Not much difference.

If the trading system is formal, there will not be any problems, unless it is some small platform. Nowadays, there are many small spot platforms and small investment platforms established by private parties, which will often cause your trading system to collapse. The risks of investing on this platform are huge. As a financial planner, I personally recommend that you stay away as soon as possible and make formal investments, such as the futures market and the stock market. This is the only trading platform approved by the state. So as long as you operate it properly, it is legal and valid, and there is no substantial difference.