Coinbase Wrapped BTC (cbBTC) Smart Contract Audit

Project Background

This project implements an upgradeable proxy architecture using the Admin-controlled transparent proxy pattern. The FiatTokenProxy delegates all logic calls to an underlying implementation contract while maintaining storage and upgrade control within the proxy.

The design separates:

  • Logic (implementation contract)
  • Storage & control (proxy contract)

An admin account manages upgrades and administrative operations, while regular users interact transparently with the implementation via fallback delegation.

Website: www.coinbase.com

Executive Audit Summary

  • According to the standard audit assessment, the Customer`s solidity smart contracts are Secured”. Also, these contracts contain owner control, which does not make them fully decentralized.
  • We used various tools like Slither, Solhint and Remix IDE. At the same time this finding is based on critical analysis of the manual audit.
  • We found 0 critical, 0 high, 0 medium, 0 low, and 1 very low-level issue.

Audit Report in PDF


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Audit Report Flip book

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