Radiant Capital Hack Sees $10.8M Laundered in Ethereum

The hacker behind the October 2024 Radiant Capital exploit has moved about $10.8 million in Ethereum (ETH), reports Cointelegraph. This transfer went through the privacy mixer Tornado Cash, according to blockchain security firm CertiK. This move makes it harder for authorities and analysts to trace the stolen funds and recover them.

🚨 ALERT: The Radiant hacker has deposited $10.8M tied to the Oct 2024 exploit in $ETH to Tornado Cash, per Certik. pic.twitter.com/YKqMgE3zEC

— Cointelegraph (@Cointelegraph) October 23, 2025

The October 2024 Exploit

On October 16, 2024, Radiant Capital suffered a huge hack. The attacker exploited a weakness in the platform’s multi-signature wallet system. By gaining control over three of the eleven required signers, the hacker replaced the implementation contract of the lending pool and drained assets.

The breach resulted in $53 million in stolen funds, initially in tokens like ARB and BNB. The hacker later converted most of these assets into Ethereum. The event shocked the DeFi community and raised concerns about safety in decentralized finance platforms.

How the Funds Were Laundered

After the hack, the attacker used a lot of methods to hide the stolen ETH. CertiK’s analysis shows the hacker sent the funds through multiple DeFi protocols, including Stargate Bridge, Synapse Bridge and Drift FastBridge.

Eventually, the attacker deposited $10.8 million into Tornado Cash. This mixer makes it extremely difficult to trace the flow of crypto by breaking the link between sender and receiver addresses.

Tornado Cash and Its Role

Tornado Cash is a decentralized app that provides privacy for cryptocurrency users. It allows anyone to send and receive funds without leaving a clear on-chain trail.

While it serves legitimate privacy needs, hackers usually use Tornado Cash to hide stolen funds. Even with rules and sanctions in some countries, Tornado Cash is still running, making it hard for investigators to trace illegal transactions.

Investigations and Challenges

Radiant Capital has been working closely with law enforcement and blockchain analytics firms like Chainalysis and aims to recover the stolen funds.

However, the use of privacy mixers like Tornado Cash slows the process. Tracing funds that move through multiple DeFi platforms requires complex tools and expertise. The incident shows how difficult it can be to tackle crime in decentralized financial systems.

Lessons for the DeFi Ecosystem

The hack underscores the risks in DeFi platforms. It also highlights the need for stronger security protocols and better risk management.

For investors, this is like a reminder to carefully evaluate the platforms they use. Decentralized finance offers high rewards, but it also comes with high risks. Ensuring smart contract security and platform transparency is key for protecting user funds.

Preparing for the Future: DeFi Security Challenges

As the DeFi sector grows, hackers will continue to target platforms with vulnerabilities. Companies need to stay vigilant and implement strong safeguards. Meanwhile, regulators and blockchain security firms must develop new strategies to monitor and prevent any illegal activity.

The Radiant Capital hack shows that while DeFi innovation brings exciting opportunities, it also demands careful attention to security. Both investors and platforms must learn from these events to make sure of a safer crypto ecosystem.