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Kelp DAO is contesting LayerZero’s post-mortem of the April 18 rsETH bridge exploit. LayerZero’s account attributed the incident to Kelp, saying the protocol had ignored repeated recommendations to move from a 1-of-1 DVN configuration to a multi-verifier setup. Kelp disputes both the idea that its configuration was a fringe choice and the claim that LayerZero issued specific warnings.
In an April 20 statement, Kelp said the single-verifier setup it used was LayerZero’s own documented default, rather than a deviation from best practices. Kelp also argued that LayerZero relied on its documentation and the guidance of LayerZero’s team when making configuration decisions, and that communications between the two teams—open since January 2024—did not produce a specific recommendation to change the rsETH DVN configuration.
Kelp further contended that the compromised DVN was part of LayerZero’s own infrastructure, not a third-party verifier that Kelp had independently selected.
At least one independent security researcher supported Kelp’s framing. Yearn Finance core developer Artem K (known as @banteg on X) published a technical review of LayerZero’s public deployment code. He said the V2 OApp Quickstart ships with single-source verification defaults across Ethereum, BSC, Polygon, Arbitrum, and Optimism, and that the reference setup leaves a public endpoint exposed that leaks the list of configured servers.
Chainlink community manager Zach Rynes also said on X that LayerZero was “deflecting responsibility” for its own compromised infrastructure.
LayerZero has not publicly responded to Kelp’s rebuttal. Separately, LayerZero has said it will no longer sign messages for any application running a 1-of-1 configuration, a move that it said will force a protocol-wide security migration.
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