You can use the demo version and see everything http://beta.bpc.one/publisher_rtb/adsites/
Event information and data user are stored into unified ledger
User quality is assessed by a set of procedures
Ad exchange sends OpenRTB bid requests to qualified buyers (DSPs or advertisers with the corresponding insertion order placed)
DSPs evaluate the user through data sources (DMPs and/or traffic quality data providers) using blockchain infrastructure DSPs place the bids by sending bid responses to ad exchange The winner of the auction is selected automatically and this information is stored to the blockchain The ad is placed on website or application. All aforementioned transaction are cleared with CPM tokens under smart contracts