Refereum is developing a blockchain-based affiliate referral ecosystem that is focused on gaming. Their goal is to develop a decentralized affiliate marketing platform that will be powered by the Ethereum-based RFR token, and will enable on-chain attribution for marketing engagements. Refereum places an emphasis on gaming, and their platform allows game developers to create incentivized quests that reward game players for completing in-game tasks.

ClearCoin is developing a smart contract based advertising and media buying platform, built on Ethereum. Powered by the XCLR token, ClearCoin connects advertisers and publishers in a media buying network that uses blockchain to add efficiency and transparency to the media buying process.

DATx is cooperating with Avazu to develop a blockchain powered digital advertising platform with cross-chain capabilities. It will have a hybrid model of, centralized and decentralized data storage, that will give users more control of their personal information. DATx will encrypt their details, and use blockchain to improve privacy, transparency, and security for viewers, publishers, and advertisers. DATx will also use transparent machine learning algorithms, decentralized auditing, and incentives based on user attention, to help improve the inefficiencies that currently plague digital advertising.
The network is powered by the DATX token, and is backed by several influential firms, such as Genesis Capital, Qtum, and Game.com.