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........