Notes on payment engineering, EMV certification, and building the infrastructure businesses run on.

Field notes from the team behind 131+ EMV Level 3 certifications — on unattended systems, SoftPOS, AI in payments, and what actually ships.

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What is an EMV level 3 certification?

Understanding EMV Level 3 Certification: A Complete Guide If you've ever used a chip card at a payment terminal, you've interacted with

· Jan 17, 2026 · 4 min read