[Openid-specs-ab] AB/C WG Pacific Meeting Notes (2025-08-04)

[Nat Sakimura]

Yup.

2025年8月6日(水) 11:16 <george at practicalidentity.com>:

> Thanks Nat. Maybe the “trx” string in the notes is a typo and should
> instead be “txn”?
>
> George Fletcher
> Identity Standards Architect
> Practical Identity LLC
>
>
>
> On Aug 5, 2025, at 9:06 PM, Nat Sakimura via Openid-specs-ab <
> openid-specs-ab at lists.openid.net> wrote:
>
> As I understand, this proposal is to introduce the txn claim into ID
> Token, but I may be wrong.
>
> Nat Sakimura
>
>
> 2025年8月6日(水) 0:51 <george at practicalidentity.com>:
>
>>
>>
>> On Aug 5, 2025, at 2:25 AM, Nat Sakimura via Openid-specs-ab <
>> openid-specs-ab at lists.openid.net> wrote:
>>
>> Transaction Identifier Claim
>>
>>    -
>>
>>    Proposer: Dima Postnikov
>>    - Background: trx Claim was removed from eKYC specification as too
>>    generic for identity assurance
>>    - Use Case: Commercial ecosystems need to trace transactions after
>>    performance, especially for identity sharing
>>    - Existing Work: References SEC events transaction identifier
>>    - Proposal: Create a separate OpenID Connect specification to define
>>    usage in ID tokens
>>    - Process: Michael offered to help create GitHub repository for the
>>    specification
>>    -
>>
>>    Precedent: Referenced unmet authentication requirements spec that
>>    defined only an error code
>>
>> How is this claim different from that being used in the OAuth Transaction
>> Tokens spec as specified by the Security Event Token RFC 8417 section 2.2?
>>
>>
>>    "txn" (Transaction Identifier) Claim
>>       An OPTIONAL string value that represents a unique transaction
>>       identifier.  In cases in which multiple related JWTs are issued,
>>       the transaction identifier claim can be used to correlate these
>>       related JWTs.  Note that this claim can be used in JWTs that are
>>       SETs and also in JWTs using non-SET profiles.
>>
>>
>>
>>
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