QAN Platform Hack

TOTAL LOST $705K
Low Other

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2022 Incident surface
Recovered - No recovery reported
All-Time Rank #919 By amount stolen
Auditors 1 Prior security audit

Incident Overview

Quick Summary

QANplatform Bridge was exploited on the Ethereum chain. The attacker stole 704,000 $USD using a smart contract vulnerability.

Details of the Exploit

On May 18 QANplatform Bridge was affected. The attacker took advantage of the vulnerability of the bridgeWithdraw function, then exchanged tokens using Uniswap. Approximately 368 ETH was laundered via TornadoCache.

Attacker transferred from (0x1c846566…9cbcE2) to (0xc6d3F752…0f07Ce, 0x189e078E…1ad995,

0x76b64Ff3…E912f2) in total 368 ETH, here is the transaction:

Transaction 1 (325 ETH): https://etherscan.io/tx/0xbe9159b1…83215e

Transaction 2 (18 ETH): https://etherscan.io/tx/0xe1c342cd…94db99

Transaction 3 (25 ETH): https://etherscan.io/tx/0x97a7d4f1…6363b9

Block Data Reference

Addresses involved in this exploit:

https://etherscan.io/address/0xc6d3f752…0f07ce

https://etherscan.io/address/0x189e078e…1ad995

Victim address: https://bscscan.com/address/0xAAA4940a…c15AaA

Incident Report

Protocol / Project QAN Platform
Date of Incident
Attack Technique Other
Classification Token
Primary Source View Post-Mortem #1 View Post-Mortem #2

Protocol Information

Protocol Type Exploit/Other
Affected Token QANX
Official Website qanplatform.com/en
Protocol Twitter/X @QANplatform
Team Public / Doxxed
Source Code Verified On-Chain

Market Context at Time of Hack

Token Categories
DeFi Quantum-Resistant Ethereum Ecosystem BNB Chain Ecosystem
Protocol Links
GitHub Reddit

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of other and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in QAN Platform's contract logic - root cause: token
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Likely — with a thorough Other audit checklist and test coverage
Audited by Certik — still lost $705K. Prior audits don't guarantee safety, especially after post-audit code changes.

If you're auditing a protocol with similar architecture to QAN Platform, these are the critical security checks that could have prevented this incident (May 2022).

  • Verify all logic paths related to Other are guarded by proper access controls and input validation
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

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Security Audit History

Sources & References

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