quite reliable.

You agree that you'll transfer USDT to the exchange as collateral, and once the U merchant transfers the money to your account, you will confirm the transaction, and the exchange will release the coins to the U merchant. This sounds pretty safe, right? But actually, there's a big problem here— you have no way to determine if the money the U merchant gives you is clean!

You might think about checking the duration of the funds' accumulation, or asking the U merchant to promise a frozen card compensation, or maybe finding an established coin dealer, which should be more reliable, right? But sorry, none of these will help! Because the frozen card issue is like a time bomb, when it explodes depends entirely on when the victim reports it.

The fundamental reason for frozen cards is simply that you don't know where the money the U merchant gives you comes from and whether it is clean. Even if there are no issues this time, a few months later, it might be traced back and frozen due to a previous transaction being involved in a case. Not to mention that the U merchant's own bank card might be monitored by big data risk controls due to frequent deposits and withdrawals, and any card associated with the U merchant could also get into trouble.

If there are too many frequent transactions in and out of domestic bank cards, inconsistent with previous trading habits, or if the transactions are quick without leaving time, this might trigger the bank's risk controls, resulting in a direct freeze.

This issue is simple to explain; it’s just that big data is too powerful. Those who gamble online frequently use USDT for transactions, trading coins at exchanges with high frequency, which ends up linking their bank cards to those blacklisted for fraud by anti-fraud systems, monitored by big data. Moreover, most coin dealers' bank cards are also high-risk accounts, so if you deal with them too often, your bank card might also get labeled as fraudulent by big data. Making money is good, but converting to RMB requires caution!

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