Making money in crypto with zero capital is challenging but not impossible. Here are a few ways you can potentially earn cryptocurrency without any initial investment:

1. Airdrops: Participate in crypto airdrops, which are promotional activities where projects distribute free tokens to users. Keep an eye on social media platforms, crypto forums, and airdrop-specific websites to find opportunities. While the rewards may be small, they can add up over time.

2. Faucets: Crypto faucets are websites or apps that give away small amounts of cryptocurrency for completing simple tasks or captcha challenges. Although the earnings are typically minimal, you can accumulate them over time and potentially exchange them for other cryptocurrencies.

3. Bounty programs: Participate in crypto bounty programs offered by blockchain projects. These programs reward users for completing specific tasks, such as writing articles, creating videos, promoting the project on social media, or finding bugs. In return, you can receive tokens as compensation.

4. Content creation: If you have writing, design, or development skills, you can create content related to cryptocurrency and blockchain technology. Platforms like Steemit, Publish0x, or Medium may reward you with cryptocurrency based on the engagement and popularity of your content.

5. Affiliate programs: Join crypto affiliate programs and promote products or services related to cryptocurrencies. You can earn commissions or referral rewards when people sign up or make purchases through your referral links. Research reputable platforms and projects with affiliate programs to avoid scams.

6. Freelancing: Offer your skills and services in the crypto industry as a freelancer. Websites like CryptoJobs, Ethlance, or Bitwage specialize in connecting freelancers with crypto-related job opportunities. You can earn cryptocurrency by completing tasks such as writing, coding, marketing, or graphic design.

7. Staking and lending: Some cryptocurrencies offer staking or lending programs where you can earn interest or additional tokens by holding and locking your existing cryptocurrencies in a specific wallet or platform. Research projects that offer staking or lending opportunities and follow their instructions to start earning.

Remember, while these methods may allow you to earn cryptocurrency without any upfront investment, the potential earnings are generally modest. It's essential to be cautious of scams, thoroughly research projects, and understand the risks associated with the crypto industry.