A cyber‑criminal transformed a quarter‑dollar worth of Bitcoin into 46 billion counterfeit BTC tokens via a DeFi bridge
In early 2024, a startling exploit rippled through the decentralized finance (DeFi) ecosystem, exposing how a single attacker could inflate a minuscule amount of Bitcoin—worth just $0.25 at the time—into an astronomical 46 billion synthetic Bitcoin (syBTC) tokens. The incident unfolded on Symbiosis, a cross‑chain liquidity bridge that enables users to move assets between disparate blockchain netw…
Sept. 15, 2026, 1:43 p.m.