The United States government is trying to seize 280 cryptocurrency accounts related to theft cases involving hackers linked to North Korea, according to a U.S. Department of Justice release published on Aug. 27.

The Justice Department alleges that North Korean hackers stole cryptocurrencies worth at least $298.5 million from South Korean cryptocurrency exchanges in 2018 and 2019, as well as an exchange “focused on the Algorand blockchain” based in the United States.