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Meridian PayFintech · payments · Regulated, high-assurance

A fintech made step-up auth and audit a non-event for compliance

A payments company needed phishing-resistant login, fine-grained step-up, and a tamper-evident trail it could hand an auditor without a fire drill.

Audit logStep-up MFASelf-hosting

At a glance

primary factor
Phishing-resistant
audit trail
Hash-chained
in their VPC
Self-hosted

The challenge

Moving money means proving who did what, when — and proving the record itself hasn't been altered. The team's previous setup could show events but couldn't demonstrate the log was tamper-evident, which made every audit a manual exercise in trust.

They also wanted phishing-resistant authentication and step-up verification on sensitive actions, without bolting three vendors together.

The solution

Qeet ID's append-only, SHA-256 hash-chained audit log let them verify integrity with a single endpoint. Passkeys became the primary factor, and an ABAC policy gated high-risk actions behind step-up verification.

Running the platform self-hosted inside their own VPC meant regulated data never crossed a third-party boundary.

The results

Audit prep went from a recurring scramble to producing a verifiable chain on demand. Security reviews started from a stronger baseline because the controls were the same ones the team could inspect in source.

The audit log being hash-chained changed the conversation with our auditors entirely — we could prove integrity, not just assert it.
DO
Daniel OkaforHead of Platform Security · Meridian Pay
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