From Cryptographic Chaos to the EUDI Wallet: Integrated PKI Strategy and eIDAS 2.0 Compliance

Without a coherent trust infrastructure, organizations inevitably slide into “cryptographic chaos.” Keys are created ad hoc, shared through unsecured channels, and left without centralized oversight. Such practices quietly increase operational risk and cost, while incidents involving expired or compromised certificates become a leading cause of service disruptions.

This white paper guides you through the essential aspects of modern infrastructure—from the practical application of PKI and key concepts of automation and crypto-agility, to understanding the legal trust framework defined by the European Union. Particular emphasis is placed on the role of the Qualified Trust Service Provider (QTSP), analyzing core trust services and the evolution of regulation through the lens of eIDAS 2.0.

The aim of this document is to provide a clear and comprehensive path from chaos to a compliant, automated, and legally supported digital trust infrastructure.