3 ms·
Coin has WiFi and a microphone and sends data to the nearest surveillance spot if it is in range.
by sergior 10y ago
Coin has WiFi and a microphone and sends data to the nearest surveillance spot if it is in range.
- marcosdumay 10y agoIf they weren't metallic, it wouldn't be a bad idea to put some RFID in them, or even set some secret handshake to automatically detect false coins.
- cat199 10y agoThere is likely an embedded known hash/serial number/other identifier in the U/V signature for exactly this.