By concealing identities, cryptocurrencies fuel cybercrime

The first major cryptocurrency system, bitcoin, allows users to conceal their real names

When hackers hold their victims’ data for ransom, as happened in the WannaCry and NotPetya ransomware attacks that spread across the globe in mid-2017, a key to the criminals’ success is getting away with the money. That often means they use cryptocurrencies like bitcoin to collect payment, hoping to remain hidden behind a digital mask.

The WannaCry hackers went a step farther, though. They converted their bitcoins into Monero, another e-currency designed to offer even stronger privacy.

At the Initiative for Cryptocurrencies and Contracts, we have explored