There is one currently an ungoing platform through which I earn my Bitcoin, thou I have not yet withdraw my Bitcoin go my wallet because I have not reached withdrawal amount. I found the site to be a unique and legit cause ones you perform any task given to you, your coin will reflect immediately.
There is also a chance for daily facuet roll where you can earn a little proportion of Bitcoin.
The platform is called cointiply. I have earned Bitcoin in the past participating in most of the task like testing new apps, online survey and watching of videos.
There is chance for you to win $700k by participating in the referral contest every month.