Developments in technology have not only transformed aspects of our daily life, but they have also impacted the way in how illicit transactions are organised, such as illicit drug supply and demand.

This book focuses on illicit drug transactions through drug marketplaces on the dark web, also called cryptomarkets. The dark web is an encrypted, small part of the internet not searchable by regular search engines.

These drug cryptomarkets offer an unprecedented opportunity to study a drug market...