Freebitco.in is a site which pays you free bitcoin every hour on entering Captchas. For join the site and to get free BTC you need bitcoin address and you can get bitcoin address by making an account on Coinbase.com or Blockchain.info. You can earn here by two methods, Free Play, in which you have to enter a captcha every hour in order to earn bitcoin. Enter the captcha and click on " Roll " button to start.
Multiply BTC, in which you can earn btc by betting to multiply you earning. But i recommended you that Free Play is much better.
You can also earn btc by making Referrals. Make more referrals, make more bitcoin.
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