USDT is a stablecoin digital currency on the blockchain. Its full name is Tether (USDT), which has a 1:1 reference to the US dollar. in the same amount. So that investors holding Tether (USDT) can always exchange their money back into US dollars.
There is no limit on USDT.
USDT is a non-fixed coin, the supply of USDT in the market is 100% limited by the company's reserves using the Proof Of Reserves system. It means that the more USD the company holds, the more USDT coins will be circulating in the system.
The value of USDT in the market is less active.
Due to its low volatility and relatively stable value compared to other coins, USDT is a relatively safe asset during times of extreme market volatility. It is like a haven for investors to avoid risks. Most investors use USDT as a medium of exchange for other cryptocurrencies.