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.Nat Zone

Digital Identity and Privacy
.Nat Zone
Digital Identity and Privacy
  • About Nat Sakimura
.Nat Zone
Digital Identity and Privacy
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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-).
OpenID Connect

Guidance on which grant / flow to use for OpenID Connect

Nat October 30, 2013 No Comments

Many people seem to ask for the guidance on which grant / flow to use in OpenID Connect. Here is my straw-man answer. Conditions /…

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identity privacy

Password tax to cope with negative externalities

Nat October 30, 2013 No Comments

A Japanese newspaper run a article that 60% of the people uses same password over different web sites . In fact, it is hardly a…

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identity OpenID Connect

Refactoring OpenID Connect Drafts

Nat August 27, 2013 2 Comments

After the Berlin OpenID AB/C WG F2F meeting, I have been trying to refactor the Connect suites into more palatable form. I am supposed to…

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OpenID Connect

What to read when you want to build OpenID Connect

Nat July 28, 2013 1 Comment

OpenID Connect has many components. Sometimes, it seems confusing what to read for a new reader, or worse, intimidating. Here is a flow chart I…

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OAuth OpenID Connect

Write an OpenID Connect server in three simple steps

Nat July 28, 2013 31 Comments OAuth Authentication

An OpenID Connect server is just an OAuth 2.0 server on steroids. What it does it to return the ID Token, which contains information about…

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identity OAuth OpenID Connect privacy

Identity, Authentication + OAuth = OpenID Connect

Nat July 5, 2013 5 Comments
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identity privacy

More on Personal Data working group report

Nat May 15, 2013 No Comments eic2013

So, during the Kantara Initiative’s Information Sharing working group call, which happend between 1:30am and 2:30am here in Munich, Joe Andreu kindly pointed out that…

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identity privacy

Info Sharing Label became the top story of Nikkei newspapers in Japan!

Nat May 10, 2013 No Comments

Ministry of Economy, Trade and Industry (METI) of Japan announced the publishing of the report on the personal data usage by corporations[0] . It is…

View More Info Sharing Label became the top story of Nikkei newspapers in Japan!
identity OAuth OpenID Connect OpenID Foundation privacy

Explicit Consent – Turning Internet Dog into Pavlov’s Dog

Nat March 1, 2013 8 Comments

People like me who is working on internet identity space is trying to solve so called “Internet Dog Problem.” You surely must have seen this…

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identity OAuth OpenID Connect

Alice to Bob resource sharing

Nat March 1, 2013 4 Comments uma

So I was in UMA call today and that reminded me of this use case. How does Alice share her protected resources (like medical test…

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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
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