Decentralized identity: What’s all the fuss about?
summary
Defines how decentralized identity actually works: a DIDs-backed wallet holds keys and produces verifiable credential and verifiable presentation pairs that hide fields while keeping signatures valid; verification means fetching a DID document (Create/Update/Revoke/Resolve) from a registry (web, DNS, smart contract or Sidetree anchored to blockchain+IPFS) and checking issuer and holder signatures; demos include a government-issued VC for age/income, key rotation and revocation via issuer URLs, and tradeoffs like gas fees, centralization risks, and need for wallet key protection.
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chapters (13)
- 0:00Start
- 4:34Offline Verification for Credit Card Application
- 5:27Online Verification Without DID
- 9:40Sensitive Data Sharing
- 13:22Decentralized Identity (DID)
- 15:32DID Document (DID Doc)
- 16:00DID Operations
- 18:07Verifiable Presentation (VP)
- 19:31Online Verification with DID
- 22:51DID Public Key Infrastructure
- 26:33Trust spreading pathway
- 31:21For Individual Users
- 35:35DID Method Comparison
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