Electronic signature
Facial biometrics: how it is done and what its benefits are
Here, we highlight facial biometrics as a crucial innovation in digital security and identification, detailing its
April 6th 2026
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Getúlio Santos
Getúlio Santos is the CEO of ZapSign, a lawyer, technology enthusiast, and entrepreneur.
Digital signature
Timestamping and digital certificates: what's the difference and when to use them?
Here we explain the difference between a digital certificate and a timestamp, and when to use each one.
April 2th 2026
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Digital signature
How a digital stamp works and what are the ways to make one
In this article, we discuss the growing relevance of digital stamping in the digital era, as well as addressing the
April 1th 2026
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Digital signature
Discover 6 reasons to issue digital certificates online with ZapSign.
Learn how to issue a digital certificate online with ZapSign, focused on 100% online issuance, video conferencing, and e-CPF.
March 31th, 2026
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Document management
e-CPF and e-CNPJ: understand the practical differences for those who sign documents.
Here, we explain the practical differences between e-CPF and e-CNPJ, show when each certificate makes sense, and compare them.
March 26th, 2026
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Digital signature
Digital certificate A1 or A3: which makes more sense for businesses?
This article compares A1 and A3 certificates from a business perspective, focusing on their legal validity.
March 24th, 2026
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Digital signature
Learn when to use a digital certificate when signing documents.
This article explains when to use a digital certificate, differentiates between electronic and digital signatures, and shows ideal scenarios for...
March 19th, 2026
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Digital signature
How to obtain a digital certificate at a notary office in 7 steps.
A practical guide to digital certificates for notary offices, including the difference between notarized certificates and ICP-Brasil certificates, and the issuance steps.
March 17th, 2026
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Electronic signature
What is number verification and how can it be used to authenticate customers?
Here, we explain what number verification is, how to apply the feature in onboarding, login, and transactions.
March 12th, 2026
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Digital signature
What is the difference between the Federal Government's digital signature and ZapSign's?
Digitization has transformed document signing, both in the public and private sectors. This article
March 11th, 2026
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