# Gno Sprint 1 security audit

Gno.land is a Proof of Contribution chain running Gno, a deterministic implementation of Go for smart contracts. This sprint audit reviewed the VM keeper, end-block operations, validator updates and the MsgAddPkg, MsgCall and MsgRun handlers.

Codezen audited Gno Sprint 1 together with Oak Security. Technologies in scope: Golang, Cosmos SDK and Consensus. We reported 33 findings: 3 critical, 6 major, 7 minor and 17 informational.

- Audit type: Cosmos SDK chain audit
- Technologies: Golang, Cosmos SDK, Consensus
- Ecosystem: Cosmos
- Delivered with: Oak Security
- Report date: 17 January 2025
- Full report (PDF): https://github.com/oak-security/audit-reports/blob/cbc736970bebf36cdfacb5792941fa7e295d7592/Gno/2025-01-17%20Audit%20Report%20-%20Gno%20Sprint%201%20v1.0.pdf
- Project website: https://gno.land
- Page: https://www.codezen.tech/audits/gno-land-chain-sprint-1/

## Findings by severity

| Severity | Count |
| --- | --- |
| Critical | 3 |
| Major | 6 |
| Minor | 7 |
| Info | 17 |
| Total | 33 |

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