[Argentina Orders Tether to Freeze 3.5 Million USDT Related to Rainbowex] According to Golden Finance, Argentine authorities have ordered Tether to freeze 3.5 million USDT related to Rainbowex, which is suspected of pyramid schemes affecting thousands of people. This operation involved 22 search warrants and the detention of 22 individuals. Rainbowex misled investors with promises of cryptocurrency returns but operated a closed-loop system, refusing withdrawals. Investigations revealed that individuals hired actors to impersonate company representatives at events.