what actually traffic exchange is doing ? you submit your site on a traffic exchange and then start surfing the frames, the more u earned the credit the more u will get your site hits from others.
Traffic exchange some times paying too just to encourage their users to surf more and this way they are getting more users and more users means more advertisers. Nowadays, when Bitcoin is famous as Digital Currency many service providers for Traffic Exchange, are offering Bitcoin as payment for Surfing. And some services are specially designed for Bitcoin Surfing.
Here i am providing some of good sites which gives advantage to earn Bitcoin while surfing.
1. Bitvisitor.com :- One of the famous site providing free bitcoin for surfing. They are giving from 5uBTC to 140uBTC per visit, depends on your unique IP system. Every time u have fill a captcha then after one website will open in the browser for 5 minutes , there after the next button will appear and fill another captcha to get another site and so on. For every 60uBTC u will get paid automatic in provided bitcoin address.
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2. Bitvisit.com :- One another traffic surf site providing cash as bitcoin for visiting websites through there manual surf system. There timer are mostly of 60 second and for every site they are giving 10 uBTC , there minimum cashout is anything above 0.0002 BTC as it is transaction fees for every time u requires withdraw. They recently made a new earning system too but it is not yet started or they got no advertisers for it, ” Website review ” now users can earn by this method too.