# Structured CosmWasm and Solana Updates security audit

Structured's maxBTC is a cross-chain yield and tokenization system; this audit covered updates to its Solana programs (jupiter-helper, wormhole-helper, waitosaur) and CosmWasm contracts. Neutron mints and burns the token.

Codezen audited Structured CosmWasm and Solana Updates together with Oak Security. Technologies in scope: Rust, CosmWasm, Solana and Bitcoin. We reported 55 findings: 16 major, 27 minor and 12 informational.

- Audit type: CosmWasm and Solana program audit
- Technologies: Rust, CosmWasm, Solana, Bitcoin
- Ecosystem: Cosmos, Solana, Bitcoin
- Delivered with: Oak Security
- Report date: 24 December 2025
- Full report (PDF): https://github.com/oak-security/audit-reports/blob/main/Structured/2025-12-24%20Audit%20Report%20-%20Structured%20CosmWasm%20and%20Solana%20Updates%20v1.0.pdf
- Project website: https://github.com/structured-org
- Page: https://www.codezen.tech/audits/structured-maxbtc-cosmwasm-and-solana-updates/

## Findings by severity

| Severity | Count |
| --- | --- |
| Critical | 0 |
| Major | 16 |
| Minor | 27 |
| Info | 12 |
| Total | 55 |

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