Hackers working for North Korea are suspected of hacking a Binance employee's laptop, which allowed the theft of billions in crypto. Blockchain intelligence firms have attributed the $6.3 billion Binance hack to North Korean-linked hackers. The incident has triggered a recovery operation involving Tether, Circle, Ripple and. North Korean hackers are suspected of carrying out a record-breaking $6.3 billion theft from cryptocurrency exchange Binance, according to US-based blockchain analysis firm TRM Labs.