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Passkeys and PSD2 SCA: Streamlining Compliance - Authsignal

Justin Soong
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May 13, 2025
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Navigating Passkeys within PSD2 SCA by Authsignal

In an era where digital payments are as common as morning coffee, the European Union (EU) Revised Payment Services Directive (PSD2) stands as a beacon of security, propelling the financial sector into a future where transactions are not just seamless but fortified against the threats lurking in the digital shadows.

At the heart of PSD2 is the Strong Customer Authentication (SCA) requirement, a set of guidelines that, at first glance, could seem like a daunting hurdle for businesses and financial institutions alike. Yet, within these regulations lies an opportunity to harness the power of innovative technologies such as Passkeys to not only comply with these stringent standards but to elevate the user experience to new heights. Authsignal's drop-in platform allows for rapid compliance with PSD2 SCA, and we aim to un-pack some key SCA requirements in this blog post.

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The Technical Symphony of Passkeys and PSD2 SCA

Passkeys, grounded in the FIDO2 standard, are more than just a secure method of authentication; they are a testament to the evolution of digital identity verification. By satisfying two of the critical elements required by PSD2 SCA—something the user has (the device) and something the user is (biometric authentication) or knows (PIN or passphrase)—Passkeys present a solution that is as elegant as it is robust. But the journey doesn't end here.

The challenge of dynamic linking, a cornerstone of PSD2 that ensures each transaction is authenticated with a code specific to the payment amount and the payee, finds its match in Authsignal's transaction-based request model. This model not only addresses the need for dynamic linking but does so in a manner that is both secure and user-friendly, ensuring that the authentication process is a seamless part of the user's journey, rather than a disruptive obstacle.

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Beyond Compliance: Elevating the User Experience

Authsignal's integration with Passkeys offers more than just compliance; it offers a pathway to a user experience that is both secure and seamless. By leveraging Authsignal's platform, businesses can implement FIDO2 Passkeys in a manner that not only meets the PSD2 SCA requirements but also enhances the customer journey. The platform's ability to handle additional requirements, such as dynamic linking and non-repudiation, with ease, ensures that transactions are not just secure, but also indisputable, minimizing the risk of fraud and enhancing trust between businesses and their customers.

Moreover, Authsignal's no-code rules engine allows for the customization of authentication processes, enabling businesses to tailor the user experience according to their specific needs and the unique challenges of their sector. Whether it's setting retry attempt limits or managing exemption windows, Authsignal provides the tools necessary to navigate the complexities of PSD2 SCA with confidence.

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Get started on your PSD2 Journey

As we navigate the intricacies of PSD2 SCA, the combination of Passkeys and Authsignal offers a solution that help meet regulatory requirements but also sets a new standard for secure and user-friendly digital transactions. This is not just about compliance; it's about embracing the future of secure digital transactions, where security and convenience can coexist.

For businesses looking to navigate the PSD2 SCA landscape with ease, Authsignal offers a partnership that goes beyond technology. It's an invitation to be at the forefront of a digital revolution, where security is not a barrier but a gateway to new possibilities. Let's embark on this journey together, transforming challenges into opportunities and transactions into trust.

Interested in exploring how Authsignal can empower your business to meet PSD2 SCA requirements with confidence and innovation? Get in touch today, and let's unlock the potential of secure, seamless digital transactions together.

For a more detailed breakdown on how passkeys and Authsignal can help you achieve PSD2 SCA requirements download the white paper below.

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Disclaimer: no warranties, guaranties or undertakings as to results that may be obtained from information contained in this document. Content and information provided is not professional or legal advice. Specific advice should be sought from qualified legal professionals prior to taking any action or otherwise relying on any content or information received from Authsignal.

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