非法洗钱

The suspects are suspected of using USDT to operate foreign exchange payment and settlement businesses, providing illegal services to cosmetics and drug smugglers.
Chinese police have uncovered a large underground banking operation that used the popular stablecoin Tether (USDT) to facilitate transfers of up to 13.8 billion yuan ($1.9 billion).
According to a report on the local media WeChat public account, the Chengdu public security department arrested 193 suspects in connection with the case and froze 149 million yuan ($20.6 million) after raiding the locations of the business.
$1.9 billion underground banking business