These are the methods you can use to earn free cryptocurrency
Eg :
1. AMA(Ask me anything)
2. Testnet
3. Play to earn games
4. Bounty
5. Ambassador Programs
1. Are there giveaways during AMAs?
2. Yeah, this is one of the biggest lottery for most projects. If you're able to do test net and the project becomes successful, you'll get a fair share.
3. Not anymore today, they're almost dead.
4. Many of them aren't worth it but you might get a something worth to take ashot.
5. How does this work? You're likely going to be representing the project?