Smashcash Hack

TOTAL LOST $20K
Low Other

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain 2023 Incident surface
Recovered - No recovery reported
All-Time Rank #1885 By amount stolen
Auditors 1 Prior security audit

Incident Overview

Quick Summary

Smashcash was scammed and dumped the token price after unlocking team allocation.

Details of the Exploit

After the project was released the team allocation tokens were locked to the vesting contract. On the 13th of Feb 2023, tokens were unlocked and sold by a few different addresses. The price of tokens was dumped significantly.

Block Data Reference

Initial mint:

https://bscscan.com/tx/0x938ea5a7…c069d6

Sales:

https://bscscan.com/token/0x3d0e93bf…b424c3?a=0x5a4942cb…fb2252

https://bscscan.com/token/0x3d0e93bf…b424c3?a=0xc1ca0f0f…e2c2a8

https://bscscan.com/token/0x3d0e93bf…b424c3?a=0xc2880c4f…2c849c

Incident Report

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

Protocol Information

Protocol Type Exit Scam/Other
Affected Token SMASH
Official Website smashcash.io/
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 Smashcash'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 $20K. Prior audits don't guarantee safety, especially after post-audit code changes.

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

  • 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

  • Certik 2021-12-30 Report unavailable

Sources & References

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