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=hf2fNEUPjQwIn my country, we are obliged to pay our salary taxes. There is a constitutional law and enactment against tax evaders or tax exemplary. At first, I was confused that the crypto enthusiasts are exempted against the law. I don't think that decentralization is a reason why we will not pay our taxes as long as we used crypto in order for as our income salary, it is a must that we pay our tax. Tax is an obligation of a citizen, it is for our economic development.