Custom Credential Encoding for Physical Access and FIDO Authentication
Kate Bennett • July 20, 2026

Custom Converged Credentials

Organizations are no longer looking for badges that simply open doors, instead they need credentials that can securely authenticate users to computers, cloud applications, VPNs, and physical access systems simultaneously. Managing multiple credentials for the same employee increases cost, complexity, and security risk.


That's why Tx Systems has expanded its credential services to custom encode a wide variety of physical access credentials while also provisioning modern FIDO authentication on supported credentials.


The result is creating a single credential that delivers both physical and logical access, without requiring organizations to replace their existing access control infrastructure.

One Credential. Multiple Technologies.

Our credential specialists can custom encode cards and keys using multiple access technologies to match your organization's environment.


Supported credential technologies include:

  • HID Seos®
  • HID iCLASS® SE
  • HID iCLASS®
  • MIFARE Classic®
  • MIFARE DESFire® EV1
  • MIFARE DESFire® EV2
  • MIFARE DESFire® EV3
  • Low Frequency (125 kHz) Proximity


Whether you're deploying new credentials or replacing existing badges, Tx Systems can encode cards to work seamlessly with your existing physical access control system.

Add FIDO Authentication to Your Physical Access Credentials

Beyond physical access encoding, Tx Systems can also provision FIDO2 authentication on supported credentials, enabling organizations to use the same credential for secure passwordless login.


Supported FIDO-enabled credentials include:

  • HID Crescendo® smart cards
  • Hirsch SecurePass credentials
  • Swissbit security keys with HID Seos®


Employees can use a single credential for:

  • Building access
  • Windows sign-in
  • Microsoft Entra ID authentication
  • Passwordless login
  • WebAuthn and FIDO2 applications
  • Multi-factor authentication (MFA)


Instead of carrying separate access badges and security keys, users can authenticate everywhere with one credential.

Future-Proof Your Access

The future of identity is converged access: where one credential securely unlocks doors, devices, and digital services.


Tx Systems can deliver fully customized credentials that support today's physical access requirements while preparing organizations for tomorrow's passwordless authentication.


If you're planning a new credential deployment or looking to add FIDO2 authentication to your physical access strategy, our team can help you build the right solution.


Contact Tx Systems to discuss custom credential encoding, FIDO provisioning, and secure identity solutions tailored to your environment.

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