Axie Infinity was huge. At its peak, workers in Southeast Asia were even able to earn a living through the play-to-earn game. It boasted
2.7 million daily active users and
$214 million in weekly trading volume for its in-game NFTs in November last year — although both numbers have since plummeted. Earlier this year, staff at Axie Infinity developer Sky Mavis were approached by people purporting to represent the fake company and encouraged to apply for jobs, according to the people familiar with the matter. One source added that the approaches were made through the professional networking site LinkedIn. After what one source described as multiple rounds of interviews, a Sky Mavis engineer was offered a job with an extremely generous compensation package.
The fake “offer” was delivered in the form of a PDF document, which the engineer downloaded — allowing spyware to infiltrate Ronin’s systems. From there, hackers were able to attack and take over four out of nine validators on the Ronin network — leaving them just one validator short of total control.