There are six main tasks. You need to complete the first task at least to get verified. Others are not mandatory but they will build your understanding of the platform.
In the link above, everything is explained. Please give it a read, if you still have any questions then please feel free to ask me.
Check out these guidelines on achievement tasks:
Lists of Achievement Tasks,Resources & Materials : Newcomers Resources
There are six main tasks. You need to complete the first task at least to get verified. Others are not mandatory but they will build your understanding of the platform.
In the link above, everything is explained. Please give it a read, if you still have any questions then please feel free to ask me.
Okay I'll read it