Besides earning, there's much chance to lose money as well.
Usually, some people buy/sell crypto to pocket the difference either on exchanges/ bitcoin ATM.
Others hope to make a fortune by providing blockchain-based services, which is a lot more difficult and in minority. Check out Moving Cloud Smart Wearables to 'MINE' tokens through work out. Making money while getting fit.
Anyway, it's still a long way to go.

Speaking of bitcoin ATM, we provide DOBI ATM to make crypto-cash exchange easy with price advantage.
If interested, please feel free to contact.