If you receive dirty money during the process of trading $BTC , your bank account will be judicially frozen. Similarly, if you receive these black U, your exchange account may also be judicially frozen by the public security authorities. Do you know which U is black U? Today, let's talk about the main sources of black U that I know. You can also have some fun reading this, without arguing about right or wrong.

1. Some exchanges are actually secretly cooperating platforms with online gambling sites, and they allow gamblers to exchange for USDT (which is U). However, these U, because they come from gambling, are all "black U"! Some OTC traders are also involved, unaware that the trouble they bring upon themselves constitutes a criminal offense, specifically aiding and abetting.

2. Online gambling platforms are becoming increasingly cunning; to evade investigation, they have converted RMB chips into USDT. Want to gamble? First, deposit U! But do you know? These illicit funds will ultimately be withdrawn to designated exchanges for cashing out. Once an online gambling platform is investigated, all wallet addresses are marked, and the incoming and outgoing U become "black U". If the police follow the clues and find that your account at a certain An or Yi exchange or other exchanges has transactions with these addresses, then your exchange account will be identified by the authorities as a related account, and sorry, related accounts will be frozen without discussion!

3. After telecom fraudsters succeed, how do they launder dirty money? The answer is to trade on exchanges, using your clean U to exchange for their dirty money. This exchange also turns U into black U! The fraudsters then shuffle the U a few times, and by the time it returns to them, the money is clean. And these black U circulate among those who have traded with them, and you, once you have traded with a fraudster, your account will be targeted by the public security authorities, and a freeze notice will come!

So when trading cryptocurrencies, not only must you avoid receiving dirty money, but you must also avoid receiving black U.