Botanix Macbeth

May 2025

Bounty Meridian assessed Botanix Macbeth across peg-in and peg-out behavior, EVM integration, transaction economics, and validation paths. The case study is relevant for Bitcoin-settled L2 designs where asset movement, execution semantics, and economic assumptions meet.

Engagement snapshot

The review found a high concentration of high-severity/high findings in key asset-movement and validation paths, besides /low improvements. Bounty Meridian assessed Botanix Macbeth with focus on peg-in/peg-out correctness, EVM integration behavior, and economic safety assumptions. The report materially cuts loss and consensus-risk exposure by prioritizing fixes to value-sensitive execution logic.

By the numbers

Total findings

34

High + high-severity findings

20

Scope we covered

  • Peg-in and peg-out machinery

    Safety and correctness of cross-system asset movement logic.

  • Validation and deserialization paths

    Input handling and panic/edge-case resilience in severe parsing parts.

  • Economic correctness

    Gas and value assumptions affecting refunds, accounting, and exploitability.

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