Electronic signature vs digital certificate
Electronic signatures prove intent to sign. Digital certificates prove identity through cryptography. Most businesses need the first; some regulated industries need both.
Electronic signatures: intent-based
An electronic signature records that someone intended to sign a document. The audit trail — timestamps, IP addresses, email verification — provides evidence of who signed and when.
Digital certificates: identity-based
A digital certificate is issued by a Certificate Authority (CA) and cryptographically links a signature to a verified identity. It's like a notarized stamp — it proves not just intent but verified identity.
When certificates are required
Government filings in some countries, certain healthcare documents, high-value financial transactions, and EU qualified electronic signatures (QES) may require certificate-based signing. For most business contracts, standard e-signatures are sufficient.
Frequently asked questions
Do I need a digital certificate to sign contracts?
No. For most business contracts, a standard electronic signature with audit trail is legally sufficient. Digital certificates are typically only needed for government filings or regulated industry documents.
Does SignOwl support digital certificates?
SignOwl applies PAdES-B-B digital signatures to signed PDFs, providing cryptographic integrity verification. For documents requiring government-issued digital certificates, consult your local requirements.
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