How does a nation under crushing international sanctions manage to fund its weapons program? Just ask North Korea’s elite hacking squad, the Lazarus Group, who pulled off the largest cryptocurrency theft in history. They swiped a staggering $1.5 billion from Bybit Exchange in 2025, making off with 401,000 Ethereum tokens. Not too shabby for a country that can barely keep its lights on.
The heist was brutally efficient. Social engineering got them insider access. Smart contract manipulation did the rest. Human error in transaction verification? Exploited. The funds vanished faster than free food at a conference, dispersed across countless wallets before anyone could hit the panic button.
Social engineering plus smart contract hacks equals empty vaults. Digital heists run on human weakness and technical precision.
This isn’t their first rodeo. The same crew—also known as APT38, BlueNoroff, or Stardust Chollima—has been digitally picking pockets since 2009. Remember the Harmony Horizon Bridge ($100 million), Ronin Network ($625 million), and last year’s WazirX Exchange hack ($234.9 million)? Same guys. Same playbook.
Laundering the loot required creativity. Tornado Cash mixers. Chain-hopping between blockchains. Decentralized exchanges. Peel chains. Privacy coins. The digital equivalent of a car wash for dirty money. The exploitation of DeFi project vulnerabilities has been a signature tactic in their recent attacks, allowing them to maximize their illicit gains. The group converted a significant portion of the stolen Ethereum into Bitcoin and Dai via decentralized exchanges. Security experts noted that transfers were strategically timed to avoid detection by following patterns typical of crypto whale movements. By the time authorities could trace the funds, they’d been converted to 6,706 Bitcoin and were long gone.
The FBI confirmed what everyone suspected: Lazarus Group, North Korea’s digital ATM, was behind it all. The crypto industry went into panic mode. Security measures tightened overnight. Regulators, who had been asleep at the wheel, suddenly couldn’t stop talking about “enhanced oversight.”
International response was predictable. More UN sanctions (because those work so well). Cybersecurity agencies shared information after the fact. Everyone promised “never again”—until next time.
Meanwhile, somewhere in Pyongyang, government officials are probably toasting their hackers’ success. Another billion for the weapons program, courtesy of security holes and human error. Crypto bros’ losses are missile gains. And the cycle continues.