In 2021 legit crypto has a whitepaper, dev team, community, and projects available or on the horizon.

This is one of the trackers I use avoid scams

tokensniffer.com

Carma Coin is a giveaway coin based on a smart contract platform.

Mononoke Inu are anime tokens based on a game.

Elongate is a charity token that's 10K shy of donating $3.5 million to charities around the world.

Doge is the original memecoin with a strong community and dev team.

Shiba Inu has nfts, it's own blockchain in the works, and support of two major payment platforms.

Safemoon has an a wallet app and projects in the works.

Saitama Inu is an education and wealth building platform.

This is a small list but most crypto have real uses.