A brief explanation about the electronic signatures

Learn more about the possibilities and benefits of signing digitally

What is an electronic signature?

An electronic signature is your signature in an electronic environment. Not only it can confirm your identity, but also perform many actions online. For example:

Connection to electronic banking

Signing eDocuments

Use e-Government systems

Connecting to various self-service platforms of service providers

signing a document

Security levels of electronic signatures

The electronic signature has several different levels of security as defined in Regulation (EU) No 182/2011 of the European Parliament and of the Council. Regulation (EU) No 910/2014 on electronic identification and trust services for electronic transactions, abbreviated as the eIDAS Regulation, is valid throughout the European Union.

Electronic Signature

signing document with a huge pen

Electronic Signature

Data in electronic form are linked to other data in electronic form and used to sign by a person

Security Level:


A signature in e-mails can be considered an electronic signature

Your signature on the courier’s tablet when you pick up a shipment, if it is agreed that such signing action will be considered valid

Advanced Electronic Signature

Linked to the signatory, created using electronic signature creation data that can only be used very reliably by the signer himself. It is linked to the data in such a way that any change is visible and enables the signatory to be identified

Security Level:


A signature that is confirmed by a signing certificate. A great example of such a signature is authentication with a Smart-ID app or mobile signature

Advanced Electronic Signature

signing document with phone

Qualified Electronic Signature

signing a document with pc

Qualified Electronic Signature

An advanced electronic signature created using a qualified electronic signature creation device and validated by a qualified electronic signature certificate

Security Level:


Signature of the highest level of security. It is subject to special requirements, so this type of signature is always considered equivalent to a handwritten signature

What does a qualified electronic signature look like?

It looks a little different than a handwritten work of art, but has very important parts required for a qualified signature, containing:

Name and surname of the signatory

Note indicating it’s a qualified electronic signature

Signing information i.e. date, exact time and time zone

signed document with mark sign qualified electronic signature

Reasons to start using Electronic Signatures

An electronic signature opens up many possibilities – give it a try!

It will not only confirm your identity, but also allow you to perform many actions from anywhere in the world at your pace.

document with a signature

Ways to use an electronic signature:

Sign documents with a qualified electronic signature:

Log in and use e-banking services:

Verify your identity by connecting to e-government services:

Join self-service platforms of various service providers:

and hundreds more!

How to sign documents with a qualified electronic signature

This will only take a few steps:

Check our blog for a detailed guide on how to sign a document via Mark Sign platform.

mark sign self-service platform login screen using smart-iD or Mobile-ID

Log in to the Mark Sign platform with your valid Smart-ID app or Mobile Signature

signing documents with pdf, bdoc formats

Upload a document in BDOC, ASICE or PDF format

signing a document on smartphone

Sign by yourself or invite others to sign

Discover the power of e-signatures today!

Join thousands of Mark Sign users

5 signatures/month always free with Smart-ID, Mobile-ID