A hacker transformed a quarter of a Bitcoin into 46 billion counterfeit BTC tokens through a DeFi bridge
In early 2024 a relatively modest investment—just 25 cents worth of Bitcoin—was the seed that grew into a massive exploit on a decentralized finance (DeFi) platform known as Symbiosis. The attacker, whose identity remains concealed, leveraged two critical vulnerabilities in the bridge contract that links Bitcoin to the platform’s synthetic Bitcoin token, syBTC. By exploiting these bugs, the hacke…
Sept. 15, 2026, 1:43 p.m.