The detector has an electronic circuit that identifies notes or coins and uses spectrophotometric techniques to detected forgeries. A microprocessor controls detection and authentication and also drives screens identifying the currency and showing its converted value. An EEPROM memory can be remotely loaded...
Dark web marketplaces have been a significant outlet for illicit trade, serving millions of users worldwide for over a decade. However, not all users are the same. This paper aims to identify the key players in Bitcoin transaction networks linked to dark