Overview: All over the world, criminals are locking up important computer systems and demanding crypto as a ransom. So-called ransomware is officially an epidemic, and cryptocurrencies sit at the nexus of the crisis. In this episode of Cryptoland, Motherboard sifts through the fallout of a ransomware attack at schools in Afton, Missouri, and our panelists discuss the history and current role of crypto in this booming type of cyber-crime.