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EU Age-Verification App Hacked in 2 Minutes?! What Happened and How to Assess It
European Commission President Announces That EU Age Verification Is Available On April 15, European Commission President Ursula von der Leyen announced that the EU age-verification…
March 2026 Digital Identity Technology Trends
March 2026 was an extremely busy month: even just among the meetings I was involved in, standards-related meetings included JTC 1/SC44, SC27, IETF . ISO/IEC JTC 1 There are many th…
I Spoke at FINOLAB’s “Toward the Implementation of AI Agent Payments: From Governance to Authentication and Authorization”
On March 6, I appeared at the FINOLAB-hosted Japan Fintech Week-related event “Toward the Implementation of AI Agent Payments: From Governance to Authentication and Authorization”.…
Persona Code Reportedly Used by Discord for Age Verification Sparks Controversy After Code for Reporting to Authorities and Other Functions Is Found
The frontend source code of Persona, which Discord had used for age verification, was accidentally made public. Analysis of the code sparked controversy because, although it was su…
Year-End Greetings: Fauré’s “In Paradisum” from Requiem, Op. 48—In Memory of Andrew Nash
Here are my customary year-end greetings. This year I had begun preparing to perform “Lilium”, but after learning of the death of my close friend and ally Andrew Nash, I abruptly—t…
On NIST SP 800-63-4, Binding Levels of Assurance, and Account-Takeover Risk
This article analyzes the authenticator-binding provisions in NIST SP 800-63-4, examines the account-takeover risk created when a higher-assurance authenticator can be added from a…
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