corpus.blog
41554 blogs · [ { "id": "01a0c70f-51c3-72c5-8dd0-f02850d45494", "title": "When Software becomes Staff: Governance, Security & Safety for Agentic AI", "url": "https://nat.sakimura.org/2026/05/19/when-software-becomes-staff-governance-security-safety-for-agentic-ai/", "published_at": "2026-05-19T07:49:00+00:00" }, { "id": "01a087ac-a3f6-71bc-b039-380edfe6a5d5", "title": "On NIST SP800-63-4 and the Binding Level of Assurance and account hijack possibilities", "url": "https://nat.sakimura.org/2025/12/10/on-nist-sp800-63-4-and-the-binding-level-of-assurance-and-account-hijack-possibilities/", "published_at": "2025-12-10T06:40:39+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdccd6c901", "title": "Trends and Insights from Identiverse 2025", "url": "https://nat.sakimura.org/2025/06/18/trends-and-insights-from-identiverse-2025/", "published_at": "2025-06-18T08:58:52+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdcd5d500d", "title": "OpenID Foundation Workshop Recap", "url": "https://nat.sakimura.org/2025/04/08/openid-foundation-workshop-recap/", "published_at": "2025-04-08T07:14:14+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdcdc1fafa", "title": "Authorized Push Payment (APP) Scams and EU’s Defence: PSD3 & Digital Identity Wallets", "url": "https://nat.sakimura.org/2025/04/06/authorized-push-payment-app-scams-and-eus-defence-digital-identity-wallets/", "published_at": "2025-04-05T17:17:44+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdce62bdf2", "title": "The Evolution of Digital Identity: OpenID’s Journey (SIDI Hub Tokyo Opening Speech)", "url": "https://nat.sakimura.org/2024/10/25/the-evolution-of-digital-identity-openids-journey-sidi-hub-tokyo-opening-speech/", "published_at": "2024-10-25T01:45:18+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdceea524a", "title": "NIST SP800-63-4 2pd Workshop Notes", "url": "https://nat.sakimura.org/2024/08/29/nist-sp800-64-4-2pd-workshop-notes/", "published_at": "2024-08-29T01:22:13+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdcf6081ca", "title": "Deepfake Damages Worth $40 billion? — The Impact of Generative AI on Identity and Countermeasures", "url": "https://nat.sakimura.org/2024/08/25/2004/", "published_at": "2024-08-25T03:00:21+00:00" }, { "id": "01a087ac-a3f8-73c1-9466-dcbdcfe1a381", "title": "Summary of ABAC vs. ReBAC: An Authorization Policy Showdown", "url": "https://nat.sakimura.org/2024/08/25/summary-of-abac-vs-rebac-an-authorization-policy-showdown/", "published_at": "2024-08-25T01:41:23+00:00" }, { "id": "01a087ac-a3f9-7372-b021-bdc1b57b366d", "title": "2nd Public Consultation for NIST SP800-63-4 Digital Identity Guidelines started", "url": "https://nat.sakimura.org/2024/08/22/2nd-public-consultation-for-nist-sp800-63-4-digital-identity-guidelines-started/", "published_at": "2024-08-22T01:16:59+00:00" }, { "id": "01a087ac-a3f9-7372-b021-bdc1b5cf0576", "title": "Public consultation for EUDIW Implementing Act Started", "url": "https://nat.sakimura.org/2024/08/13/public-consultation-for-eudiw-implementing-act-started/", "published_at": "2024-08-13T01:20:56+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d272efed2", "title": "EU Anti-Money Laundering Package", "url": "https://nat.sakimura.org/2024/07/04/eu-anti-money-laundering-package/", "published_at": "2024-07-03T17:27:12+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d2783adab", "title": "Key points of “Developing a Digital Identity Solution for Use by the Financial Sector Based Around eIDAS Trust Services”", "url": "https://nat.sakimura.org/2024/07/03/key-points-of-developing-a-digital-identity-solution-for-use-by-the-financial-sector-based-around-eidas-trust-services/", "published_at": "2024-07-02T17:22:05+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d28175439", "title": "“#OIDC: Oh, It’s Damn Complex?!” — Today (June 7) 11:50 – Join us in Room A03-04, bcc Berlin Conference Center", "url": "https://nat.sakimura.org/2024/06/07/oidc-oh-its-damn-complex-today-june-7-1150-come-to-room-a03-04-bcc-berlin-conference-center/", "published_at": "2024-06-07T06:28:47+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d282947f8", "title": "[June 4] Join us for a Keynote speech at the European Identity & Cloud Conference 2024 in Berlin titled “Les Miserables of the Cyber Frontier: The Dueling Narratives of Decentralized Identities.”", "url": "https://nat.sakimura.org/2024/06/02/june-4i-will-deliver-a-keynote-speech-at-the-european-identity-cloud-conference-2024-in-berlin-titled-les-miserables-of-the-cyber-frontier-the-dueling-narratives-of-decentralized-identities/", "published_at": "2024-06-02T12:31:52+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d283c2a09", "title": "The Miserable Society and the Identity System: The Dangers of Data Linking as Seen in Victor Hugo’s Les Misérables (2024 EU Version)", "url": "https://nat.sakimura.org/2024/06/02/the-miserable-society-and-the-identity-system-the-dangers-of-data-linking-as-seen-in-victor-hugos-les-miserables/", "published_at": "2024-06-02T08:58:30+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d2876ade7", "title": "Catch Up with Digital Identity Now — Recording of OpenID Foundation Workshop (Mon Apr.14) Available Now", "url": "https://nat.sakimura.org/2024/05/04/catch-up-with-digital-identity-now-recording-of-openid-foundation-workshop-mon-apr-14-available-now/", "published_at": "2024-05-03T23:28:43+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d28ca437b", "title": "Supplement to NIST SP800-63B was published. It adds passkey to AAL2", "url": "https://nat.sakimura.org/2024/04/23/supplement-to-nist-sp800-63b-was-published-it-adds-passkey-to-aal2/", "published_at": "2024-04-23T12:45:54+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d295019ec", "title": "[Youtube] Fallacy of Decentralisation: Between A and Z or Liberating Dream?", "url": "https://nat.sakimura.org/2024/04/20/youtube-fallacy-of-decentralisation-between-a-and-z-or-liberating-dream/", "published_at": "2024-04-19T23:06:28+00:00" }, { "id": "01a0bb99-8387-73ab-8a00-af6d29aab4af", "title": "Belated Seasons Greetings", "url": "https://nat.sakimura.org/2024/01/30/belated-seasons-greetings/", "published_at": "2024-01-29T20:26:40+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80ac4c736c", "title": "Fallacy of Decentralisation", "url": "https://nat.sakimura.org/2023/11/30/fallacy-of-decentralisation/", "published_at": "2023-11-30T07:20:57+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80ad390200", "title": "Digital Being", "url": "https://nat.sakimura.org/2023/11/03/digital-being/", "published_at": "2023-11-03T08:45:23+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80adbf4d37", "title": "Come to the Launch of the OECD Recommendation on the Governance of Digital Identity on Sept. 26", "url": "https://nat.sakimura.org/2023/09/21/come-to-the-launch-of-the-oecd-recommendation-on-the-governance-of-digital-identity-on-sept-26/", "published_at": "2023-09-21T07:52:28+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80ae9957e4", "title": "Use your own domain for Managed Apple ID by supporting OpenID Connect, SCIM, and SSF even if you are not using Azure AD or Google Workspace", "url": "https://nat.sakimura.org/2023/06/11/use-your-own-domain-for-managed-apple-id-by-supporting-openid-connect-scim-and-ssf-even-if-you-are-not-using-azure-ad-or-google-workspace/", "published_at": "2023-06-11T04:00:20+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80aeec8afa", "title": "The Laws of Identity in the era of Ubiquitous Identity", "url": "https://nat.sakimura.org/2023/06/02/the-laws-of-identity-in-the-era-of-ubiquitous-identity/", "published_at": "2023-06-01T22:43:06+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80af209508", "title": "7 Whitepapers of OpenID Foundation", "url": "https://nat.sakimura.org/2023/05/31/7-whitepapers-of-openid-foundation/", "published_at": "2023-05-30T20:17:33+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80afba0f22", "title": "Comparing a privacy properties of Google Bard and ChatGPT", "url": "https://nat.sakimura.org/2023/04/19/comparing-a-privacy-properties-of-google-bard-and-chatgpt/", "published_at": "2023-04-19T07:02:16+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80aff6c309", "title": "Open Wallet Foundation Launch", "url": "https://nat.sakimura.org/2023/02/24/open-wallet-foundation-launch/", "published_at": "2023-02-24T13:55:11+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80b06aabb9", "title": "Seven Principles of Digital Being", "url": "https://nat.sakimura.org/2023/01/19/seven-principles-of-digital-being/", "published_at": "2023-01-19T07:16:20+00:00" }, { "id": "01a0bba0-adb7-7258-a6b5-be80b0a0fbfa", "title": "[JUL 26 14:00 CET] BGIN Block #6 IKP WG Plenary – SBT, Selective Disclosure, etc –", "url": "https://nat.sakimura.org/2022/07/26/jul-26-1400-cet-bgin-block-6-ikp-wg-plenary-sbt-selective-disclosure-etc/", "published_at": "2022-07-26T06:38:18+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af3195207908", "title": "Web 5, Decentralized Identity and its ecosystem", "url": "https://nat.sakimura.org/2022/07/26/web-5-decentralized-identity-and-its-ecosystem/", "published_at": "2022-07-26T04:24:09+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af319522a09d", "title": "Global Identity GAINs Global Interoperability ", "url": "https://nat.sakimura.org/2022/07/02/global-identity-gains-global-interoperability/", "published_at": "2022-07-01T17:35:11+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af3195970c8c", "title": "Join “Identity in Conflict” (June 21) to help the Ukrainian situation", "url": "https://nat.sakimura.org/2022/06/13/join-identity-in-conflict-june-21-to-help-the-ukrainian-situation/", "published_at": "2022-06-12T16:00:07+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af319663bc28", "title": "Decentralized, Global, Human-Owned. The Role of IDM in an Ideal (If there is One) Web3 World", "url": "https://nat.sakimura.org/2022/05/10/decentralized-global-human-owned-the-role-of-idm-in-an-ideal-if-there-is-one-web3-world/", "published_at": "2022-05-10T10:09:31+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af3196bda3c2", "title": "Announcing GAIN: Global Assured Identity Network", "url": "https://nat.sakimura.org/2021/09/14/announcing-gain/", "published_at": "2021-09-13T17:40:00+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af3196d24357", "title": "My New Book: Digital Identity (in Japanese)", "url": "https://nat.sakimura.org/2021/09/09/my-new-book-digital-identity-in-japanese/", "published_at": "2021-09-08T17:08:12+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af31976b1beb", "title": "Identiverse: 7 Principles of Digital Being", "url": "https://nat.sakimura.org/2021/06/23/identiverse-7-principles-of-digital-being/", "published_at": "2021-06-23T14:58:31+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af3198445223", "title": "Identiverse: Where are we with SIOP and DID?", "url": "https://nat.sakimura.org/2021/06/18/identiverse-where-are-we-with-siop-and-did/", "published_at": "2021-06-17T17:07:21+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af319913af03", "title": "19th International Conference on Applied Cryptography and Network Security", "url": "https://nat.sakimura.org/2021/06/18/19th-international-conference-on-applied-cryptography-and-network-security/", "published_at": "2021-06-17T16:31:02+00:00" }, { "id": "01a0bba6-4b94-7052-8cea-af31998e3c72", "title": "OpenID Connect Avian Carriers Binding first draft imminent", "url": "https://nat.sakimura.org/2021/04/01/openid-connect-avian-carriers-binding-first-draft-imminent/", "published_at": "2021-04-01T14:59:00+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6ac756cfb", "title": "Fin/Sum 2021: Financial Services and Technologies in Post COVID-19 Era", "url": "https://nat.sakimura.org/2021/03/16/fin-sum-2021-financial-services-and-technologies-in-post-covid-19-era/", "published_at": "2021-03-16T11:31:50+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6acae5348", "title": "MyData 2020", "url": "https://nat.sakimura.org/2020/12/01/mydata-2020/", "published_at": "2020-12-01T02:54:26+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6ace58de0", "title": "[2020-07-27] SIOP Virtual Meetup #2", "url": "https://nat.sakimura.org/2020/07/25/2020-07-27-siop-virtual-meetup-2/", "published_at": "2020-07-25T12:47:16+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6ad89acad", "title": "Identiverse: So you want to base on Consent", "url": "https://nat.sakimura.org/2020/07/25/identiverse-so-you-want-to-base-on-consent/", "published_at": "2020-07-25T12:39:04+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6adaac044", "title": "[2020-07-21] Open Banking x OIDF Workshop", "url": "https://nat.sakimura.org/2020/07/25/2020-07-21-open-banking-x-oidf-workshop/", "published_at": "2020-07-25T12:21:55+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6ae0fdaf0", "title": "[2020-07-21] Financial Data Exchange + OIDF Workshop", "url": "https://nat.sakimura.org/2020/07/25/2020-07-21-financial-data-exchange-oidf-workshop/", "published_at": "2020-07-25T12:16:35+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6ae1f8390", "title": "[2020-07-16] Citi Client Advisory Board and Treasury Leadership Forum Day 3", "url": "https://nat.sakimura.org/2020/07/25/2020-07-16-citi-client-advisory-board-and-treasury-leadership-forum-day-3/", "published_at": "2020-07-25T12:11:15+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6aec17f82", "title": "The Law of Identity in SSI Era by Kim Cameron", "url": "https://nat.sakimura.org/2020/06/23/the-law-of-identity-in-ssi-era-by-kim-cameron/", "published_at": "2020-06-23T01:33:02+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6afa547e9", "title": "OpenID Summit Tokyo 2020 and side events Registrations are open", "url": "https://nat.sakimura.org/2019/12/06/openid-summit-tokyo-2020/", "published_at": "2019-12-06T08:02:24+00:00" }, { "id": "01a0bbab-61b4-72ec-b1df-8be6afb57e71", "title": "Why I started “Identity” ~ LINE x intertrust Security Summit 2019 Interview", "url": "https://nat.sakimura.org/2019/08/11/line-x-intertrust-security-summit-2019-interview-movie-now-available/", "published_at": "2019-08-11T14:30:17+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077570196b11", "title": "Is redirect flow intrusive? – 2 min. OAuth", "url": "https://nat.sakimura.org/2019/08/11/is-redirect-flow-intrusive-2-min-oauth/", "published_at": "2019-08-11T02:08:47+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-07757119205c", "title": "Comments back to “Transaction Authorization or why we need to re-think OAuth scopes” by Torsten", "url": "https://nat.sakimura.org/2019/05/12/comments-back-to-transaction-authorization-or-why-we-need-to-re-think-oauth-scopes-by-torsten/", "published_at": "2019-05-12T10:37:19+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077572172c5d", "title": "Happy 5th birthday, OpenID Connect!", "url": "https://nat.sakimura.org/2019/02/27/happy-5th-birthday-openid-connect/", "published_at": "2019-02-26T15:10:58+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-0775723a1ac8", "title": "Protecting the constitutional rights to privacy: Study Group on Platform Services recommends an interim report", "url": "https://nat.sakimura.org/2019/02/15/protecting-the-constitutional-rights-to-privacy-study-group-on-platform-services-recommends-an-interim-report/", "published_at": "2019-02-15T06:32:27+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-0775733062fc", "title": "My keynote @ EIC 2019", "url": "https://nat.sakimura.org/2019/02/15/my-keynote-eic-2019/", "published_at": "2019-02-15T04:39:34+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077573b96c0a", "title": "Serving another year as the Chairman of the OpenID Foundation", "url": "https://nat.sakimura.org/2019/02/15/serving-another-year-as-the-chairman-of-the-openid-foundation/", "published_at": "2019-02-15T04:04:01+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077574974bbc", "title": "Thank you for your support: OIDF Comunity Board Election", "url": "https://nat.sakimura.org/2019/02/09/thank-you-for-your-support-oidf-comunity-board-election/", "published_at": "2019-02-09T13:53:08+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077575328f5a", "title": "Estonian e-Residency Card: How to solve “Failed to send certificate!” error", "url": "https://nat.sakimura.org/2019/01/17/estonian-e-residency-card-failed-to-send-certificate/", "published_at": "2019-01-17T12:35:40+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077575fac94a", "title": "The Audience of Tokens – 2 min. OAuth #10", "url": "https://nat.sakimura.org/2018/12/31/the-audience-of-tokens-2-min-oauth-10/", "published_at": "2018-12-31T02:00:20+00:00" }, { "id": "01a0bbb0-5ff4-70e5-8447-077576d886ed", "title": "Celebrating the 200th anniversary of “Silent Night”", "url": "https://nat.sakimura.org/2018/12/24/celebrating-the-200th-anniversary-of-silent-night/", "published_at": "2018-12-24T14:59:41+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997991b8b6", "title": "Todo list for Self-Issued OP to achieve #self-sovereign-identity", "url": "https://nat.sakimura.org/2018/12/11/todo-list-for-self-issued-op/", "published_at": "2018-12-10T19:41:14+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997a1109df", "title": "My session at Trustech 2018 (Nov. 27) @ Cannes, France", "url": "https://nat.sakimura.org/2018/11/22/my-session-at-trustech-2018-nov-27-cannes-france/", "published_at": "2018-11-22T03:25:55+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997accfd88", "title": "Consumer Identity World APAC 2018 Keynote", "url": "https://nat.sakimura.org/2018/11/21/consumer-identity-world-apac-2018-keynote/", "published_at": "2018-11-20T23:11:39+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997ba772af", "title": "Facebook hack and OAuth User Authentication [2 min OAuth]", "url": "https://nat.sakimura.org/2018/10/09/facebook-hack-and-oauth-user-authentication-2-min-oauth/", "published_at": "2018-10-09T00:37:38+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997c2db98b", "title": "Blockchain X-Border talk with the tech community", "url": "https://nat.sakimura.org/2018/09/25/blockchain-x-border-talk-with-the-tech-community/", "published_at": "2018-09-25T01:53:36+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997c3e408a", "title": "Secret of Authorization Code [OAuth 2 min]", "url": "https://nat.sakimura.org/2018/08/11/secret-of-authorization-code-oauth-2-min/", "published_at": "2018-08-11T02:47:00+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997ccd2b3b", "title": "Where are Sender Constrained Token used in RFC6749?", "url": "https://nat.sakimura.org/2018/07/31/1482/", "published_at": "2018-07-31T13:44:38+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997cd019e1", "title": "2 mintues OAuth: Bearer and Sender Constrained Tokens", "url": "https://nat.sakimura.org/2018/07/23/2-mintues-oauth-bearer-and-sender-constrained-tokens/", "published_at": "2018-07-22T23:00:54+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997cd04a36", "title": "[2 minutes OAuth] #1 Basic Concepts", "url": "https://nat.sakimura.org/2018/07/16/2-minutes-oauth-1-basic-concepts/", "published_at": "2018-07-16T09:25:58+00:00" }, { "id": "01a0bbb6-078a-70d5-910e-38997d7b5448", "title": "CfC: Requirements for Self Sovereign Identity", "url": "https://nat.sakimura.org/2018/07/10/cfc-requirements-for-self-sovereign-identity/", "published_at": "2018-07-09T20:43:16+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b094867101a7", "title": "Merry Privmas!", "url": "https://nat.sakimura.org/2018/05/25/merry-privmas/", "published_at": "2018-05-24T23:35:49+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09486d34aea", "title": "My Slides for May 15 presentation at #EIC18", "url": "https://nat.sakimura.org/2018/05/16/my-slides-for-todays-presentation-at-eic18/", "published_at": "2018-05-15T22:44:18+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09487cd2f9c", "title": "Facebook, mydata, and Self Sovereign Identity", "url": "https://nat.sakimura.org/2018/04/13/facebook-mydata-and-self-sovereign-identity/", "published_at": "2018-04-13T12:55:34+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09487fa2e44", "title": "What encoding should a URI in OpenID and OAuth discovery document use for an internationalized domain name (IDN)?", "url": "https://nat.sakimura.org/2018/04/04/what-encoding-should-a-uri-in-openid-and-oauth-discovery-document-use-for-an-internationalized-domain-name-idn/", "published_at": "2018-04-03T15:06:26+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09488e517b9", "title": "Blockchain Use cases and Identity", "url": "https://nat.sakimura.org/2018/02/17/blockchain-use-cases-and-identity/", "published_at": "2018-02-16T15:25:10+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09489b34cc1", "title": "Seasons Greetings through Cantique de Noël (O Holy Night)", "url": "https://nat.sakimura.org/2017/12/21/seasons-greetings-through-cantique-de-noel-o-holy-night/", "published_at": "2017-12-21T01:28:16+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b09489e01eac", "title": "API Days Berlin 2017 Presentation", "url": "https://nat.sakimura.org/2017/11/09/1370/", "published_at": "2017-11-08T15:27:25+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b0948a72a4d5", "title": "Attack Vectors on Modern Cars – Side Effects of Automotive Digitalization", "url": "https://nat.sakimura.org/2017/05/10/attack-vectors-on-modern-cars-side-effects-of-automotive-digitalization/", "published_at": "2017-05-10T07:50:34+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b0948af8c765", "title": "APIDays 2016: Financial Grade OAuth & OpenID Connect", "url": "https://nat.sakimura.org/2016/12/14/apidays-2016-financial-grade-oauth-openid-connect/", "published_at": "2016-12-14T13:15:42+00:00" }, { "id": "01a0bbba-a729-701a-8e56-b0948bb0f3ed", "title": "Season’s greetings through Ave Verum Corpus K.618", "url": "https://nat.sakimura.org/2016/12/06/seasons-greetings-through-ave-verum-corpus-k-618/", "published_at": "2016-12-06T11:47:50+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c5b0e205", "title": "Fixing OAuth?", "url": "https://nat.sakimura.org/2016/07/20/fixing-oauth/", "published_at": "2016-07-20T08:19:21+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c5c7f6d2", "title": "Why is internet openness important? #OECDDigitalMX", "url": "https://nat.sakimura.org/2016/06/21/why-is-internet-openness-important/", "published_at": "2016-06-21T14:00:08+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c5e3c42d", "title": "FAPI Presentation at Open Data in Finance Conference @ London", "url": "https://nat.sakimura.org/2016/06/15/fapi-presentation-at-open-data-in-finance-conference-london/", "published_at": "2016-06-15T14:23:56+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c6618cc4", "title": "Open Data in Finance Conference: Chair’s Welcome", "url": "https://nat.sakimura.org/2016/06/15/open-data-in-finance-conference-chairs-welcome/", "published_at": "2016-06-15T09:00:24+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c7045434", "title": "GSA 18F’s unauthorized Slack use caused breach of 100 GSA Google Drives?", "url": "https://nat.sakimura.org/2016/05/14/gsa-18fs-unauthorized-slack-use-caused-breach-of-100-gsa-google-drives/", "published_at": "2016-05-14T01:49:09+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c732492c", "title": "Authorization Delegation: A financial accounts aggregation use case", "url": "https://nat.sakimura.org/2016/01/29/authorization-delegation-a-financial-accounts-aggregation-use-case/", "published_at": "2016-01-29T05:57:51+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c7e2109a", "title": "Cut and pasted code attack in OAuth 2.0 [RFC6749]", "url": "https://nat.sakimura.org/2016/01/25/cut-and-pasted-code-attack-in-oauth-2-0-rfc6749/", "published_at": "2016-01-25T13:40:02+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c888b154", "title": "Code phishing attack on OAuth 2.0 [RFC6749]", "url": "https://nat.sakimura.org/2016/01/22/code-phishing-attack-on-oauth-2-0-rfc6749/", "published_at": "2016-01-22T14:35:36+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c935d6a7", "title": "IdP Mix-up Attack on OAuth [RFC6749]", "url": "https://nat.sakimura.org/2016/01/15/idp-mix-up-attack-on-oauth-rfc6749/", "published_at": "2016-01-15T13:59:55+00:00" }, { "id": "01a0bbbf-1de5-730a-94b5-d936c9676584", "title": "Happy New Year!", "url": "https://nat.sakimura.org/2016/01/01/happy-new-year/", "published_at": "2016-01-01T05:32:25+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-847263cca630", "title": "On the XARA vulnerability on MacOS X and iOS", "url": "https://nat.sakimura.org/2015/06/19/on-the-xara-vulnerability-on-macos-x-and-ios/", "published_at": "2015-06-19T00:32:25+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-84726487eb1e", "title": "Apple’s answer to the in-secure use of in-app browser? — iOS 9 introduces SFSafariViewController", "url": "https://nat.sakimura.org/2015/06/09/ios9-sfsafariviewcontroller/", "published_at": "2015-06-09T08:10:00+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-847264cfa60c", "title": "JWS, JWT, and others now RFC!", "url": "https://nat.sakimura.org/2015/05/20/jws-jwt-and-others-now-rfc/", "published_at": "2015-05-20T03:02:09+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-847264d92351", "title": "Review Comments for draft-ietf-oauth-proof-of-possession-02", "url": "https://nat.sakimura.org/2015/03/26/review-comments-for-draft-ietf-oauth-proof-of-possession-02/", "published_at": "2015-03-25T22:08:24+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-847265605937", "title": "Seasons Greetings 2014", "url": "https://nat.sakimura.org/2014/12/24/1176/", "published_at": "2014-12-24T03:29:58+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-8472665c99cd", "title": "Making a Javascript OpenID Connect Client in 4 steps", "url": "https://nat.sakimura.org/2014/12/10/making-a-javascript-openid-connect-client/", "published_at": "2014-12-10T03:10:46+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-8472675745a6", "title": "Autumn Greetings from Japan", "url": "https://nat.sakimura.org/2014/11/10/autumn-greetings-from-japan/", "published_at": "2014-11-10T09:43:08+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-84726786d319", "title": "draft 02 of OpenID 2.0 to Connect Migration is now available", "url": "https://nat.sakimura.org/2014/08/07/draft-02-of-openid-2-0-to-connect-migration-is-now-available/", "published_at": "2014-08-07T03:34:56+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-847268558461", "title": "Public Review of UMA 0.9 is going on", "url": "https://nat.sakimura.org/2014/06/25/public-review-of-uma-1-0-is-going-on/", "published_at": "2014-06-25T03:16:31+00:00" }, { "id": "01a0bbc3-92b8-714a-92ea-8472686f09bb", "title": "New vulnerability on OpenSSL found", "url": "https://nat.sakimura.org/2014/06/06/new-vulnerability-on-openssl-found/", "published_at": "2014-06-05T17:48:24+00:00" } ] posts Claim your blog
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nat.sakimura.org

2026

When Software becomes Staff: Governance, Security & Safety for Agentic AIoriginal ↗
19 May 2026

2025

On NIST SP800-63-4 and the Binding Level of Assurance and account hijack possibilitiesoriginal ↗
10 Dec 2025
Trends and Insights from Identiverse 2025original ↗
18 Jun 2025
OpenID Foundation Workshop Recaporiginal ↗
8 Apr 2025
Authorized Push Payment (APP) Scams and EU’s Defence: PSD3 & Digital Identity Walletsoriginal ↗
5 Apr 2025

2024

The Evolution of Digital Identity: OpenID’s Journey (SIDI Hub Tokyo Opening Speech)original ↗
25 Oct 2024
NIST SP800-63-4 2pd Workshop Notesoriginal ↗
29 Aug 2024
Deepfake Damages Worth $40 billion? — The Impact of Generative AI on Identity and Countermeasuresoriginal ↗
25 Aug 2024
Summary of ABAC vs. ReBAC: An Authorization Policy Showdownoriginal ↗
25 Aug 2024
2nd Public Consultation for NIST SP800-63-4 Digital Identity Guidelines startedoriginal ↗
22 Aug 2024
Public consultation for EUDIW Implementing Act Startedoriginal ↗
13 Aug 2024
EU Anti-Money Laundering Packageoriginal ↗
3 Jul 2024
Key points of “Developing a Digital Identity Solution for Use by the Financial Sector Based Around eIDAS Trust Services”original ↗
2 Jul 2024
“#OIDC: Oh, It’s Damn Complex?!” — Today (June 7) 11:50 – Join us in Room A03-04, bcc Berlin Conference Centeroriginal ↗
7 Jun 2024
[June 4] Join us for a Keynote speech at the European Identity & Cloud Conference 2024 in Berlin titled “Les Miserables of the Cyber Frontier: The Dueling Narratives of Decentralized Identities.”original ↗
2 Jun 2024
The Miserable Society and the Identity System: The Dangers of Data Linking as Seen in Victor Hugo’s Les Misérables (2024 EU Version)original ↗
2 Jun 2024
Catch Up with Digital Identity Now — Recording of OpenID Foundation Workshop (Mon Apr.14) Available Noworiginal ↗
3 May 2024
Supplement to NIST SP800-63B was published. It adds passkey to AAL2original ↗
23 Apr 2024
[Youtube] Fallacy of Decentralisation: Between A and Z or Liberating Dream?original ↗
19 Apr 2024
Belated Seasons Greetingsoriginal ↗
29 Jan 2024

2023

Fallacy of Decentralisationoriginal ↗
30 Nov 2023
Digital Beingoriginal ↗
3 Nov 2023
Come to the Launch of the OECD Recommendation on the Governance of Digital Identity on Sept. 26original ↗
21 Sept 2023
Use your own domain for Managed Apple ID by supporting OpenID Connect, SCIM, and SSF even if you are not using Azure AD or Google Workspaceoriginal ↗
11 Jun 2023
The Laws of Identity in the era of Ubiquitous Identityoriginal ↗
1 Jun 2023
7 Whitepapers of OpenID Foundationoriginal ↗
30 May 2023
Comparing a privacy properties of Google Bard and ChatGPToriginal ↗
19 Apr 2023
Open Wallet Foundation Launchoriginal ↗
24 Feb 2023
Seven Principles of Digital Beingoriginal ↗
19 Jan 2023

2022

[JUL 26 14:00 CET] BGIN Block #6 IKP WG Plenary – SBT, Selective Disclosure, etc –original ↗
26 Jul 2022
Web 5, Decentralized Identity and its ecosystemoriginal ↗
26 Jul 2022
Global Identity GAINs Global Interoperability original ↗
1 Jul 2022
Join “Identity in Conflict” (June 21) to help the Ukrainian situationoriginal ↗
12 Jun 2022
Decentralized, Global, Human-Owned. The Role of IDM in an Ideal (If there is One) Web3 Worldoriginal ↗
10 May 2022

2021

Announcing GAIN: Global Assured Identity Networkoriginal ↗
13 Sept 2021
My New Book: Digital Identity (in Japanese)original ↗
8 Sept 2021
Identiverse: 7 Principles of Digital Beingoriginal ↗
23 Jun 2021
Identiverse: Where are we with SIOP and DID?original ↗
17 Jun 2021
19th International Conference on Applied Cryptography and Network Securityoriginal ↗
17 Jun 2021
OpenID Connect Avian Carriers Binding first draft imminentoriginal ↗
1 Apr 2021
Fin/Sum 2021: Financial Services and Technologies in Post COVID-19 Eraoriginal ↗
16 Mar 2021

2020

MyData 2020original ↗
1 Dec 2020
[2020-07-27] SIOP Virtual Meetup #2original ↗
25 Jul 2020
Identiverse: So you want to base on Consentoriginal ↗
25 Jul 2020
[2020-07-21] Open Banking x OIDF Workshoporiginal ↗
25 Jul 2020
[2020-07-21] Financial Data Exchange + OIDF Workshoporiginal ↗
25 Jul 2020
[2020-07-16] Citi Client Advisory Board and Treasury Leadership Forum Day 3original ↗
25 Jul 2020
The Law of Identity in SSI Era by Kim Cameronoriginal ↗
23 Jun 2020

