50BTC Hack

TOTAL LOST $14K
Low Other

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2012 Incident surface
Recovered - No recovery reported
All-Time Rank #1917 By amount stolen
Protocol Type Exploit/Other Target category

Incident Overview

The 50BTC mining pool suffered a hack of the billing software in late 2012. They were unable to identify the vulnerability. After the incident, 50BTC completely rewrote the billing software.

Incident Report

Protocol / Project 50BTC
Date of Incident
Attack Technique Other
Classification Other
Primary Source View Post-Mortem

Protocol Information

Protocol Type Exploit/Other
Official Website www.50btc.com/
Team Anonymous
Source Code Unverified

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 50BTC's contract logic - root cause: 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? Likely — with a thorough Other audit checklist and test coverage

If you're auditing a protocol with similar architecture to 50BTC, these are the critical security checks that could have prevented this incident (October 2012).

  • 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

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Sources & References

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