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Getúlio Santos

Getúlio Santos is the CEO of ZapSign, a lawyer, technology enthusiast, and entrepreneur.
revocation of digital certificate
Electronic Certificates

What is digital certificate revocation, when does it happen, and why is it important?

This article explains what digital certificate revocation is, when it occurs, and how to perform the revocation.

April 29th 2026 No comment
electronic signature and digital certificate
Electronic signature

What is the difference between electronic signature and digital certificate?

Electronic signature and digital certificate are terms that, because they are similar, make some people

April 28th 2026 No comment
electronic seal
Electronic Certificates

What is an electronic seal, what is it used for, and when does it make sense to use one?

Here, we explain what an electronic seal is, how it differs from a digital signature, and when to use it.

April 27th 2026 No comment
choosing a certification authority
Electronic Certificates

What changes for companies when choosing a Certification Authority?

This article shows how the choice of certification authority affects compliance, issuance, support, revocation, costs, and...

April 24th 2026 No comment
e-CNPJ
Digital signature

What is the e-CNPJ, how much does it cost and how to make this digital certificate?

The e-CNPJ digitally identifies who is in full legal activity in the National Register of Legal Entities.

April 23th 2026 No comment
digital certificate
Digital signature

Digital certificate: what it is, what it is for and how to get it

Both natural and legal persons can use the digital identity feature known as a digital certificate.

April 21th 2026 No comment
certification authority and registration authority
Electronic Certificates

Certification Authority and Registration Authority: what is the difference in practice?

This article explains the difference between a Certification Authority and a Registration Authority in the ICP-Brasil (Brazilian Public Key Infrastructure), detailing the...

April 20th 2026 No comment
certification authority
Electronic Certificates

What is a Certification Authority and what is its role in ICP-Brasil?

Understand what a Certification Authority is, how it fits into the ICP-Brasil framework, and what functions it performs in the context of the Brazilian Public Key Infrastructure (ICP-Brasil).

April 17th 2026 No comment
signature with digital certificate
Digital signature

Learn how to sign with a digital certificate

The digital signature has been adopted by companies that have been adopting online tools for managing

April 16th 2026 No comment
free electronic signature
Electronic signature

Learn how to make a free electronic signature in 12 steps

Electronic signature is vital for the agility and modernization of commercial processes, providing savings, security,

April 13th 2026 No comment
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