Resources

Would you like to sign a document by email in a fast and easy way? At Viafirma we are obsessed…

We explain what the ID 4.0, also known as the European ID, is and all the new features it includes

Haven’t you tried signing documents online yet? We tell you about its main advantages and why you should incorporate the remote signature in your company

Have you ever tried to sign a document digitally? We show you how you can validate your business agreements in a simple way with Viafirma

Learn the difference between digital certificate and digital signature and how to use each of them efficiently in your company

Do you know how to verify a digital signature? Many people ask this question when dealing with important documents. We give you the keys!

Learn the main differences between digital signature vs digital certificate to better understand when to use each one efficiently

Are you wondering how to sign a pdf on your mobile? We explain the steps to follow and how Viafirma’s business solutions allow you to optimize and strengthen the security of your signature processes.

Are you wondering how to insert a digital signature in PDF? We present you different alternatives with different degrees of security

Have you ever heard of XAdES? There are multiple signature formats due to historical reasons, how e-signatures have been introduced into existing document formats along with features added over time.

Are you wondering which is the best application for signing documents? There are numerous options, but not all of them have the maximum security and legal guarantee

The timestamping is a term widely used in the field of electronic signature. It may seems to have an obvious…

We tell you how to get the digital certificate and how to check its validity. We also explain all its uses and utilities

Do you know the purpose of the CAdES format? Today, running a business is not just about going paperless, but…

What exactly is PAdES format? Digital documents are increasingly being signed electronically. Once they are registered they must be stored correctly – sometimes for several years and in other cases permanently.

To find out if a document is electronically signed, just open it in Adobe and examine it – here’s how to do it!

PDF 417 is a barcode that can be used to recognise almost any item and also to identify a signature