RefToken is developing a decentralized affiliate program that will connect DApp developers with marketers that will distribute their DApps to users. Their smart contract enabled network will be powered by the Ethereum-based REF token, which will be bought by merchants and held in escrow by RefToken. Marketers will then be paid for each conversion that they deliver, according to the terms of the predetermined smart contract. The network will implement a review and rating system.

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.

Ubex is developing a decentralized ad exchange that will connect advertisers and publishers. The Ubex network will be powered by the native UBEX token. Advertisers will be able to bid for tokenized ad slots on a blockchain-based exchange; adding efficiency and transparency to the media buying process.