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The safety of the Ethereum protocol is regularly being improved, and one latest effort is the exterior safety assessment of the Pectra System Contracts.
The outcomes of this assessment may be discovered within the audits repository, and the TL;DR is that every one found points deemed related or essential from these opinions have been addressed.
Audit Scope and Methodology
The Pectra System Contracts embody a number of EIPs (EIP-2935, EIP-7002, and EIP-7251), and opinions have been primarily carried out to:
- Consider the contracts for potential assault vectors.
- Make sure that the contract logic precisely implements the meant performance as per the EIP specs.
A multi-phase strategy was taken, with every audit constructing upon the findings of earlier ones:
- Blackthorn Audit
- Dedaub Audits
- PlainShift Audit
- Sigma Prime Audit
Between every assessment, code enhancements have been made earlier than continuing to the subsequent spherical of audits.
Formal Verification
Along with the safety opinions listed above, a16z performed a Formal Verification using Halmos.
They used Halmos to formally confirm the purposeful correctness of those contracts. This particularly targeted on whether or not the bytecode aligned with the spec, relatively than evaluating the safety of the spec itself towards potential abuse or malicious use. This separation of issues permits auditors and the group to assessment the spec with out worrying about low-level bytecode implementation particulars.
Subsequent Steps
The complete stories may be discovered within the Pectra System Contracts Audits repository.
A bug bounty competitors is at present operating on Cantina has rewards of as much as $2,000,000 for findings associated to Pectra.
As at all times, the safety of the Ethereum ecosystem is a collective effort. We prolong our gratitude to all of the auditors and contributors who’ve performed an essential half on this course of!
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