Uwerx Hack

TOTAL LOST $327K
Low Flashloan Pool Shares Exploit / Flash Loan Attack ethereum

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain ethereum Incident surface
Recovered - No recovery reported
All-Time Rank #1125 By amount stolen
Protocol Type Exploit/Flash Loan Attack Target category

Incident Overview

Quick Summary

Uwerx, a freelancing platform running on the Ethereum chain, was exploited on Aug 2, 2023, losing 174.78 ETH worth 324,254 USD.

Details of the Exploit

The attacker targeted Uwerx via a Flashloan Attack and specifically exploited the protocol's skim and sync functions. These actions allowed the attacker to receive WERX tokens and drain funds from the UniSwap pool. The stolen funds were then swapped for native ETH and currently remain at the attacker's original address.

Block Data Reference

Attacker Address:

https://etherscan.io/address/0x6057A831…B1fCe4

Malicious Transaction: https://etherscan.io/tx/0x3b19e152…5b5af8

This is classified as a Flash Loans Attacks . Compare similar hacks →

Incident Report

Protocol / Project Uwerx
Date of Incident
Affected Chain(s) ethereum
Attack Technique Flashloan Pool Shares Exploit / Flash Loan Attack
Classification Ecosystem / Other
Primary Source View Post-Mortem

Protocol Information

Protocol Type Exploit/Flash Loan Attack
Affected Token WERX
Official Website www.uwerx.network/
Protocol Twitter/X @uwerx_network
Team Anonymous
Source Code Verified On-Chain

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 flashloan pool shares exploit / flash loan attack and Solidity and EVM internals
Capital Required Flash loan capital (borrowed atomically, zero upfront cost)
On-Chain Access Ability to interact with ethereum smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in Uwerx's contract logic - root cause: ecosystem / other
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? Yes — skilled auditors routinely flag Flashloan Pool Shares Exploit / Flash Loan Attack vulnerabilities in code review

If you're auditing a protocol with similar architecture to Uwerx, these are the critical security checks that could have prevented this incident (August 2023).

  • Verify all logic paths related to Flashloan Pool Shares Exploit / Flash Loan Attack are guarded by proper access controls and input validation - see the Flash Loans Attacks attack class for patterns
  • 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.

Free Trial

Related Attack Classes

The technique used in this hack maps to these vulnerability classes in our security curriculum:

See all Flash Loans Attacks examples →

Flash Loans Attacks

Proof-of-Concept Exploits

1 PoC available
poc-exploits - uwerx
$ Uwerx Fault logic

On-Chain Evidence & References

Sources & References

Browse all hacks

These hacks used the same attack technique. Understanding the pattern helps prevent future exploits.

Alpha Finance $37.5M
Flashloan Pool Shares Exploit / Flash Loan Attack

Learn to Prevent the Next Uwerx

The Uwerx hack is one of many attacks that skilled auditors are trained to detect before deployment. Master real exploit patterns and defense techniques with hands-on Web3 security training.

Start Free Trial Browse Attack Library
Recreate exploit patterns safely Free Trial