Ad-Tech Glossary
Ad Supply Chain
The ad supply chain is the chain of intermediaries an ad passes through between the advertiser who pays and the publisher page where it appears.
transparency
Ad-Tech Glossary
SupplyChain Object (schain)
The SupplyChain Object (schain) is an OpenRTB field that lists, in order, every intermediary an impression passed through before reaching the buyer.
Ad-Tech Glossary
sellers.json
sellers.json is a public file that exchanges and SSPs publish to reveal the sellers and intermediaries authorized to sell inventory through them.
Ad-Tech Glossary
ads.txt
ads.txt is a public file publishers host to declare exactly which companies are authorized to sell their ad inventory.