Security Audit Report: Reentrancy & Access Control Review: Bitget

Target Protocol : Bitget (TVL: $6870.0M)

Security Audit Report

Reentrancy & Access‑Control Review – Bitget

Protocol: Bitget (TVL ≈ $6.87 B on Ethereum & L2s)

Date: 26 Oct 2026

Prepared by: [Your Name] – Senior DeFi Security Researcher & Smart‑Contract Auditor

1. Executive Summary

Bitget is a high‑throughput, cross‑chain liquidity hub that aggregates spot, perpetual, and lending services on Ethereum and several Layer‑2 roll‑ups. The protocol’s total value locked (TVL) of ~$6.87 B makes it a prime target for sophisticated adversaries.

Our audit focused on two core security dimensions:

Scope Description

Reentrancy Examination of all external‑call patterns, state‑update ordering, and usage of the Checks‑Effects‑Interactions (CEI) paradigm across deposit, withdraw, trade, and liquidation pathways.

Access Control Review of role‑based permissions (owner, admin, keeper, emergency‑stop, upgradeability), multi‑sig governance, and any…