This book explains Europol’s online sharing platforms efforts in three major cybercrime areas: ransomware, money laundering with cryptocurrencies, and online child sexual exploitation that Europol has already pushed private and public actors to cooperate.Since the global financial crisis, online sharing economy platforms have made a significant impact on use of under-utilized resources. People who have a car (Uber) or a spare room (Airbnb) began to share their under-used assets with others for extra income. The success achieved by these online platforms that enable efficient use of limited...