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B2C – sign2023-01-31T14:15:47+01:00

Sign

No more handwritten signatures!

Need to sign a contract? With AUTHADA it’ s completely digital! With your ID card, ID card PIN and smartphone, you can create a qualified electronic signature (QES) in less than one minute – flexible and in real time!

Digital.

  • It’s quick and convenient.
  • It costs nothing and saves paper.

Flexible.

  • Opening hours? Making an appointment? So last century!
  • You decide on the time and the place.

Secure.

  • We protect your identity
  • and your data.

How to digitally sign with AUTHADA in just a few steps

Are you a business customer?

Are you interested in using our solution in your company? Please visit our business customer area for more information.

More information

Frequently Asked Questions

Security and legal validity

Who is the provider of the Qualified Electronic Signature?2023-01-30T16:34:53+01:00

AUHTADA is a provider for the creation of a Qualified Electronic Signature. The digital signature solution AUTHADA sign was developed together with the qualified trust service provider InfoCert.   

  Further information about our partner Infocert can be found here.

Is AUTHADA sign secure?2023-01-30T16:33:47+01:00

Yes! With AUTHADA sign you sign with a Qualified Electronic Signature (QES), which is the most secure digital signature procedure according to the eIDAS regulation

Is my signature legally valid with a digital signature?2023-01-30T16:33:22+01:00

If your service provider uses AUTHADA sign for the digital signature, you can rest assured and sign contracts digitally in a legally valid way

Who is the service provider?2023-01-30T16:30:29+01:00

The service provider is the provider for whom you want to sign with AUTHADA. This can be, for example, a financial institution (e.g. a bank or broker), a telephone provider, an insurance company or an online store.

Usage and function

Who can use AUTHADA sign?2023-01-30T16:36:46+01:00

You can use AUHTADA sign with all service providers that have integrated our service. You can tell whether your service provider has integrated AUTHADA sign by the fact that you are redirected to AUTHADA sign at the appropriate point or prompted to use AUTHADA sign for your signature.  

What is a digital signature?2023-01-30T16:36:23+01:00

The digital signature serves as an alternative to the classic handwritten signature. It makes it possible to add a signature to documents regardless of location. There are different digital signature variants, which are used depending on the security factor and application area.  

With AUTHADA sign you sign with a Qualified Electronic Signature (QES).   

For more information on Qualified Electronic Signature (QES), please click here.

What is a Qualified Electronic Signature (QES)?2023-01-30T16:35:16+01:00

The Qualified Electronic Signature is a digital signature with which you can replace a handwritten signature. With AUTHADA sign you can create a Qualified Electronic Signature and thus digitally sign documents with legal formal requirements or high liability risk.

The Qualified Electronic Signature (QES) is the most secure digital signature procedure according to the eIDAS regulation. 

How do I create a digital signature with AUTHADA sign?2023-01-30T16:32:29+01:00

With AUTHADA sign you can create a legally valid digital signature securely and quickly. All relevant regulatory principles are taken into account.   

How to create a Qualified Electronic Signature (QES) with sign:  

  1. identify yourself digitally with the AUTHADA app.  Successful identification is the prerequisite for the digital signature with sign. Fore more information klick here.
  2.  Now you can view the documents to be signed again in AUTHADA sign. If you want to sign the documents, click on the corresponding button.  
  3.  As an additional security factor, a one-time password will be sent to your cell phone via SMS. After entering the one-time password in AUTHADA sign, the creation of the Qualified Electronic Signature is triggered – thus you have successfully signed digitally.  
Why do I have to identify myself to sign with AUTHADA sign?2023-01-30T16:31:49+01:00

For a digital signature with AUTHADA sign, through the Qualified Electronic Signature (QES), a two-factor authentication is required, which you fulfill directly with our service AUTHADA sign using the identification. This ensures that no one signs documents on your behalf. This is a regulatory basis and provides you with an all-around secure signing service.   

You can find more information about identification here.

What do I need to sign with AUTHADA sign?2023-01-30T16:30:53+01:00

For a digital signature with AUTHADA sign, through the Qualified Electronic Signature (QES), a two-factor authentication is required, which is directly integrated in our service.  

For this you only need:   

  • the AUTHADA app 
  • your ID card and   
  • the corresponding ID PIN  

For more information about the AUTHADA app, your ID card and the corresponding ID card PIN, please click here.

Your question was not included? We are glad to help you!

You have a question and can’t find its answer in our FAQs? Send us a message.

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