Certification Authority &
Payment Security for PA

Since December 2012, Nexi S.p.A. is an Accredited Certifier, authorised by AgID (Agency for a Digital Italy), able to offer Certification Authority (CA) and Payment Security solutions. Our service has also obtained eIDAS certification, giving Customers the opportunity to supply and use trusted services valid in all EU countries.
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As CA accredited certifier EIDAS, the services offered are:

  • Digital signature: USB tokens and smart cards
  • Remote digital signature: Strong Authentication Token
  • Signing contracts in paperless mode through video conference recognition systems, payments by bank draft or credit card and activation of remote online signature certificates
  • Certificates and processes for advanced electronic signatures.

As non-qualified CA the services offered by Nexi are:

  • Issuing encryption certificates (AES-256) usable on the SITRAD (interbank data transmission system) circuit
  • Emission of authentication certificates (SSL Client)
  • Strong Authentication: tools and services for One-Time Passwords (via smartphone App, physical token, text message, incoming call, etc.).

Organisation of training courses and specialist consultancy of digital signatures and the integration of signature services into Customer processes.

For all services, Nexi boasts a consolidated and certified technology infrastructure that guarantees high reliability, disaster recovery and complete support.

Certification authority payment security

The Service consists of:

  • A mobile application that allows sales people and/or promoters to fill in forms and/or contracts. Provision of a digital signature OTP TOKEN via the Nexi S.p.A. CA
  • Compliant storage of contracts on the Nexi S.p.A. Fast Digital Invoicing platform
  • Transmission of the data present in contracts to the Company's systems to automate master-data management and subsequent document management.

The payment security solutions are divided into 3 categories

One-Time Password (OTP) generation tools


Incoming Calls, Tex Messages, Display and USB OTP Tokens, Mobile OTP Clients (Apps) and USB Tokens.

Certificates issued by the qualified CA 


Smart cards, USB and remote tokens (also with an automatic procedure), Paperless and Advanced electronic Signature.

Certificates issued by the non-qualified CA


SSL Client Certificates, Encryption Certificates (AES-256) and Strong Authentication stand alone.

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