Legal & Compliance — Blog — e-Signature & Contract Management Insights

Is a WhatsApp Signature Legally Valid? Brazil 2026

Brazilian courts confirmed in 2026: contracts without ICP-Brasil certs are valid, but need extra proof. Here's what the STJ rulings mean for your business.

August 4, 2026·DottSign TeamRead article

Legal & Compliance

Brazilian Digital Signature Law: What MP 2.200-2/2001 Actually Means for Your Contracts

Understand the three legal pillars that give electronic contracts full legal validity in Brazil — and how DottSign was built to meet every one of them.

June 25, 2026·DottSign Team

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Legal & Compliance

What Is a Digital Signature and Why Does It Matter?

A plain-English explanation of digital signatures, how they work legally, and why they're more secure than a scanned image of your handwriting.

March 20, 2026·DottSign Team

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