For instance you might lookup a user's profile based upon their DID, their Ethereum account, or their Twitter deal with; or you could lookup a user's Filecoin account based upon their Polkadot account. This Piece Covers It Well are working with The Graph on indexing these identity structures which will open numerous brand-new opportunities in this realm.
If you also require a way of storing and handling user information, you have 3 primary options. Use the IDX library to directly keep documents on the Ceramic Network and include recommendations to those documents in the user's index. For this option, no extra software application is needed; it works out of the box with IDX.Store information in alternative information storage systems such as Filecoin, IPFS, Sia, Arweave, Textile, Orbit, DB, Secure Data Stores, or Ethereum contracts and utilize IDX to add recommendations to this information in your user's index.
This is true regardless of where the information resides (servers or decentralized networks) or which application initially created the data. The identity index consists of mappings to numerous data sources, Share data across applications and silos, As explained above, the crucial aspect of IDX that de-silos information, promotes interoperability, and enables user control is the identity index.