Crypto Hack Worth $290 Million Triggers DeFi Contagion Shock
By Sidhartha Shukla, April 19, 2026 – 8:20 AM UTC
In a major blow to the decentralized finance (DeFi) ecosystem, hackers exploited a cross-chain bridge on Saturday, draining nearly $300 million from a pivotal infrastructure element. The attack has sparked a widespread ripple effect across numerous cryptocurrency platforms, raising fresh concerns about security vulnerabilities in DeFi protocols.
The breach targeted a bridge leveraging LayerZero technology—a communication protocol designed to facilitate interoperability between different blockchains. By exploiting this bridge, the attacker was able to siphon approximately 116,500 rsETH tokens. These tokens, issued by Kelp DAO, represent “restaked” Ether, a form of the popular Ethereum cryptocurrency.
The total estimated loss stands at roughly $293 million, making this incident the largest DeFi exploit recorded so far in 2026. The attack underscores the growing risks associated with increasingly complex cross-chain services that many DeFi projects rely upon for seamless asset transfer and liquidity.
Industry experts emphasize that while cross-chain bridges have become critical to enabling decentralized finance’s growth, they also represent attractive targets for hackers due to their technical complexity and potential reward. The fallout from this exploit has caused alarm among investors and developers who are now reassessing security frameworks and risk management strategies to mitigate such vulnerabilities moving forward.
As investigations continue, stakeholders across the crypto community are closely monitoring the situation and examining potential impacts on the broader decentralized finance landscape.
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