I ran across this video a while ago on what can happen to you if you don't pay your taxes. At some point during your Bitcoin career, the cryptocoin will be converted to fiat and that's how they will catch you.
https://www.youtube.com/watch?v=hf2fNEUPjQwIt is our responsibility to pay taxes so we should know the importance of it. We must do our duties for us to help our community. We should know the the taxes that we are paying usually goes to our government's necessities. Our government's expenses and budget lies on our hands so we better do our duties and responsibility in our society.