How much was lost in the FOOM Cash hack?

The FOOM Cash hack resulted in $2.3M in losses on March 02, 2026.

What attack technique was used in the FOOM Cash exploit?

The FOOM Cash exploit utilized Fake Proof Spam. Understanding this attack vector is critical for smart contract auditors and developers building secure DeFi protocols.

How can developers prevent similar smart contract attacks?

Preventing smart contract hacks requires a combination of secure coding practices, thorough security audits, and understanding common attack vectors like reentrancy, oracle manipulation, and access control flaws. Smart Contract Hacking (SCH) provides hands-on training to help developers and auditors identify and prevent vulnerabilities before deployment.

FOOM Cash Hack

TOTAL LOST $2.3M

Medium Mar 02, 2026 Fake Proof Spam base ethereum

Affected Chain base 2 chains affected

Recovered - No recovery reported

All-Time Rank #619 By amount stolen

Protocol Type Privacy Target category

Incident Overview

FOOM Cash is a privacy-focused game built on Ethereum and Base. It uses advanced zk-SNARK cryptography to allow users to play for three simultaneous prizes—without revealing the user's identity

This is classified as a Phishing Attacks . Compare similar hacks →

Incident Report

Protocol / Project FOOM Cash

Date of Incident March 02, 2026

Affected Chain(s) base ethereum

Attack Technique Fake Proof Spam

Classification Protocol Logic

Primary Source View Post-Mortem

Protocol Information

Protocol Type Privacy

Smart Contract Language Solidity

Official Website foom.cash

Protocol Twitter/X @FOOMCASH

Market Context at Time of Hack

Token Categories

Celo Ecosystem

Protocol Links

GitHub Discord 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 fake proof spam and Solidity and EVM internals

Capital Required Seed capital to cover gas and initial position setup

On-Chain Access Ability to interact with base, ethereum smart contracts and deploy a custom exploit contract

Protocol Analysis Identification of the exploitable vulnerability in FOOM Cash's contract logic - root cause: protocol logic

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 Fake Proof Spam audit checklist and test coverage

If you're auditing a protocol with similar architecture to FOOM Cash, these are the critical security checks that could have prevented this incident (March 2026).

Verify all logic paths related to Fake Proof Spam are guarded by proper access controls and input validation - see the Phishing 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.

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Related Attack Classes

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

See all Phishing Attacks examples →

Phishing Attacks

Sources & References

01
Source 1 https://x.com/CertiKAlert/status/2026935120943526178

Threat Assessment

Severity Level

MEDIUM

Attack Vector Fake Proof Spam
Root Cause Protocol Logic
Year 2026

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