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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…
The 12th FIDO Tokyo Seminar: Toward a Passwordless World
I announced this on X (I am often unable to find time to write blog posts, so I would appreciate it if you followed me on X as well), but today is the day of the 12th FIDO Tokyo Se…
I Will Appear on the Okinawa Open Days Panel “Current and Future OSS Initiatives in Economic Security”
It is already the day of the event—in fact, I am writing this now (12/4 9:45) at my desk while preparing for the panel—but I will be appearing on the panel named in the title. The…
Celebrating RFC 9901! SD-JWT Becomes an Internet Standard — A New Rule for the Digital ID Wallet Era: “Show Only What Is Necessary” — An Overview of SD-JWT, the Core Format Supporting Verifiable Credentials and Identity Wallets
1. The Birth of RFC 9901 On November 19, 2025, the specification defining “Selective Disclosure for JSON Web Tokens,” commonly known as SD-JWT (pronounced “ess-dee-jot”), was publi…
Digital Agency: Expert Meeting on Organizing Issues Concerning Attribute Credentials (1st Meeting)
This is slightly old news, but on October 23 I participated remotely as a member in the Digital Agency’s “Expert Meeting on Organizing Issues Concerning Attribute Credentials…
Understanding the New Password Security Standard in NIST SP 800-63B-4 (Substantially Updated on November 7)
SP 800-63-4B, published by NIST (the U.S. National Institute of Standards and Technology), provides the latest guidance on password security and includes provisions that overturn c…
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