Guides & Tips
September 30, 2026How to Make a PDF Signable: Steps and Evidence
Making a PDF signable means adding signature and data fields recipients can complete in a tracked flow. Three routes, the steps, and how to keep the evidence.
Guides & Tips
September 30, 2026How to Verify Professional Identity With Consent
Verifying professional identity with consent means confirming who a person is and their authority to act, with their knowledge. Methods and controls.
Guides & Tips
September 30, 2026PKI Signatures: Certificates, Trust Chains, Verification
A PKI signature is a digital signature backed by public key infrastructure: a CA-issued certificate, a trust chain, and offline verification.
Guides & Tips
September 30, 2026Secure Digital Signatures: Certificate and Identity Checks
A secure digital signature rests on four checks: recognized certificate, verified identity, trusted timestamp, and a tamper-evident hash.
Product
September 30, 2026E-Signature APIs: Capabilities and Security Checklist
An e-signature API lets your app create envelopes, collect signatures, and retrieve evidence programmatically. Capabilities and the security checklist.
Guides & Tips
September 30, 2026What Is Digital Identity Verification for E-Signatures?
Digital identity verification confirms a signer is who they claim using electronic evidence instead of physical presence. Methods and limits.
Alternative
September 30, 2026What's a Digital Signature? Definition and Use
A digital signature is a cryptographic seal: a hash of the document signed with a private key. How it differs from an e-signature and when to use it.
Guides & Tips
September 30, 2026Witnessing of Signatures: Meaning and Workflow
Witnessing a signature means a third party watches the signing to confirm who signed. When US documents require it and how e-signing handles it.
Guides & Tips
September 29, 2026Are Electronic Signatures Legally Binding? What Proves It
Yes — ESIGN and UETA make electronic signatures legally binding for most US documents. What makes one binding, which documents are excluded, and the proof.
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