How much was lost in the CKD TOKEN hack?

The CKD TOKEN hack resulted in $485K in losses on December 05, 2023.

What attack technique was used in the CKD TOKEN exploit?

The CKD TOKEN 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.

CKD TOKEN Hack

TOTAL LOST $485K

Low Dec 05, 2023 Rugpull

Affected Chain 2023 Incident surface

Recovered - No recovery reported

All-Time Rank #1017 By amount stolen

Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

CKD token was rugpulled on PancakeSwap, with 485,176 USD worth of BNB stolen in a series of 33 transactions.

Details of the Exploit

CKD is a BEP20 token trading on PancakeSwap. On Dec 5, 2023, the scammer conducted an exit scam by selling a significantly large number of tokens in 33 transactions, completely depleting the liquidity pool. The deployer initially sent 0.05 BNB to the scammer's address for gas fees before the tokens were sold.The stolen funds in the amount of USD 485,176 were transferred to another EOA and as of December 14, 2023.

still remain at this address as BSC-USD.

Block Data Reference

Deployer Address:

https://bscscan.com/address/0xd03E23Da…9B0dC1

Scammer Address:

https://bscscan.com/address/0xcfC9d035…A6856a

Liquidity Removal Transactions:

https://bscscan.com/tx/0xf4b1f69a…7bcbcd

https://bscscan.com/tx/0xec99837b…2abfda

https://bscscan.com/tx/0xb9b49619…9db07d

Funds Holder as of Dec 14, 2023:

https://bscscan.com/address/0xE934b442…535b35

Scammer Funding Transaction:

https://bscscan.com/tx/0x37acc49d…15d06a

Incident Report

Protocol / Project CKD TOKEN

Date of Incident December 05, 2023

Attack Technique Rugpull

Classification Token

Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull

Affected Token CKD

Official Website www.drachmae.co.uk/

Protocol Twitter/X @E_Drachma

Team Anonymous

Source Code Verified On-Chain

Market Context at Time of Hack

Protocol Links

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 CKD TOKEN'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 CKD TOKEN, these are the critical security checks that could have prevented this incident (December 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/CertiKAlert/status/1732018126160560271?s=20

Threat Assessment

Severity Level

LOW

Attack Vector Rugpull
Root Cause Token
Year 2023

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