what is crypto currency backed by

I feel that it is very difficult to engage in stock trading recently. Patience, determination and mentality are not good. This market is too tired to do ultra-short-term work, and finally I don't make money!

Doing short-term stock trading is too tired and doesn't make money.Doing short-term stock trading is too tired and doesn't make money.

Doing short-term stock trading is too tired and doesn't make money.