There are many methods to earn cryptocurrency (usually BTC, ETH). Nice way is to do some work for crypto site or crypto exchange. But I will tell you one other method! It is bounty!
First about hiding
Before I will tell you some method how to earn crypto let's see how to mix you payments!
(will add later)
How to earn crypto
And now about bounty!
There are many bounty programs! I will tell you only best links where you can find best one bounties!
1 https://bitcointalk.org/index.php?board=238.0
2 https://cryptotalk.org/forum/36-bounties/
3 https://beta.bounty0x.io/bounties
For my opinion this 3 links is best places to earn crypto with bounty programs! Don't forget to mix you money!
Good luck guys!