There are no easy way to earn crypto. Crypto is money, and for earning money you need to do hard work. You can earn crypto doing bounty in this forum. There are a lot of bounty available but for join those bounty you need to fill all criteria. Also if you know any skill, you can offer your skill here for money.

You can also make money doing investment, but its also very risky. Doing regular trade you can also earn money. before starting trade you need to learn about technical analysis and risk management. A lot of people also doing gamble for earning crypto/bitcoin. but you can be REKT easily with gambling. so do your own research first.