Binance Linked Liquidation May Have Triggered Sharp Market Downturn

Uphold’s Dr. Martin Hiesboeck claims the October 10–11 sell-off was a targeted attack exploiting a flaw in Binance's Unified Account margin system, resulting in significant collateral depegging.

USDE
BNSOL

Summary

The October 10–11 crypto market crash, erasing ~$19–20 billion, is suspected to have been caused by a targeted attack that exploited a flaw in Binance’s Unified Account margin system. Collateral assets such as USDe, wBETH, and BnSOL had liquidation prices tied to Binance’s volatile spot market rather than external data, causing forced liquidations once they depegged. Binance has acknowledged the issue, offering compensation to affected users and committing to risk control enhancements. The sell-off was also triggered by a macro shock, following a tariff threat from President Trump against China, causing a ripple effect across crypto markets.

Terms & Concepts
  • Binance Unified Account: A margin system on Binance that allows users to use various collateral types across multiple products, such as futures and loans, within one account.
  • Depeg: A situation where the price of a cryptocurrency asset deviates significantly from its intended value or peg, often causing instability and liquidation in margin systems.
  • Macro Shock: A large-scale, external event that disrupts global financial markets, causing widespread market volatility and significant risk-off behavior across assets.