---
id: "papers-acdc-ipex-negotiation"
type: "paper"
type_label: "Papers and paper collections"
title: "ACDC IPEX Negotiation"
maintainer: "Samuel M. Smith (attributed by the repository; the document names no author)"
authors:
  - "Samuel M. Smith (attributed by the repository"
  - "the document names no author)"
date: "2026-07"
year: 2026
reading_level: "implementer"
reading_level_label: "Implementer"
reading_level_meaning: "developers working in or against the code"
evidence: "informative"
evidence_meaning: "an author's paper, deck, tutorial or post explaining the suite"
status: "superseded"
status_meaning: "replaced by a named successor; kept for history"
access: "public"
access_meaning: "anyone with the link"
topics:
  - "specifications"
  - "implementations"
roles:
  - "developer"
  - "security-architect"
  - "infrastructure-operator"
  - "standards-policy"
  - "researcher"
source_url: "https://github.com/SmithSamuelM/Papers/blob/master/whitepapers/ACDC_IPEX_Negotiation.pdf"
source_license: null
source_license_note: null
found_on: "smith-papers"
kerisse_credit: false
abstract_license: "CC BY 4.0"
abstract_license_url: "https://creativecommons.org/licenses/by/4.0/"
abstract_attribution: "KSKB, the KERISuite Knowledge Base (https://kskb.dev/)"
last_checked: "2026-10-15"
kskb_url: "https://kskb.dev/cards/papers-acdc-ipex-negotiation/"
kskb_app_url: "https://kskb.dev/#item/papers-acdc-ipex-negotiation"
kskb_record_url: "https://kskb.dev/data/kskb/resources/papers-acdc-ipex-negotiation"
kskb_markdown_url: "https://kskb.dev/export/cards/papers-acdc-ipex-negotiation.md"
---

# ACDC IPEX Negotiation

Working design notes on negotiating graduated disclosure of Authentic Chained Data Containers (ACDCs) under the Issuance and Presentation Exchange (IPEX) protocol, using a composed schema identifier as type and attribute path lists, with clarifications on the issuee field in aggregate ACDCs and open questions on presentation registries for SEDI (State Endorsed Digital Identity). For implementers of ACDC and IPEX.

Labels: reading level Implementer; evidence informative (an author's paper, deck, tutorial or post explaining the suite).
Source: https://github.com/SmithSamuelM/Papers/blob/master/whitepapers/ACDC_IPEX_Negotiation.pdf (license not recorded).
The abstract is KSKB's own text under Creative Commons Attribution 4.0 (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/; credit KSKB, the KERISuite Knowledge Base (https://kskb.dev/).