After Crypto’s Biggest Hack, Bybit Is Turning Security Into a Race Against the Clock

The $1.5 billion stolen from Bybit in February 2025 exposed a familiar weakness in crypto security: an attacker does not need to compromise a blockchain if there are easier targets around it.The FBI attributed the theft to North Korea. The attackers targeted the infrastructure surrounding a wallet transfer, manipulating what signers believed they were approving rather than breaking Ethereum itself.Eighteen months later, Bybit’s response points to a broader change in how crypto companies ar