Mantle L2 Rollup
July 2023
Sigma Prime reviewed Mantle L2 rollup architecture and implementation assumptions across validator and sequencer behavior, fraud-related paths, and implementation safety. The case study is relevant for rollup teams scoping audits across contracts, protocol logic, and operator assumptions.
Executive summary
Sigma Prime reviewed Mantle’s L2 rollup architecture and implementation assumptions around validator/sequencer behavior and fraud-related pathways. The report identified one critical issue and several high-severity findings, alongside medium/low hardening recommendations. The resulting remediation plan strengthens pre-launch security posture and improves reliability of core rollup mechanics.
By the numbers
Total findings
38
High + critical findings
6
What we reviewed
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L2 protocol mechanics
Core rollup behavior and correctness-sensitive paths in the assessed scope.
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Validator and sequencer assumptions
Trust, slashing, and fraud-related behavioral assumptions in system design.
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Implementation safety
Panic, bounds, and edge-case handling in key modules and logic flows.
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