RiskOnBlast Hack

TOTAL LOST $1.3M
Medium Rugpull blast

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain blast Incident surface
Recovered - No recovery reported
All-Time Rank #771 By amount stolen
Protocol Type Exit Scam/Rugpull Target category

Incident Overview

Quick Summary

RiskOnBlast rugpulled 1,259,575 USD (420.50 ETH) from over 750 users, transferring funds to multiple exchanges and services.

Details of the Exploit

RiskOnBlast, a gambling and trading platform on the Blast layer-2 ecosystem, performed a rugpull, misappropriating 420.50 ETH worth approximately 1,259,575 USD from more than 750 users. The exploiter withdrew all funds held in the ROB contract, swapping them to DAI. The scammer transferred stolen funds through Change Now, MEXC, ByBit Exchange and others.

The project's social media profiles have been deleted.

Block Data Reference

Scammer Address:

https://etherscan.io/address/0x1EeB9631…EFC558

Malicious Contract Address:

https://etherscan.io/address/0x25f8C342…969840

Liquidity Removal Transaction:

https://etherscan.io/tx/0x68e96762…36a36b

Bybit Deposit Transaction:

https://etherscan.io/tx/0xd912de83…8609a4

ChangeNow Deposit Transaction:

https://etherscan.io/tx/0x8ecb4f76…54848b

MEXC Deposit Transaction:

https://etherscan.io/tx/0x9ddd6a35…a92e3c

Incident Report

Protocol / Project RiskOnBlast
Date of Incident
Affected Chain(s) blast
Attack Technique Rugpull
Classification Rugpull / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metaverse / Exchange (DEX),Gaming / Metav
Primary Source View Post-Mortem

Protocol Information

Protocol Type Exit Scam/Rugpull
Official Website www.riskonblast.xyz/
Protocol Twitter/X @RiskOnBlast
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 rugpull and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with blast smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in RiskOnBlast's contract logic - root cause: rugpull / exchange (dex),gaming / metaverse / exchange (dex),gaming / metaverse / exchange (dex),gaming / metaverse / exchange (dex),gaming / metaverse / exchange (dex),gaming / metaverse / exchange (dex),gaming / metaverse / exchange (dex),gaming / metav
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 RiskOnBlast, these are the critical security checks that could have prevented this incident (February 2024).

  • 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

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