How much was lost in the Block Chain Games hack?

The Block Chain Games hack resulted in $40K in losses on March 13, 2023.

What attack technique was used in the Block Chain Games exploit?

The Block Chain Games exploit utilized Rugpull. 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.

Block Chain Games Hack

TOTAL LOST $40K

Low Mar 13, 2023 Rugpull

Affected Chain 2023 Incident surface

Recovered - No recovery reported

All-Time Rank #1771 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

Block Chain Games was rugpulled for 39,686 $USD. The scammer used a privileged function to mint a huge amount of BCGA tokens.

Details of the Exploit

Block Chain Games is a BEP20 token trading on PancakeSwap with the token symbol BCGA. The scammer, which is the deployer of the token, used a privileged function to mint 10,000,000,000,000,000,000 $BCGA tokens and drained the token pool on Pancake. The total profit of the scammer reached 128,45 $BNB which is worth 39,686 $USD at the moment.

The total stolen amount was transferred to another EOA address, which then distributed the funds to several addresses.

Block Data Reference

Attacker address:

https://bscscan.com/address/0x44f2526b…cf8acb

Malicious transaction:

https://bscscan.com/tx/0x59367a10…04355c

Draining transaction:

https://bscscan.com/tx/0x13e1bc8b…ad3647

Incident Report

Protocol / Project Block Chain Games

Date of Incident March 13, 2023

Attack Technique Rugpull

Classification Token

Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull

Affected Token BCGA

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 rugpull 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 Block Chain Games'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? Hard to catch — private key / OpSec failures are outside smart contract audit scope

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

Verify all logic paths related to Rugpull 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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Sources & References

01
Source 1 https://twitter.com/BeosinAlert/status/1635173671240364032?s=20

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2023

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