The aDchain Registry is a decentralized domain whitelist conceived in collaboration with ConsenSys, Meta, and DMA (Data and Marketing Association).AdToken holders play the central part of the domain by voting to determine if an applicant to the registry is a credible publisher or not. One of the dominant issues in the advertisement market is the unknowing purchase of bot traffic, which costs advertisers over 16 billion dollars per year. The adToken holders approve a list of domain names as not fake. To apply for a spot on the whitelist applicants need to give out a domain name and ADT token deposit. If the domain turns out to be fake the adToken holders who were right about it - receive rewards. The CEO and founder of AdChain started working as an intern at ConsenSys in 2015 and later on as a software developer and architect.