SelfKey is developing a blockchain-based self-sovereign identity ecosystem. Their decentralized identity management solutions are designed to allow users to better control their personal information, while also facilitating KYC procedures for a variety of purposes. SelfKey's platform revolves around the concept of Proof Of Reputational Stake, which requires users to stake Ethereum-based KEY tokens to participate in the network. Smart contracts release the staked tokens when the user leaves the ecosystem

3Box is developing an identity management platform for Ethereum-based DApps. Users will be able to create a profile that will allow them to sign in to DApps with one click. 3Box is a ConsenSys portfolio company.

Pillar is developing a decentralized solution for data management that will be centered around the Pillar wallet. Their goal is for the wallet to evolve to include other online services that are based on centralized servers. Pillar Wallet will provide a platform where personal information is managed securely from the user's phone, where they will be able to verify their identity, and choose when and what to share.