In Kenya, offline payment travels through the phone’s sound
In areas without coverage, two phones exchange a transaction by audio signal, settled later with the bank. The system already handles several thousand operations a day.
Oct 19 · 4 min read
In areas without coverage, two phones exchange a transaction by audio signal, settled later with the bank. The system already handles several thousand operations a day.
Designed for emergency rooms, it works without a network and keeps no patient data. Its business model rests on the hospital, not the user.