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How to electronically sign a PDF document

Here’s how to electronically sign a PDF and how Viafirma can help automate complex signing processes

6 Types of digital signature features

How many types of digital signature features are available? It’s hard to find the one that best tailors each requirement. Lets try to clarify all of them and explain how Viafirma helps automate processes

Can we forge a signature?

Is it easy to forge a signature? Fraud is a common problem in the digital world, therefore cyber security is much needed. As a result, users ask themselves if eSignatures are saf.e Let us clarify these questions in this article.

How to sign your lease online

Interested in how to sign your lease online? The Covid-19 crisis has forced real estate companies to digitally transform their processes. As a result, they are now increasing their productivity and taking advantage of new business opportunities. In this context, eSignatures are powerful assets for this sector allowing to close contracts faster, avoiding unnecessary travel […]


Have you ever heard about timestamps? Here’s why you should consider it when working with electronic documents.

Success stories: Netcontent using Viafirma eSignature

Managing paper documents is by far one of the most time consuming tasks in any company. ECM solutions like Netcontent, together with Viafirma’s solutions for eSignature help to optimize these tasks.


Do you know the purpose of the CAdES format? Today, running a business is not just about going paperless, but also creating a truly integrated and seamless workflow to automate tedious business processes like sending documents for signature. To this end, the CAdES format is one of the best options to automate and streamline signing […]


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.

Digital signature vs. digital certificate

Some people believe digital certificates and digital signatures are the same thing. These two terms are often used as synonyms, but the fact is that they aren’t, even though they are often used in the same field of technology. In this article we will take a closer look at each one and explain their main features.


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

How to check if a document has been electronically signed

Users often question whether a document has been electronically signed. All we need to do is open the pdf file that contains all the signature data and legal evidence to know if it was eSigned correctly..

Biometric signature

Are you aware of the use of biometric signatures? In today’s world, fostering a digital culture in a company is essential for any process. To do this, a correct digital transformation will help us protect our entity and automate processes. A digital signature solution without requiring an electronic certificate Overall, digital signatures have long been […]

Electronic signature options for cell phones

Signing from a cellphone has been around for several years, but not all signatures are the same. That is why today we are going to explain the most common types of eSignatures for phones and the main differences between them.

Digitized signatures

Do you know the purpose of digitized signatures? Technology advances have encouraged companies to digitize their documents. Indeed, digitized signatures offer users the possibility to easily add a signature to a digital document, although, on the other hand, the level of security they offer is very low.

Qualified electronic signatures

What are qualified electronic signatures? Many people share this question, and though at first they believe that it is the most suitable because it provides full legal guarantees, we will see below that it is also the most complex to use. What is a qualified electronic signature? Is an electronic signature that is based on […]