They did nothing wrong but mistakenly thought the market would go up forever. In 2017, the value of bitcoin and altcoins grew very high. Bitcoin increased in value by 20 times. TRX increases 1000 times in 1 month. If you are a normal person, what can you do for your assets to achieve such a profit? Those who invest in cryptocurrencies are those who believe the market will return someday very close and they We have the right to believe that the market will recover soon in the next 2-3 years and possibly next year. In this market nothing is impossible.