Bitcoin could be a source of income as long as it is existing. The signature campaigns and the other ways here in this forum on how you could earn bitcoin is the way how we are earning bitcoin = fiat if we are going to convert it and this will be the source of our income. Being active on this forum is more better than having a normal job, the salary that you are going to earn here compare to the salary that you are going to earn on the normal job do have a big difference.