Oracle Security

Aspan adopts a dual-oracle + staleness check mechanism.

• Primary Oracle: Pyth Network

  • Advantage: Sub-second updates, based on confidence intervals, suitable for the high-frequency volatility of BNB Chain

• Backup Oracle: Chainlink

  • Role: Automatically take over if Pyth data is interrupted

• Staleness Check: Reject price feeds that are older than 30 seconds to avoid using outdated data for pricing