How can I be sure that the (qualified) digital signature is valid?

(Qualified) digital signatures created with sproof sign are standard-compliant and embedded in the PDF document. These can be checked with common programs (e.g. Adobe Acrobat Reader) or with online verification tools (e.g. the RTR verification service, signature verification). Learn more about the verifiability and evidentiary value of digital SIgnatur.

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Other FAQs

  • Is an electronic signature tamper-proof?

    Depending on the type of signature, electronic signatures offer a high level of protection against forgery and tampering. In the…

  • What is the Digital Signature Act in Austria?

    The Austrian Signature Act (SigG) originally established the legal framework for electronic signatures in Austria. However, it was repealed on…

  • When is an advanced electronic signature (AES) required?

    An advanced electronic signature (AES) is suitable for documents with heightened liability, proof, or security requirements. It is uniquely associated…

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