Tracers in the Dark

From the award-winning author of Sandworm comes the propulsive story of a new breed of investigators who have cracked the Bitcoin blockchain, exposing once-anonymous realms of money, drugs, and violence.
“A gripping, stranger-than-fiction tale of how a small team of geeks and federal agents cracked what was once thought to be untraceable cryptocurrency.” —Garrett M. Graff, New York Times bestselling author of The Only Plane in the Sky and Watergate
Over the last decade, a single innovation has massively fueled digital black markets: cryptocurrency. Crime lords inhabiting lawless corners of the internet have operated more freely—whether in drug dealing, money laundering, or human trafficking—than their analog counterparts could have ever dreamed of. By transacting not in dollars or pounds but in currencies with anonymous ledgers, overseen by no government, beholden to no bankers, these black marketeers have...