Link for the whitepaper is at the bottom of the post. For your reference - WHITEPAPER

(Regarding applications) Adsigma's services can be used by anyone. All the publishers and advertisers can trade on our platform, to buy and sell digital advertising space. This can be done using ADSi tokens. Using AdSigma will result in ZERO commission to the advertising networks and various other benefits. More details on the same are available in the WHITEPAPER.