Audits

BitFire has undergone a formal smart contract audit to ensure the protocol is secure, reliable, and ready for institutional-grade usage. The audit was conducted by Defense, a leading security firm in the Bitcoin ecosystem.

Audit Link: https://github.com/BitFire-Lending/BitFire-audit-report

  1. About Defense

Defense is a crypto security firm specializing in Bitcoin, Ethereum, Stacks, and Cosmos ecosystems. Backed by the Thesis team (tBTC, Fold, Mezo, etc.), Defense provides robust audit methodologies for DeFi protocols, wallets, bridges, and low-level protocol implementations.

  1. Audit Scope

The audit covered the following core components of BitFire:

  • Collateral vaults – ensuring BTC deposits are fully secure and properly accounted for

  • Borrowing logic – verifying accurate and safe loan issuance

  • Liquidation mechanisms – checking thresholds, health factors, and protocol safety

  • Role-based access control – confirming administrative and operational permissions

  • Oracle integration – validating pricing inputs and data feeds

  • Upgradeability patterns – ensuring safe and auditable protocol upgrades

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