Well, you can invest now in IOS tokens for now. And it is increasing as day passes by. It might be worth the wait of 2-3 years to hold this coin. Since, it might become 1 token = 1$ in the near future! For reference, you can look it up and read the whitepaper. Also, the team behind it is good! Another coin is the XRP, which I think has many investors because many people think that it has the potential to stand in the same stage as Bitcoin and ETH. W