How can you earn 40 dollars a day in bitcoin?? , let's share the knowledge on this topic , and hopefully we get more success after share my experience in here
You can get bitcoin everyday through using the bitcointalk.org. In bitcoin forum you just have to answer the things that they have and they will be giving you a bitcoin in exchange to the effort that you did. In this you can earn so much money using the less of your time and the less of your effort.