Don't miss out on QUANT (QNT)! Other members here have already mentioned it.
You can buy legit projects like Chainlink, Cosmos, or of course Ethereum, but those won't bring you massive gains any more, since they are already at the top and have marketcaps in the billion dollar range, or at least >500 millions. They might be good for another 5x if the market in general gets bullish again and we see another crypto rallye. But if you want to get a chance at one of the very few possible 100x candidates left in this market, check out QUANT Network: