Skip to content
Saturday, June 07, 2025
  • Follow me on Twitter
  • Subscribe to Youtube
  • LinkedIn
  • Follow me on Twitter
  • Subscribe to Youtube
  • LinkedIn

.Nat Zone

Digital Identity and Privacy
.Nat Zone
Digital Identity and Privacy
  • About Nat Sakimura
.Nat Zone
Digital Identity and Privacy
  • Follow me on Twitter
  • Subscribe to Youtube
  • LinkedIn

Author: Nat

Having been working on Digital Identity since 2000. Co-author of various identity related specifications like OpenID Connect, JSON Web Token. Chair of the OpenID Foundation (2011-) Vice Chair of the OpenID Foundation (2010), Founder of OpenID Foundation Japan (2008-), Trustee of Kantara Initiative (2009-).
OAuth OpenID Connect

What encoding should a URI in OpenID and OAuth discovery document use for an internationalized domain name (IDN)?

Nat April 4, 2018 No Comments discoveryjsonJWTpunycodeRFC3986UTF-8

So, what encoding should a URI in OpenID Connect and OAuth discovery document use for an internationalized domain name such as “müsik.example.com”? . One option is…

View More What encoding should a URI in OpenID and OAuth discovery document use for an internationalized domain name (IDN)?
identity OpenID Connect security

Blockchain Use cases and Identity

Nat February 17, 2018 No Comments Self Issued IdentitySelf Issued IdPSelf-sovereign Identity

I just came across with Don Tapscott’s TED Talk titled “How the blockchain is changing money and business” . In it, he talks about 5 potential…

View More Blockchain Use cases and Identity
Music

Seasons Greetings through Cantique de Noël (O Holy Night)

Nat December 21, 2017 No Comments Holiday music

Seasons Greetings 2017 This year, we have decided to record Adolphe Adam’s Cantique de Noël (O Holy Night) as our original greeting card. It is…

View More Seasons Greetings through Cantique de Noël (O Holy Night)
Financial API OAuth OpenID Connect

API Days Berlin 2017 Presentation

Nat November 9, 2017 No Comments APIdaysBerlin

Here is the slide I used for APIDays Berlin 2017: Banking APIs and PSD2 — The finish line for PSD2 and Open Banking. A couple of…

View More API Days Berlin 2017 Presentation
security

Attack Vectors on Modern Cars – Side Effects of Automotive Digitalization

Nat May 10, 2017 No Comments automotiveCAN Buseic17IoT

The keynote presentation at the #EIC17 by Stephan Gerhager was an intriguing one. It amply told us that the security model around cars is really scary.…

View More Attack Vectors on Modern Cars – Side Effects of Automotive Digitalization
Financial API identity OAuth OpenID Connect OpenID Foundation security

APIDays 2016: Financial Grade OAuth & OpenID Connect

Nat December 14, 2016 No Comments APIAPIdaysOpen BankingPSD2

Here is the slide I used in API Days Paris 2016, for the Banking track. Direct link to slideshare: http://www.slideshare.net/nat_sakimura/financial-grade-oauth-openid-connect Hope they are useful.

View More APIDays 2016: Financial Grade OAuth & OpenID Connect
Music

Season’s greetings through Ave Verum Corpus K.618

Nat December 6, 2016 No Comments Ave Verum CorpusfluteMozart

Season’s greetings 2016 This year, we have decided to record Wolfgang Amadeus Mozart’s Ave Verum Corpus (KV.618) as our original greeting card. It is only…

View More Season’s greetings through Ave Verum Corpus K.618
Financial API OAuth security

Fixing OAuth?

Nat July 20, 2016 No Comments cut-n-pasteFAPImix-up attackOAuthRFC6749RFC6750

On the 14th and 15th of July, we had the OAuth Security Workshop 2016 at the University of Trier. Further, we had a IETF 96 side meeting…

View More Fixing OAuth?
privacy security

Why is internet openness important? #OECDDigitalMX

Nat June 21, 2016 No Comments #OECDDigitalMX4th Industrial RevolutionDigital DeflationEthicsITACOECDTUAC

(Following is the transcript of my speech at the TUAC Forum at the 2016 OECD Ministerial on the Digital Economy) Q. Why is access to an…

View More Why is internet openness important? #OECDDigitalMX
identity OAuth OpenID Connect OpenID Foundation privacy security

