If you are asking about how to earn 2 to 3 Bitcoin in a year  there are lot of things that you need to do but the most important thing is that you need to work hard patiently in a constant way it means that you should be active everyday not just for oneday because in bitcoin there are lots of work that you need to do or airdrops that need to fill up but there are lots pf opportunities for you to earn you just need to trust yourself without a doubt and pray to god a the blessings will come to you....