1. look for the team if they're legit and real human... prove to yourself if they're human and real, not fake linkin from russia, reddit or facebook stuff...
2. list your find...
I believe that anyone who wants to invest in cryptocurrency should choose old projects.
I have been holding coins since 2017 for projects such as XSPEC, PHORE, STORJ, EmerCoin, NIX
I am confident in them because they developed during the crisis, the teams are friendly and I see the future that they began to build a long time ago. They write code, develop, believe in the digital future!
Here is an example of an old project that all this time has been developing the now fashionable DEFI direction - Phore Synapse — The Future of DEFI ( https://medium.com/@phoreblockchain/phore-synapse-the-future-of-defi-8671e7ca5501 )