FAPI Presentation at Open Data in Finance Conference @ London

Nat June 15, 2016 No Comments #odfFAPIFianncial APIPSD2

Here is the presentation file that I used for my 10 minutes OpenID Foundattion Financial API WG presentation at the Open Data in Finance Conference ( June 15,…

View More FAPI Presentation at Open Data in Finance Conference @ London

Posts pagination

Previous page Page 1 … Page 7 Page 8 Page 9 … Page 27 Next page

Categories

Archives

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org

OpenID Connect in a nutshell

Nat January 20, 2012 39 Comments

Write an OpenID Connect server in three simple steps

Nat July 28, 2013 31 Comments
Fig.3 OpenID Connect Authentication

Dummy’s guide for the Difference between OAuth Authentication and OpenID

Nat May 15, 2011 26 Comments

Making a Javascript OpenID Connect Client in 4 steps

Nat December 10, 2014 26 Comments
GAIN Intro Slide title page

Announcing GAIN: Global Assured Identity Network

Nat September 14, 2021 10 Comments
[…] (日本語機械翻訳。英語原文はこちら) […]
The Evolution of Digital Identity: OpenID’s Journey (SIDI Hub Tokyo Opening Speech) – @_Nat Zone
November 12, 2024 @ 4:30 AM
[…] conference’s content director, I...
[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.” – .Nat Zone
June 2, 2024 @ 9:41 PM
[…] this session was planned...
[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.” – .Nat Zone
June 2, 2024 @ 9:35 PM
[…] this session was planned...
[June 4]I 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.” – .Nat Zone
June 2, 2024 @ 9:31 PM
[…] is the adoptation of...
The Miserable Society and the Identity System: The Dangers of Data Linking as Seen in Victor Hugo’s Les Misérables (2024 EU Version) – .Nat Zone
June 2, 2024 @ 7:04 PM
#Certification #cis2012 #EIC18 #eKYC #idnetity #odf #OECDDigitalMX #PowerToThePeople +1 4th Industrial Revolution ab adoption aggregated claims AI Amazing Grace AML API APIdays APP Scams Apple authentication Authorizaiton Server automotive Ave Verum Corpus Berlin BitCoin Blockchain Book BrowserID CAN Bus cat10 cembalo Certification ChatGPT Christmas cimbalom Citi claims code phishing connect cookie CPE Bach cut-n-paste cx data breach data leakage DataRights delegation DID Digital Deflation Digital Identity discovery distributed claims Distributed Ledger e-Residency Card eDIAS eic17 eic2013 EIC2022 eIDAS encryption error Estonia Ethics EU EU AMLR EU DI Wallet EUDIW facebook FAPI FDX federated identity fedlab Fianncial API Fintech flute GAIN GDPR Google Google Bard gov2.0 Governance government systems HoK Holiday music ID2020 idcon iddy identifier identity Identity Assurance Identity Ecosystem Identity in Conflict Identiverse IdP ietf IETF 92 iiw Implementer's Draft IoT ITAC japan json JWS JWT Kantara Les Miserables Linux Foundation LoA Managed Apple ID marimba MCP mix-up mix-up attack mobile MODRNA Mozart MyData National Identity NIST NSTIC nttdocomo oath2 OAuth OAuth 2.0 Authentication OAuth Authentication OAuth IdP Mix-up attack OECD OIDC oidf oidf-j Open Banking Open Finance open source openid OpenID 2.0 OpenID Connect OpenID Foundation Workshp openid/abc OpenSSL OpenWallet passkeys password persona phishing PID privacy Privmas Protected resource PSD2 PSD3 punycode refugee regulations relationship response_type RFC RFC3986 RFC6749 RFC6750 rp saml SBT SCIM scope scopes seasons greeting security Sef-issued identity Self Issued Identity Self Issued IdP Self-issued OP Self-sovereign Identity Shared Signals Siciliano signature SIIdP SIOP slack SP800-63 Specs spinet SSF SSI test Tokens tracking trust trust framework TUAC twitter UK Open Banking Ukraine uma UTF-8 VC Verifiable Credentials video vote W3C wallet wallets Web3 Web5 XARA xrds Youtube
  • Follow me on Twitter
  • Subscribe to Youtube
  • LinkedIn
.Nat Zone | Designed by: Theme Freesia | WordPress | © Copyright All right reserved
 

Loading Comments...
 

You must be logged in to post a comment.

    We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.Ok