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Glossary

Qualified Electronic Signature (QES)

A qualified electronic signature (QES) is the highest level of e-signature under eIDAS — it requires a qualified certificate and a qualified signature creation device (QSCD).

Full Definition

QES has the same legal weight as a handwritten signature in all EU member states. It is mandatory for notarial acts, certain administrative proceedings and submissions to authorities. It requires biometric or physical identification (in-person visit, eID card). zipzipdoc creates an advanced signature (AdES), not QES — which covers 95% of ordinary business needs without requiring physical identification.

Related terms

Advanced Electronic Signature eIDAS Security & Compliance
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