2Key network is a blockchain based platform for building referral campaigns. 2Key allows users to create and manage online campaigns that are powered by smart contracts. The Ethereum based 2KEY token is used to activate campaigns and to reward users for their participation.

indaHash is creating a dedicated ecosystem, based on crypto payments, for brands, influencers, and their fans. indaHash is a marketing agency with an established reputation in brand and social marketing. The indaHash token is meant to complement their existing marketing efforts and to open new opportunities for influence marketing. Influence marketers are rewarded for their work by brands using the token and it can also be used as a medium o exchange within the platform. The company has a buy-back program to better control the token's price.

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.