Do not rely your earning on cryptocurrency though you can make money from it. It is better to secure you cryptocurrency asset by dividing into offline business. So you will spend you daily needs from your offline business. If you rely your earning from cryptocurrency like hive blogging, you will lose your asset because you will spend your crypto asset for daily needs.

POB as a job is possible but you will find it regret when the price of POB gets lower while you have no fiat in cash. Then, you will sell your POB asset. Cryptocurrency is very volatile. When POB regains to higher price, you have lost your asset at lower price.