What is an Electronic Signature? A Complete Guide for 2026

What is an Electronic Signature?

An electronic signature (or e-signature) is a digital representation of a person's intent to agree to the contents of a document. Unlike wet ink signatures on paper, e-signatures are created and captured electronically, making them faster, more secure, and environmentally friendly.

How Do Electronic Signatures Work?

When you sign a document electronically, several things happen behind the scenes:

1. 1Identity Verification: The system verifies your identity through email, phone, or other authentication methods.
2. 2Signature Capture: Your signature is captured through typing, drawing, or uploading an image.
3. 3Document Binding: The signature is cryptographically bound to the document.
4. 4Audit Trail: Every action is logged with timestamps and IP addresses.

Are Electronic Signatures Legal?

Yes! Electronic signatures are legally binding in most countries around the world:

• United States: ESIGN Act and UETA
• European Union: eIDAS Regulation
• United Kingdom: Electronic Communications Act 2000
• Canada: PIPEDA and provincial laws
• Australia: Electronic Transactions Act 1999

Types of Electronic Signatures

There are three main types of electronic signatures:

Simple Electronic Signatures (SES)

The most basic form, including typed names, checkbox acceptances, and drawn signatures. Suitable for low-risk documents.

Advanced Electronic Signatures (AES)

Require stronger identity verification and are uniquely linked to the signatory. Used for medium-risk documents.

Qualified Electronic Signatures (QES)

The highest level of assurance, requiring a qualified certificate issued by a trusted authority. Required for certain regulated industries in the EU.

Benefits of Electronic Signatures

• Speed: Documents signed in minutes, not days
• Cost savings: Reduce paper, printing, and shipping costs
• Security: Encryption and audit trails provide better protection than paper
• Convenience: Sign from anywhere, on any device
• Environmental: Reduce paper waste and carbon footprint

Getting Started with SignFlow

Ready to start using electronic signatures? SignFlow makes it easy:

1. 1Upload your document
2. 2Add signers and fields
3. 3Send for signature
4. 4Track and manage

Start your free trial today and see how easy e-signatures can be.