A cybercriminal transformed a quarter‑dollar worth of Bitcoin into 46 billion counterfeit BTC tokens via a DeFi bridge
In early 2024, a striking exploit unfolded on the Symbiosis decentralized finance (DeFi) platform, exposing how a single attacker could turn a modest amount of Bitcoin—worth just about 25 cents at the time—into an astronomical quantity of fake Bitcoin tokens. The incident centered on the creation of 46 billion synthetic BTC tokens, designated as syBTC, on a cross‑chain bridge that was supposed to…
Sept. 15, 2026, 1:43 p.m.