On the one hand, he lacks knowledge of Bitcoin, and he has no basic self-judgment on investment. Once he sees someone making money from a certain token, he will rush into the market, and he will eventually fail miserably. On the other hand, the investment is indeed bitcoin, but basically bitcoin contracts are played. High leverage increases the weight of profitability, allowing many people who are eager for quick success and quick profit to enter the market in a hurry, but ignore it and increase it at the same time. You lose weight, and there is also the possibility of liquidation. People don't make money beyond their own knowledge. If you want to invest in Bitcoin, you still need to have certain market knowledge and self-value judgment.