Metadium is developing a blockchain protocol for Self-Sovereign Identity. Their goal is to allow users to own all aspects of their identity. Metadium's network is powered by the Ethereum-based META token.

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.

BaaSid, short for Blockchain as a Service for ID, is a blockchain based network for securing personal authentication data. BaaSid divides and redistributes data related to personal information on a blockchain and does not rely on a centralized database to store this sensitive information. The network is powered by the Ethereum-based BAAS token.