Ya this question is very good 🙂
The more people will be Tred to this day 3 currency in the world, Because this is a one of the Best earning money for futur ,But this coin market value hinght in the crypto marketing, So more people will be trading this 3 currency iny opinion 🙂
If we look in terms of trading volume, USDT is higher than BTC and ETH. Because USDT is used to trade all coins. Even the coins are priced very low. Whereas BTC and Ethereum are rarely used to trade coins of low value. BTC and Ether are mostly hold compared to being traded, this will make the daily volume of BTC even lower.