A Digital Signature Certificate (DSC) is a secure digital key issued by certifying authorities to validate and certify the identity of the certificate holder. It uses public key encryption to create a unique digital signature, ensuring secure and tamper-proof communication. Types of Digital Signature Certificates 1. Class 3 DSC – Used for high-security transactions, including e-tend... https://www.esigndsc.com/dgft-digital-signature-certificates.php