Cryptocurrency exchanges---which one is best?

Many exchanges claimed to be faster than other exchanges and am new in crypto. Anyone who can help me getting started with a super fast exchnage? or anyone who can suggest me about a real decentralizd crypto hardware wallet and exchange.? here some top exchanges: - KUcoin - Bittrex - CEX - OKEX - Walahala

Waiting for your suggestions

I think the best way is build yourself ecosystem community, and publish the crytpocurrency by yourself.
we could help for all and also make token exchange platform for you .