It is very difficult to predict the future potential of the coin because a lot of new coins appear every day.
But it is necessary to check everything and carefully study the product that projects offers.
The best way to get free tokens is to participate in its airdrop like this
https://twitter.com/CairoFinance/status/1506234326853238791Airdrops is a good opportunity to earn money. That is why airdrops attract a lot of people. It is a good opportunity to get tokens of new an prospective projects for free.
The more people use cryptocurrency the more demand in digital assets.
Every day a lot of new coins appear and only time will show how useful will be projects in the future.