Share some experience of losing money:

1. Don't let others help you speculate in cryptocurrencies.

2. Avoid investing in popular projects through proxy investment.

3. Don't bet all your money on a certain altcoin.

4. Don't be fooled by K-line and change coins frequently.

5. Don't hold altcoins for a long time.

Keep these in mind to avoid a lot of losses in the cryptocurrency circle.