If you're still trying to find for that answer or someone out there has been scouting with the same questions. You have already the names of these coins and it all takes you a couple of minutes in learning what are the difference between those. There's so much altcoins that someone can say to be as promising as they can be because that's their bias and they are investors of it.
Exchange token, good altcoins but cz resigned recently and have some issue. bnb can be manipulate more than others. But you can choice it as it is still promising
BNB is still existing together with Binance despite CZ resigned already. The world doesn't stop for these projects just because he's out but can't deny the contributions he's made for it.