Description：Spruce is a decentralized identity startup that won RFP from the Ethereum Foundation and Ethereum Name Service (ENS) to develop a standardized “Login with Ethereum” feature that enables users to use their Ethereum accounts and ENS profiles to control their identities instead of relying on traditional intermediaries. SpruceID is an open source tool ecosystem that enables user-controlled identities anywhere. Kepler is a decentralized storage system that uses smart contracts to define where your data is stored and who can access it.