A hacker turned a quarter of a Bitcoin into 46 billion counterfeit BTC tokens on a DeFi bridge
In early June 2024, the decentralized finance (DeFi) ecosystem was shaken by a dramatic exploit that highlighted the lingering vulnerabilities in cross‑chain bridge protocols. A single malicious actor, armed with only a modest amount of Bitcoin—approximately $0.25 worth—managed to mint an astonishing 46 billion fake Bitcoin‑backed tokens, known as syBTC, on the Symbiosis bridge. The incident not …
Sept. 15, 2026, 1:43 p.m.