An in-depth look at the 2016 Bitfinex hack and US government's case against Ilya Lichtenstein and Heather Morgan, aka Razzlekhan, over alleged money laundering (Zeke Faux/Bloomberg)

Zeke Faux / Bloomberg:
An in-depth look at the 2016 Bitfinex hack and US government's case against Ilya Lichtenstein and Heather Morgan, aka Razzlekhan, over alleged money laundering  —  The hackers had been inside the Bitfinex servers for weeks before attempting the heist.  They'd watched users on the cryptocurrency exchange buy and sell Bitcoins.