We all know that there are many ways we can earn through crypto as we all are aware with the potential of crypto and therefore there are millions of people around the world who are investing into crypto through many ways but all the ways requires some sort of investment except one way and that is by joining the survey campaign and then they will give you some topics on which you have to write something about crypto only and you will get paid in return, this is the method I know by which one can earn through crypto without investing.