#交易类型入门 is mainly about playing spot trading which is the most stable. Holding BTC, if you're stuck, you can just hold on to it until the end, using time to exchange for space. Leverage is only suitable for making a short-term big profit; if you guess wrong, it can be a disaster. Futures can infinitely amplify people's wishes. 100x leverage futures are equivalent to turning 10,000 into 1,000,000, showing how great the risk is.