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IBM Research Zurich

Capacitive Chip Auth

Two parallel pipelines — a QR identity lookup and a physical capacitance fingerprint — merge to authenticate microchips. Click any node to explore.

QR Path
Cap Path
Result

1.1 — Phone Camera Scans QR Code

The Android app opens the camera and reads the QR code printed on the chip packaging. The QR encodes a unique chip identifier.

Android CameraXZXing QR decoder
QR on chip packagingscanAndroid appdecodedCHIP ID DECODEDchip_id:CHIP-A291type:E-security 2mfg_date:2018-05-31code:1 1 0 1claimed identity (from QR)