Identity in the Digital Society
The UbID Approach
Paradigma SpA · July 2026 · ~45 min read
A comprehensive analysis of what it means to build trustworthy, privacy-preserving digital identity in a world of centralised databases, escalating fraud, and rapidly evolving regulations. This document covers the full UbID architecture: from cryptographic primitives to regulatory compliance profiles across 15+ jurisdictions.
Identity in the Digital Society
Paradigma SpA, 2026
What the White Paper Covers
The Identity Problem
Why the current centralised model fails individuals and institutions — and why architecture, not just security technology, is the root cause.
The UbID Approach
Person-centred identity as a continuously managed set of relationships between people, credentials, devices, keys, and policies.
Selective Disclosure
SD-JWT, W3C VC 2.0, and ZKP patterns that let holders prove facts without revealing documents.
Zero-Trust Architecture
How private keys stay exclusively on the holder's device, and why the Issuer → Holder → Verifier model eliminates central attack surfaces.
Distributed Recovery
Threshold cryptography, TEE-attested shard release, and how account recovery becomes a first-class security protocol.
Post-Quantum Readiness
Progressive migration to ML-KEM-768 and ML-DSA-65 (NIST FIPS 203/204) without breaking ecosystem interoperability.
Regulatory Compliance
Versioned control profiles for 15+ jurisdictions: Chile Ley 21.719, GDPR/eIDAS 2.0, LGPD, CCPA, PIPEDA, PIPA, PDPO, and more.
Governance & Accountability
How the Issuer/Holder/Verifier separation distributes responsibility without creating single points of control.
Jurisdictions Covered
Standards Referenced
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