They were kind of worthless for a long time
But now they are rising for some reason and I want to trade them
Yes, as i remember them those KIN tokens were dead but now they have restarted their project. Also the main reason to the KIN token to get the attention is that they are recently listed at the ftx.com exchange. This means that their is some potential behind this coin and also since its on ftx, it will gain a lot of attention because its price is very low (less than a satoshi).
That could be one of the reason since that's their biggest trading site now per volume.
Also, we have to remember that KIN price is very cheap now because its supply is 1.5 trillion, so if KIN will reach a price of $0.001, I guess that would already put them in the top 100 of the CMC. Also, since it started to attrac invetors, maybe time will come that it will also be listed in Binance.