I choose bitcoin because for me this the most relaxing online job. There are variety ways in earning bitcoin. You can also do this part time or full time. In my case i do this part time because i have a regular job. You can use bitcoin in buying things online aside from earning in bitcoin. You can send money online or transfer money online. If you want to earn to can do mining, signature campaign, trading or investing. Bitcoin has a multiple purpose and it helps a lot of people.