> For the complete documentation index, see [llms.txt](https://tectonic.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tectonic.gitbook.io/docs/developer/smart-contracts-and-security/external-audits.md).

# External Audits

Security Audits

Tectonic protocol is a fork of Compound protocol. Compound protocol was audited by Trail of Bits and Open Zeppelin ([Link](https://compound.finance/docs/security)).

The smart contracts and DeFi operating model were audited by Cronos Labs's security team as well as external auditing firms Slowmist and Blocksec. The audit reports are available under "[Audit Reports](#audit-reports)" below.

### Audit Reports

#### SlowMist Audit Report (December 2021)

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#### SlowMist & BlockSec Audit Report - Staking (Mar 2022)

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#### BlockSec Audit Report - Isolated Pools (Dec 2022)

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#### SlowMist Audit Report - Collateral Repay & Collateral Swap (Apr 2023)

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