Writings

Publications

• Chains of Trust: Combatting Synthetic Data Risks of AI, March 2025, Oxford Intersections: AI in Society
• Personhood credentials: Artificial intelligence and the value of privacy-preserving tools to distinguish who is real online, August 2024, Arxiv.org
• Decentralized Identity of Artifacts - System Architecture, August 2024, 2024 IEEE 12th International Conference on Intelligent Systems
• Reimagining Digital ID, Insight Report, June 2023, World Economic Forum
• Learner Credential Wallet Specification, May 2021, MIT DCC and US Dept of Education
• Applying Self-Sovereign Identity Principles to Interoperable Learning Records, June 2020, US Chamber of Commerce Foundation
• Building the digital credential infrastructure for the future, February 2020, Digital Credentials Consortium
• Decentralized Identity: Where Did It Come From and Where Is It Going?, December 2019, IEEE Communications Standards Magazine
• Building Decentralized Identity Solutions, Responsibly
• The Time for Self-Sovereign Identity is Now: Blockcerts, Decentralized Identifiers, and Verifiable Claims
• What we learned from designing an academic certificates system on the blockchain
• Learning UML 2.0

ORCID

Specifications & Report

• Use Cases for Decentralized Identifiers, Draft Community Report
• Modeling Educational Verifiable Credentials
• BTCR DID Method, Draft Community Group Report

Other Technical Papers

• BTCR Decentralized Identifier Method
  • BTCR DID Method Updates
  • BTCR v0.1 Design Decisions
  • IPLD as a general pattern for DID documents and Verifiable Claims
  • BTCR DID Resolver Specification
• Decentralized Identity for Educational Use Cases
  • Designing a Recipient-Centric Educational Digital Credential Ecosystem
  • Blockcerts – where we are, and what’s next
  • Open Badges are Verifiable Credentials
  • A Decentralized Approach to Blockcerts Credential Revocation