This is a very strange way of earning that with zero balance you can earn handsome amount of Cryptocurrency.You can build your account in BTC talk forum and participate in different signature/Bounty campaign you can earn crypto by dint of your hard working.You can write constructive articles for web blog and can earn free crypto.If you are running a business accept crypt as a way of payment and earn free crypto.There are some online games through which you can also earn free cryptos.What are other ways by your stance please........
You forgot to mention twitter, facebook, reddit, and if you are someone with language translation capability, you can also earn free crypto by doing this, there are many ways to earn free crypto by putting in work.
Yes, those are also great sources. But unfortunately facebook and twitter are planning to ban ads of crypto (and they may also begin banning ICO referring posts)
