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

Invalid Date by Philipp Gernerth

(Qualified) digital signatures created with sproof sign are standards-compliant and embedded in the PDF document. These can be verified 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 evidential value of digital SIgnature.

Why sproof sign?Highest security and compliance paired with an "all-in-one" functionality make sproof sign the top European alternative on the e-signature platform market. 100% developed and hosted in Europe.

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sproof sign is currently the highest-rated e-signature provider on the independent review platform OMR Reviews and has also been certified by CRIF GmbH with the 'ESG SCORE: A' for sustainability.

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