Federal officials seized some $3.6 billion worth of bitcoin tied to the 2016 hack of the crypto exchange Bitfinex.
Two individuals were arrested in New York. The married couple, Ilya "Dutch" Lichtenstein and Heather Morgan
The stolen bitcoin represents around 1/6th of the total volume of bitcoin during that time (2016). At today's prices, the total amount of bitcoin stolen is valued at $4.5 billion, but the DOJ only seized about 94,000 BTC valued at $3.6 billion.