The United States has linked North Korean hackers to the theft of hundreds of millions of dollars' worth of cryptocurrency tied to the popular online game Axie Infinity, the US Treasury Department said on Thursday.
Follow Israel Hayom on Facebook, Twitter, and Instagram
Ronin, a blockchain network that lets users transfer crypto in and out of the game, said digital cash worth almost $615 million was stolen on March 23.
No one has explicitly assigned blame for the hack, but on Thursday the US.Treasury identified a digital currency address used by the hackers as being under the control of a North Korean hacking group often dubbed "Lazarus."
"The United States is aware that the DPRK has increasingly relied on illicit activities – including cybercrime – to generate revenue for its weapons of mass destruction and ballistic missile programs as it tries to evade robust US and UN sanctions," a Treasury Department spokesperson said, using the initials of North Korea's official name.
The spokesperson warned that those transacting with the wallet risk exposure to US sanctions.
Blockchain analytics firms including Chainalysis and Elliptic said the designation confirmed that North Korea was behind the break-in.
A person familiar with the matter confirmed that North Korean hackers had been the focus of the cybersecurity firm's investigation for the past couple of weeks.
CrowdStrike, which was hired by Sky Mavis to investigate the breach, also declined comment.
Aleksander Larsen, the co-founder of Sky Mavis, which makes Axie Infinity, declined comment.
