If you want earn crytpo by playing games then splinterlands can be the best option for you because steemmonsters rewards it's players.There are lots ways to earn cryptocurrency by playing steemmonsters. Easiest way to earn cryptocurrency is doing daily quest to get reward cards. Imagine that every day you have free lottery tickets and if you're lucky then you'll get a jackpot. Jackpot is getting a gold foil legendary. Gold foil legendaries are the most expensive cards because they are the rarest. Even you don't get gold foil legendary you can get some valuable cards to sell it on the market. Another way to earn crypto is by joining daily tournaments.
image source