Tech
Crypto Exchanges Rush to Bolster Defenses After Record $6.3 Billion Binance Heist
Crypto exchanges moved quickly to shore up their defenses and called for industry-wide information sharing after a record $6.3 billion hack of Binance, the world's largest crypto exchange, exposed the sector's vulnerability.
Photo: Forextime.com / Wikimedia Commons (CC BY 2.0). Photo shows a stock market concept, not a crypto exchange's systems.
Crypto exchanges are taking quick action to bolster their defenses and urging greater industry-wide information-sharing after a record $6.3 billion hack of Binance exposed their vulnerability just as they become more embedded in mainstream finance.
Coinbase said it made adjustments to its systems that store cryptocurrency keys offline "solely out of an abundance of caution," while Kraken said it was monitoring industry incidents for lessons it could apply to its defenses. "Full-time teams at Kraken look for potential vulnerabilities every day," a Kraken spokesperson said.
Binance, the world's largest crypto exchange, halted withdrawals after Thursday's attack — which analysts blamed on North Korea — and said it would use company funds to cover the losses. Binance co-CEO Richard Teng said on X that the "complex attack" may have begun with a compromised software engineer's laptop, giving hackers access to systems used to process withdrawals. The company later found additional breaches, while software designed to erase traces of the attack hampered the investigation.
The bulk of the heist unfolded in around 20 minutes late on Thursday and bore similarities to previous attacks blamed on North Korea, according to US blockchain analysis firms TRM Labs and Chainalysis. North Korea routinely denies involvement in cryptocurrency thefts, and its mission in Geneva did not respond to requests for comment.
While much remains unclear, social engineering — a tactic in which hackers trick victims into revealing sensitive information or granting access to systems — may have been involved in compromising the laptop, security experts said. Companies are planning more employee training to guard against such attacks, said Harry Donnelly, CEO of Circuit, a crypto risk infrastructure company.
In such attacks, hackers race to launder the funds before the exchange detects the breach and token issuers freeze assets. Stablecoin issuer Tether said it had frozen nearly $1.57 billion linked to Binance, while Circle said it froze $800 million. Bitcoin and ether cannot be frozen because no single entity controls the coins.
On Friday, some crypto exchange executives called for the industry to develop a coordinated hack detection system. "We need a real-time alert system that allows participants to share information immediately when a hack occurs, coordinate a rapid response, and temporarily freeze suspected stolen funds," said Star Xu, CEO of crypto exchange OKX, in a post on X.
Still, executives expressed confidence that Binance had sufficient resources to cover the losses and that the hack would not have broader financial repercussions. Bitcoin fell more than 4% on Thursday while ether fell more than 5%, although both tokens recovered some of that ground on Friday.
"For crypto to reach its full potential, the security situation must be addressed immediately," said Chris Perkins, Franklin Templeton's head of crypto. GSR chief legal and strategy officer Josh Riezman added that the hack could spur the industry to act: "As we're at this kind of confluence moment for traditional finance and digital assets, I think it's obviously important that we continue to improve, and I think this, if anything, will be a catalyst for that."
Source: Reuters
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