: LayerZero Just Apologized — But the Biggest Question About the $290M Hack Is Still Open

 LayerZero Labs broke weeks of silence on May 9 with a public apology posted on X. The cross-chain protocol's team admitted it handled communications badly in the three weeks since a Lazarus Group attack drained roughly $290 million from KelpDAO's rsETH bridge. It was a rare moment of directness from a DeFi team under pressure.

The attack, which hit on April 18, targeted the RPC nodes that feed data to LayerZero's verification system. Lazarus operatives replaced software on at least two nodes with malicious binaries designed to forge transaction data. They then knocked the remaining legitimate nodes offline with a DDoS attack. The verifier read from the poisoned nodes and signed off on transactions that never happened.

The damage stayed contained to KelpDAO's bridge, which ran a single verifier with no redundancy — a setup LayerZero has since banned. The protocol said more than $9 billion has moved across its infrastructure since April 19 without any other incident.

In the May 9 update, LayerZero Labs outlined several changes already underway. The team launched OneSig, a custom-built multisig that moves the hashing and signing process onto the signer's own machine rather than relying on the backend. The company is also moving default verification setups from the risky 1-of-1 model to a minimum of 3/3, and is building a second DVN client in Rust for added diversity.

What the update still does not answer is how Lazarus Group got root access to the RPC nodes. That entry point, the initial breach before any of the poisoning or DDoS activity, has not been explained in any LayerZero statement since the hack. Security researchers raised this gap in April. It remains open.

KelpDAO has already left. The project moved its rsETH to Chainlink's cross-chain infrastructure citing security concerns. How many other projects quietly re-evaluate their LayerZero setup in the coming weeks will say a lot about how much the apology and the technical changes actually move the needle.

For the full breakdown of what happened, what LayerZero is changing, and what is still unanswered, read the complete analysis at CryptoNewsLive.org.

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