Product

Persistent Device Trust Matters for Smarter Payment Decisions

In payments, good decisions come down to good signals. But when it comes to devices—the origin point for almost every transaction—many gateways and payment service providers (PSPs) are still flying blind.

Device intelligence today is often session-based, cookie-dependent, and easily lost between visits. The result? Risk scoring is shallow, routing logic is limited, and device trust evaporates the moment a user clears their browser.

The hidden cost of ephemeral device identity

Most PSPs rely on transient identifiers to assess whether a device is trustworthy. But in practice:

Cookies expire
Sessions end
Browser and OS updates wipe identifiers

This makes it nearly impossible to know if the device making a payment today is the same one seen weeks—or even hours—ago.

The implications are broad:

Risk scoring resets with every session
Routing decisions lose precision
Merchants and PSPs lose time-based trust

In a world where transaction decisions must be made in milliseconds, this kind of uncertainty has real business consequences—from higher fraud exposure to missed revenue due to false declines.

What persistent device trust enables

Now imagine a system where device identity persists across sessions, across time, and even across changes in browser or app context. Where a PSP or merchant could answer the question: have we seen this exact device before?—with confidence.

Here’s what becomes possible:

Risk scoring with memory

Historical context is one of the strongest signals in fraud prevention. A device seen consistently making successful payments can be flagged as low risk, even if the user is logging in from a new location or network. Conversely, devices associated with fraud attempts can be tracked more effectively—even when accounts or credentials change.

Better routing and rail selection

Payment providers often support multiple processing rails. When device identity is persistent, it can inform routing logic: send trusted devices through high-speed, low-friction paths; divert risky ones for further verification. This kind of dynamic routing improves both fraud outcomes and authorization rates.

Merchant-specific trust models

Some advanced device identity systems allow trust to be bound to a specific merchant or domain. That means trust doesn’t bleed across ecosystems—offering better control and stronger privacy. A device can be known and trusted by one merchant without exposing that intelligence to others.

This approach also avoids many of the privacy pitfalls associated with fingerprinting or third-party tracking, while still enabling high-value security and optimization use cases.

Looking ahead

As the digital payments landscape continues to evolve, persistent device trust is emerging as a foundational enabler—not just for fraud reduction, but for better customer experience, smarter routing, and higher conversion. It's not about identifying users—it's about understanding devices with greater fidelity, across time.

For PSPs, gateways, and large merchants, investing in stronger device intelligence isn’t just a defensive move. It’s a competitive advantage.

Sources:

‍

Toby Rush

CEO

Published

Aug 12, 2025

Share on: