Talking about Best trading platforms there are lots of things to put into consideration.
1. Has the exchange over time protect the interest of the users?
2. Has the exchange stood the test of time?
3. Does the exchange work towards increasing the productivity of its users?
4. How does the exchange incorporate crypto newbies to understand the concept of crypto currency?
5. Does the exchange implement features that makes new users who doesn’t have much crypto knowledge to also make money?
6. How safe is the exchange?
7. How has these exchanges helped users of other exchanges in trying times just like during the fall of FTX?
Answering all these questions, I can only list two exchanges which is BITGET and BINANCE