How does an electronic signature work?

eSignatures are legally binding

Electronic signatures across the EU are governed by the Electronic Identification, Authentication and Trust Services Regulation (eIDAS), a set of standards for electronic identification and trust services for electronic transactions. eIDAS defines 3 levels of electronic signatures; Simple, advanced and qualified electronic signature.

An electronic signature based on a qualified documentary evidence hold the same legal status to wet signatures.

Binding electronic signatures on documentation
Type of Signature Legal validity Security Common Use LLEIDA.NET Solutions
Simple Signature Legally binding, though with less evidentiary weight compared to advanced or qualified signatures. Lower security levels, making it more prone to tampering. Ideal for low-priority electronic documents. Signing through an acceptance button.
Advanced Signature Legally enforceable and recognized in court, offering a higher level of security than simple signatures. Enhanced protection, resistant to forgery, and capable of detecting unauthorised modifications. Used for critical electronic transactions. Biometric Signatures
OTP Authentication
Digital Certificate Signing in Software
Qualified Signature Provides the same legal value as a handwritten signature. Top-tier security, nearly impossible to forge, utilising certificates and advanced security protocols. Designed for high-value electronic transactions. Digital Certificate Signing with cryptographic hardware.
Cloud-based or centralised digital signing.

Documentary evidence and custody

Documentary evidence for electronic signature

Documentary evidence:

The PDF documentary evidence collects all the electronic evidence generated during the signature process:

  • Data related to Registered emails and Registered SMS sent and received, such as: content, email addresses, mobile phone numbers, IPs involved, dates and times of written communications
  • Signed documents
  • Technical annexes
  • OTP, Click-to-Sign or biometric signature
  • Attachments

The documentary evidence is digitally signed and with a CA time stamp Therefore, the content is tampered proof.

You can access to the documentary evidence of your e signature processes:

We issue documentary evidence with all the communication data; this evidence can be consulted and downloaded from your account.

Documentary custody of electronically signed documents

Documentary custody:

The documents that are uploaded to the cloud during the signature process (receipts, payroll, documents officially authenticated.) shall remain under documentary custody for 5 years.

How does an electronic signature work

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Free esignature API

Free esignature API

Our free API allows to integrate a complete electronic signature solution with your CRM, ERP or mobile application.

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Pay per use

With Click & Sign you pay-per-use,no fees. You can also pre-calculate the price.

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