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 allow people to earn more money and get free tokens.
Now many projects conduct their own airdrops and users have a big choice of products of participate.
Now many people participate in airdrops. It is a good opportunity to earn more money on cryptocurrency.
A lot of new cryptocurrencies appear and many of them conducts airdrops.