---
id: "veridian"
type: "organization"
type_label: "Organizations"
title: "Veridian"
maintainer: "Veridian (a Cardano Foundation spin-out; co-founders Thomas A. Mayfield, CEO, and Fergal O'Connor, CTO)"
authors: []
date: null
year: null
reading_level: "practitioner"
reading_level_label: "Practitioner"
reading_level_meaning: "architects, product people and adopters who know identity systems"
evidence: "vendor-reported"
evidence_meaning: "a company's account of its own product or deployment"
status: "active"
status_meaning: "changed within the last six months, or a live service"
access: "public"
access_meaning: "anyone with the link"
topics:
  - "deployments"
roles:
  - "infrastructure-operator"
  - "product"
  - "communications"
  - "investor"
  - "business-development"
source_url: "https://veridian.id/"
source_license: null
source_license_note: null
found_on: null
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: "2026-10-16"
kskb_url: "https://kskb.dev/cards/veridian/"
kskb_app_url: "https://kskb.dev/#item/veridian"
kskb_record_url: "https://kskb.dev/data/kskb/resources/veridian"
kskb_markdown_url: "https://kskb.dev/export/cards/veridian.md"
---

# Veridian

Veridian, a Swiss company spun out of the Cardano Foundation, builds identity infrastructure on KERI (Key Event Receipt Infrastructure) and ACDC: an open-source mobile wallet for iOS, Android and GrapheneOS, tooling for issuing vLEI credentials, services for Utah's State-Endorsed Digital Identity (SEDI) program, and an age-verification API, by its own account. It states that it holds maintainer status on KERIA and SignifyTS. For readers following which companies ship KERI products.

Labels: reading level Practitioner; evidence vendor-reported (a company's account of its own product or deployment).
Source: https://veridian.id/ (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/).