# Gno Sprint 2 security audit

Gno.land is a Proof of Contribution chain built on Gno, a deterministic, interpreted implementation of Go for smart contracts. This sprint audit reviewed GnoVM realm storage, sources of non-determinism and VM validity.

Codezen audited Gno Sprint 2 together with Oak Security. Technologies in scope: Golang, Cosmos SDK and Consensus. We reported 16 findings: 3 critical, 4 major, 1 minor and 8 informational.

- Audit type: Cosmos SDK chain audit
- Technologies: Golang, Cosmos SDK, Consensus
- Ecosystem: Cosmos
- Delivered with: Oak Security
- Report date: 27 January 2025
- Full report (PDF): https://github.com/oak-security/audit-reports/blob/cbc736970bebf36cdfacb5792941fa7e295d7592/Gno/2025-01-27%20Audit%20Report%20-%20Gno%20Sprint%202%20v1.0.pdf
- Project website: https://gno.land
- Page: https://www.codezen.tech/audits/gno-land-chain-sprint-2/

## Findings by severity

| Severity | Count |
| --- | --- |
| Critical | 3 |
| Major | 4 |
| Minor | 1 |
| Info | 8 |
| Total | 16 |

Need a similar audit? Email info@codezen.tech or visit https://www.codezen.tech/.