LayerZero blamed Kelp for using one verifier instead of several, while Kelp said LayerZero staff had reviewed its setup and never objected. CoinGecko data showed nearly half of active LayerZero apps used the same one-verifier arrangement, and Kelp said it would move rsETH to Chainlink.

CCIP 2.0 offers a similar menu of verifiers, which lets companies run their own or hire outside providers such as Infosys and Nethermind. Chainlink’s own network of 16 independent node operators still checks every transfer, regardless of what else a user adds.

Users shouldn’t have to be “cross-chain security infrastructure experts,” the company told CoinDesk.

“Historically, legacy bridges have lost billions due to insecure infrastructure, while in-house…