스마트폰 없이도 결제하기
A practical project enabling fingerprint payments at a school store without smartphones
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WHAT IT DOES
What does it do?
This project implemented a fingerprint-based payment system for a school store that identifies students without smartphones. The iPad kiosk and sensor communicate over BLE, and the system is designed to authenticate fingerprint images on the server. In 5/2026, fingerprints were used for 3,199 of 7,454 payments.
KEY FEATURES
Key features
- Fingerprint authentication for payment users
- BLE communication between the iPad kiosk and sensor
- Fingerprint authentication on the server rather than the sensor
- Extraction and storage of fingerprint minutiae
- Encryption during transmission
- Dedicated registration kiosk based on Raspberry Pi