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The Rubric

The Rubric

Written by: The Rubric
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 The Rubric helps you understand the technologies behind Decentralized Identity, including Decentralized Identifiers, also known as DIDs (or D.I.D.s), DID documents and DID methods. We review different DID methods using a common set of criteria, comparing apples to apples, so you can make better decisions about which DID method is appropriate for your needs.© 2021 Legendary Requirements, LLC. All rights reserved.
Episodes
  • Faster, Cheaper, and More Private: the Sequel IS Better! (did:btcr2, Part 2)

    Faster, Cheaper, and More Private: the Sequel IS Better! (did:btcr2, Part 2)
    Oct 10 2025
    did:btcr2 is a censorship-resistant DID method using the Bitcoin blockchain as a Verifiable Data Registry to announce changes to the DID document. It improves on prior work by allowing: zero-cost off-chain DID creation; aggregated updates for scalable on-chain update costs; long-term identifiers that can support frequent updates; private communication of the DID document; private DID...
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    1 hr and 4 mins
  • Faster, Cheaper, and More Private: the Sequel IS Better! (did:btcr2, Part 1)

    Faster, Cheaper, and More Private: the Sequel IS Better! (did:btcr2, Part 1)
    Oct 10 2025
    did:btcr2 is a censorship-resistant DID method using the Bitcoin blockchain as a Verifiable Data Registry to announce changes to the DID document. It improves on prior work by allowing: zero-cost off-chain DID creation; aggregated updates for scalable on-chain update costs; long-term identifiers that can support frequent updates; private communication of the DID document; private DID...
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    55 mins
  • Verifying a Web of Truth (did:webvh, Part 2)

    Verifying a Web of Truth (did:webvh, Part 2)
    Jul 23 2025
    did:webvh adds historical verifiability to did:web, using cryptographic provenance to establish that the current DID document is the result of legitimate updates by the DID controller. Today on the show we talk with Stephen Curran and John Jordan, co-creators and implementers of the did:webvh specification. References ACA-py Plug In https://aca-py.org/latest/features/PlugIns/ AnonCreds Specification https://hyperledger.github.io/anoncreds-spec/ DID...
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    41 mins
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