I am not an expert, while I think IEO and STO have better future than ICO. And exchange coins are also a good option. Look at Binance, since the start of IEO and Launchpad, BNB growths 6X since end of 2018. It is now 24USD, I missed that...

My favorate coins, XMR, XRP, BTT, NEW, LIGHT, HTA, GT