Inside ZP-H1: the secure element that fits in 2.4mm
A short tour of the chip that makes tap-to-pay from your face possible without ever exposing your keys.
The ZP-H1 is a certified CC EAL6+ secure element paired with an NFC-A controller and a BLE 5.3 radio. All three sit inside a 2.4mm-thick temple arm milled from Ti-6Al-4V titanium.
The secure element handles key generation, signing, and attestation. Nothing else on the device — including the pairing app — can read the private key. This is the same class of chip used in payment cards and passports; the novelty is fitting it into eyewear.
Tap-to-pay is routed through the same secure element. When you tap a payment terminal, the frame produces an EMV-compliant token that the terminal cannot distinguish from a card. Native swaps and on-chain signatures use the identical signing path.
Battery life is 24 hours of active use. Standby is measured in weeks.
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