2.92 亿美元 Kelp 被盗事件：事件经过及其对 DeFi 的意义

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The $292 million Kelp exploit: how it happened, and what it means for DeFi 2026 is shaping up to be DeFi's "worst year in terms of hacks," Ledger's CTO said, as the Kelp exploit shows how a single point of failure can cascade across systems. What to know: - A major $292 million exploit of KelpDAO is rippling across the DeFi sector. - The incident is a reminder that as DeFi protocols become increasingly interconnected, a single weak link can ripple across the stack. - Trust in DeFi "eroded" as 2026 will "most likely be the worst year in hacks," Ledger's Guillemet said. A roughly $292 million exploit over the weekend has rattled the crypto industry, exposing vulnerabilities in decentralized finance (DeFi) infrastructure and raising concerns about knock-on effects across lending protocols. While investigations are still ongoing, early analysis suggests the attack centered on Kelp’s rsETH token — a yield-bearing version of ether (ETH) — and the mechanism used to move assets between blockchains. The attacker appears to have manipulated that system to create large amounts of tokens without proper backing, then quickly used them as collateral to borrow and drain real assets from lending markets, mostly from Aave The incident is the latest blow to DeFi, happening only a couple weeks after the $285 million exploit of Solana-based protocol Drift, further denting investor trust in the nearly $90 billion crypto sector. How the attack worked At a high level, the exploit targeted a LayerZero bridge component — a piece of infrastructure that enables assets to move across different blockchains, Charles Guillemet, CTO of hardware wallet maker Ledger, told CoinDesk in a note. Bridges typically work by locking assets on one chain and minting equivalent tokens on another. That process depends on a trusted entity — often called an oracle or validator — to confirm deposits. In this case, Kelp effectively acted as that verifier. According to Guillemet, the system relied on a single-signer setup, meaning just one entity could approve any transactions. "It seems the attacker was able to sign a message … allowing him to mint large amount of rsETH," he said. He added that it remains unclear how that access was obtained. Michael Egorov, founder of Curve Finance, pointed to the same weakness in the system's configuration. "Things can happen when you trust one single party — whoever that would be." That setup allowed the attacker to effectively create unbacked tokens, even though no corresponding assets were locked on the source chain. Once minted, the tokens were quickly deployed. The attacker "immediately deposited them in lending protocols mostly Aave to borrow real ETH against," Guillemet explained. That maneuver shifted the problem from a single exploit into a broader market issue. DeFi lending platforms are now left holding collateral that may be difficult to unwind, while valuable and liquid assets are already drained. "Aave was left with rsETH which cannot be really sold and maxborrowed [sic] ETH, so no one can withdraw ETH," Curve's Egorov said. As a result, Aave and other lending protocols may be sitting on hundreds of millions of dollars in questionable collateral and bad debt, he warned, raising concerns of a potential "bank run" dynamic as users rush to withdraw funds. Aave saw about a $6 billion drop in assets on the protocol as users yanked their assets following the incident. The token associated with the protocol was down about 15% over the past 24 hours' trading. What we still don’t know Key questions remain around how the validator was compromised. The system relied on LayerZero’s official node, raising uncertainty over whether it was hacked, misconfigured or misled. "Was it hacked? Was it fooled? We don't know," Egorov said. The attacker's identity is also unknown, though Guillemet said the scale of the attack suggests a sophisticated actor. "Clearly not some script kiddies," he said. Big blow for trust in DeFi Beyond the immediate losses, the exploit the episode serves as another reminder that as DeFi grows more interconnected, failures in one layer can quickly cascade across the system. Egorov argued that non-isolated lending models, where assets share risk across pools, amplify the impact of such events. He also pointed to shortcomings in how new assets are onboarded to lending platforms, saying configurations like Kelp's 1-of-1 verifier setup should have been flagged earlier. However, Egorov said there's a silver lining. "Crypto is a harsh environment which no bank would have survived — yet we are working with that," he said. "I think DeFi will learn from this incident and become stronger than before." Still, even as incidents like this lead to protocol upgrades and redesigns, they also chip away investor confidence in the broader DeFi sector. "All in all, the trust into DeFi protocols is eroded by this kind of event," Guillemet said. "And 2026 will most likely be the worst year in terms of hacks, again," he added. Read more: 'DeFi is dead': crypto community scrambles after this year's biggest hack exposes contagion risks More For You Firms using stablecoins can reshape margins by cutting costs, unlock credit and earn yield, but not every company needs to issue a token, Paxos Labs' Chunda McCain said. What to know: - Stablecoins are entering a new phase in which companies focus less on basic infrastructure and more on concrete business uses, such as yield and credit, Paxos Labs cofounder Chunda McCain said in an interview. - Businesses can tap lower payment costs and new revenue streams by using stablecoins, but not every...

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ID：ba5bd53e18

来源：CoinDesk

发布：2026-04-19 21:27:17

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