Taiko
February 2024
Sigma Prime reviewed Taiko bridge and protocol smart contracts with focus on message integrity, proof and signature assumptions, and assignment-related logic. The case study is relevant for L2 teams where bridge behavior, verifier assumptions, and incentive hooks share the same trust boundary.
Executive summary
Sigma Prime performed a smart-contract security assessment of Taiko with focus on bridge/message integrity, signature/proof assumptions, and assignment-related hooks. The report identified critical/high issues plus additional medium/low hardening findings across protocol-sensitive paths. Recommendations prioritize message safety and correctness of incentive/assignment behavior in production conditions.
By the numbers
Total findings
27
High + critical findings
8
What we reviewed
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Bridge and messaging logic
Fraud and replay-sensitive behavior in cross-domain message handling.
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Proof and signature paths
Integrity of signature hashing and verification assumptions.
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Assignment and incentive hooks
Correctness and abuse resistance in proposer/prover-related hooks.
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