Nowadays, the national economy and the ruble in particular are in a weakened state due to the circumstances in Ukraine. Scores of people want to somehow preserve their savings and begin to look for ways to invest. Then the choices are: stocks, foreign currency, precious metals and cryptocurrency. In the midst of this dollar backdrop against the ruble, lots of people wish to invest in foreign currency. On crypto exchanges, an analogue of the dollar is presented, specifically, USDT. Read on to find out what stablecoins are and how to use them.