2019

OpenID Summit Tokyo 2020 and side events Registrations are openoriginal ↗
6 Dec 2019
Why I started “Identity” ~ LINE x intertrust Security Summit 2019 Intervieworiginal ↗
11 Aug 2019
Is redirect flow intrusive? – 2 min. OAuthoriginal ↗
11 Aug 2019
Comments back to “Transaction Authorization or why we need to re-think OAuth scopes” by Torstenoriginal ↗
12 May 2019
Happy 5th birthday, OpenID Connect!original ↗
26 Feb 2019
Protecting the constitutional rights to privacy: Study Group on Platform Services recommends an interim reportoriginal ↗
15 Feb 2019
My keynote @ EIC 2019original ↗
15 Feb 2019
Serving another year as the Chairman of the OpenID Foundationoriginal ↗
15 Feb 2019
Thank you for your support: OIDF Comunity Board Electionoriginal ↗
9 Feb 2019
Estonian e-Residency Card: How to solve “Failed to send certificate!” errororiginal ↗
17 Jan 2019

2018

The Audience of Tokens – 2 min. OAuth #10original ↗
31 Dec 2018
Celebrating the 200th anniversary of “Silent Night”original ↗
24 Dec 2018
Todo list for Self-Issued OP to achieve #self-sovereign-identityoriginal ↗
10 Dec 2018
My session at Trustech 2018 (Nov. 27) @ Cannes, Franceoriginal ↗
22 Nov 2018
Consumer Identity World APAC 2018 Keynoteoriginal ↗
20 Nov 2018
Facebook hack and OAuth User Authentication [2 min OAuth]original ↗
9 Oct 2018
Blockchain X-Border talk with the tech communityoriginal ↗
25 Sept 2018
Secret of Authorization Code [OAuth 2 min]original ↗
11 Aug 2018
Where are Sender Constrained Token used in RFC6749?original ↗
31 Jul 2018
2 mintues OAuth: Bearer and Sender Constrained Tokensoriginal ↗
22 Jul 2018
[2 minutes OAuth] #1 Basic Conceptsoriginal ↗
16 Jul 2018
CfC: Requirements for Self Sovereign Identityoriginal ↗
9 Jul 2018
Merry Privmas!original ↗
24 May 2018
My Slides for May 15 presentation at #EIC18original ↗
15 May 2018
Facebook, mydata, and Self Sovereign Identityoriginal ↗
13 Apr 2018
What encoding should a URI in OpenID and OAuth discovery document use for an internationalized domain name (IDN)?original ↗
3 Apr 2018
Blockchain Use cases and Identityoriginal ↗
16 Feb 2018

2017

Seasons Greetings through Cantique de Noël (O Holy Night)original ↗
21 Dec 2017
API Days Berlin 2017 Presentationoriginal ↗
8 Nov 2017
Attack Vectors on Modern Cars – Side Effects of Automotive Digitalizationoriginal ↗
10 May 2017

2016

APIDays 2016: Financial Grade OAuth & OpenID Connectoriginal ↗
14 Dec 2016
Season’s greetings through Ave Verum Corpus K.618original ↗
6 Dec 2016
Fixing OAuth?original ↗
20 Jul 2016
Why is internet openness important? #OECDDigitalMXoriginal ↗
21 Jun 2016
FAPI Presentation at Open Data in Finance Conference @ Londonoriginal ↗
15 Jun 2016
Open Data in Finance Conference: Chair’s Welcomeoriginal ↗
15 Jun 2016
GSA 18F’s unauthorized Slack use caused breach of 100 GSA Google Drives?original ↗
14 May 2016
Authorization Delegation: A financial accounts aggregation use caseoriginal ↗
29 Jan 2016
Cut and pasted code attack in OAuth 2.0 [RFC6749]original ↗
25 Jan 2016
Code phishing attack on OAuth 2.0 [RFC6749]original ↗
22 Jan 2016
IdP Mix-up Attack on OAuth [RFC6749]original ↗
15 Jan 2016
Happy New Year!original ↗
1 Jan 2016

2015

On the XARA vulnerability on MacOS X and iOSoriginal ↗
19 Jun 2015
Apple’s answer to the in-secure use of in-app browser? — iOS 9 introduces SFSafariViewControlleroriginal ↗
9 Jun 2015
JWS, JWT, and others now RFC!original ↗
20 May 2015
Review Comments for draft-ietf-oauth-proof-of-possession-02original ↗
25 Mar 2015

2014

Seasons Greetings 2014original ↗
24 Dec 2014
Making a Javascript OpenID Connect Client in 4 stepsoriginal ↗
10 Dec 2014
Autumn Greetings from Japanoriginal ↗
10 Nov 2014
draft 02 of OpenID 2.0 to Connect Migration is now availableoriginal ↗
7 Aug 2014
Public Review of UMA 0.9 is going onoriginal ↗
25 Jun 2014
New vulnerability on OpenSSL foundoriginal ↗
5 Jun 2014
Next