Earning money with cryptocurrency can be approached in several ways, but it's important to remember that it carries risks. Here are some popular methods:

1. **Buying and Holding (HODLing)**: Purchase cryptocurrencies and hold them for the long term, hoping their value increases over time.

2. **Trading**: Engage in day trading or swing trading, where you buy and sell based on price fluctuations. This requires understanding market trends and technical analysis.

3. **Staking**: Some cryptocurrencies allow you to earn rewards by staking your coins in a wallet to help secure the network.

4. **Yield Farming**: Provide liquidity to decentralized finance (DeFi) protocols in exchange for interest or rewards. 

5. **Mining**: If you have the technical know-how and hardware, you can mine cryptocurrencies by solving complex mathematical problems.

6. **Affiliate Programs**: Many exchanges and platforms offer affiliate programs where you earn a commission for referring new users.

7. **NFTs**: Create, buy, and sell non-fungible tokens (NFTs) as art or collectibles, potentially profiting from the resale.

8. **Participating in Initial Coin Offerings (ICOs)**: Invest early in new projects, but be cautious, as this can be very risky.

Always do thorough research and consider your risk tolerance before diving into crypto investments!