---
id: "ubisecure-understanding-vlei-keri"
type: "article"
type_label: "Articles, press releases and opinion"
title: "Understanding vLEI and the use of KERI architecture (Ubisecure)"
maintainer: "Ubisecure (Petteri Stenius)"
authors:
  - "Petteri Stenius"
date: "2024-01-04"
year: 2024
reading_level: "practitioner"
reading_level_label: "Practitioner"
reading_level_meaning: "architects, product people and adopters who know identity systems"
evidence: "informative"
evidence_meaning: "an author's paper, deck, tutorial or post explaining the suite"
status: "active"
status_meaning: "changed within the last six months, or a live service"
access: "public"
access_meaning: "anyone with the link"
topics:
  - "learning"
  - "deployments"
roles:
  - "developer"
  - "infrastructure-operator"
  - "product"
  - "communications"
  - "investor"
  - "business-development"
source_url: "https://www.ubisecure.com/legal-entity-identifier-lei/understanding-vlei-keri-architecture/"
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: "2026-10-21"
kskb_url: "https://kskb.dev/cards/ubisecure-understanding-vlei-keri/"
kskb_app_url: "https://kskb.dev/#item/ubisecure-understanding-vlei-keri"
kskb_record_url: "https://kskb.dev/data/kskb/resources/ubisecure-understanding-vlei-keri"
kskb_markdown_url: "https://kskb.dev/export/cards/ubisecure-understanding-vlei-keri.md"
---

# Understanding vLEI and the use of KERI architecture (Ubisecure)

An explainer covering the Signify, agent, witness and verifier roles, the key event log, pre-rotation, delegation, multisig and the vLEI trust chain. Read 21 October 2026.

Labels: reading level Practitioner; evidence informative (an author's paper, deck, tutorial or post explaining the suite).
Source: https://www.ubisecure.com/legal-entity-identifier-lei/understanding-vlei-keri-architecture/ (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/).