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What is a Digital Signature Certificate and Why is it Important in 2026?

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Introduction In today’s digital era, most government and business processes are shifting online. To ensure security and authenticity of online transactions, Digital Signature Certificates (DSC) are widely used. A DSC allows individuals and organizations to sign documents electronically with legal validity. Platforms like eSignDSC provide reliable digital signature solutions for businesses and professionals in India. What is a Digital Signature Certificate?. A Digital Signature Certificate (DSC) is a secure digital key issued by a certifying authority. It verifies the identity of the person signing the document electronically. DSC ensures that the document has not been altered after signing. It works as the digital equivalent of a handwritten signature. Types of Digital Signature Certificates There are different types of DSC used for various purposes: Class 3 DSC – Used for income tax filing and MCA filing and also used for e-tendering, e-procurement, and secure onlin...

What is Class 3 Digital Signature Certificate? Complete Guide

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  A Class 3 Digital Signature Certificate (DSC) offers top-notch security for digital signatures. People and businesses use it to prove who they are when signing documents or handling important stuff online. You’ll typically see these certificates in action for things like e-tendering, e-procurement, filing trademarks and patents, or handling paperwork on government portals. What is a Class 3 Digital Signature Certificate? A Class 3 Digital Signature Certificate is like your online ID card — it confirms who you are when you make transactions on the web. It carries your details, like your name, email, and, if you have one, your organization, plus a public key that proves you’re legit. When you use this certificate to sign something digitally, it locks in your signature. That means the document stays genuine and safe, and nobody can mess with it while it’s sent over the internet. Types of Class 3 Digital Signature Certificates 1. Individual Digital Signature Certificate You get this ...