Building blocks of DID are : * Wallets* Agents* Hubs* DID* DID Document* Verified Credentials* Issuers* Verifiers SSI and Building blocks are used for : 1. To support routing and connection (VIA PKI) between two DIDs2. To support the issuance of verifiable credentials to individual and organizations.3. To support the verification of verifiable credentials that individuals and organizations process. Wallet Wallets are an application to manage public/private key pairs. It run on mobile phones, personal computers, home servers, game consoles, or dedicated hardware devices. Wallets = private keys associated with DIDs + Public keys + other data say verifiable credentials. Agents Agents are similar to wallets in that they store public/private key pairs, but they can do more. 2. Ledgers are too large to fit on a mobile . 3. It serve as an interface to the ledger, to cache keys and records relevant to the user 4. DID Documents will include pointers to service endpoints for the agent if agents are implemented. 5. Individuals manage the verified credentials they have with companies,governments, and institutions in their wallets or agents. 6. Agents/hubs are anticipateto do things on behalf of an individual identity, like make decisions, share data, or execute other instructions by a smart contract. Hubs Multiple agents together form a hub Hub = multiple agents example a company creates an identity hub for its IT department’s 100 employees Identity hub = 100 agents Verified Credentials Verifiable credentials are pieces of data attested by a thirdparty , example university. 2. Institutions can issue to the user wallet . Verifiable Credentials 3. Institutions sign the verifiable credentials with their private key. Issuers and Verifiers Issuer is the party who will issue the verifiable credentials to a user. example university issues degree as verifiable credentials to a student. verifier is the party who verifies if the degree is not fake and is of same person. example your company verifies your verifiable credentials. Next Blog: https://medium.com/@sethisaab/decentralized-identifiers-in-depth-explanation-af0f979b7bb6 — — — — — — — — — — — — — — END — — — — — — — — — — — — — contact : sethi.shivam27@gmail.com <a href="https://medium.com/media/3c851dac986ab6dbb2d1aaa91205a8eb/href">https://medium.com/media/3c851dac986ab6dbb2d1aaa91205a8eb/href</a>
