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Bitcoin-centric DeFi platform Solv Protocol said it will migrate its cross-chain infrastructure from LayerZero to Chainlink’s Cross-Chain Interoperability Protocol (CCIP), citing security concerns after a major incident involving a LayerZero-powered protocol.
In a Thursday announcement, Solv said it will phase out LayerZero’s bridging support for SolvBTC and xSolvBTC with Corn, Berachain, Rootstock, and TAC. Solv designated Chainlink’s CCIP as its official cross-chain infrastructure solution for assets totaling more than $700 million.
Solv said it reviewed its existing bridges following recent industry events and concluded that CCIP offered the strongest security assurances. The company pointed to what it described as CCIP’s “secure-by-default architecture,” native risk controls, and proactive monitoring.
Solv added that CCIP is widely considered the “gold standard” for decentralized interoperability and is officially recognized by the White House as critical digital asset infrastructure.
Solv’s move follows the $292 million exploit on LayerZero-powered Kelp DAO last month. The attacker, suspected to be North Korea’s Lazarus Group, exploited a single-verifier configuration of an Omnichain Fungible Token (OFT) bridge to drain 116,500 rsETH from Kelp DAO.
After the incident, the exploit’s impact contributed to significant bad debt on the Aave protocol. LayerZero and Kelp publicly disputed responsibility: LayerZero criticized Kelp DAO’s 1-of-1 decentralized verifier network (DVN) setup, saying it had warned against it.
Kelp DAO responded that the 1-of-1 setup was LayerZero’s default onboarding recommendation, and said 47% of LayerZero apps use the single-verifier configuration. Earlier this week, Kelp announced it would drop LayerZero as its cross-chain infrastructure provider in favor of Chainlink.
Solv did not reference Kelp’s exploit or Kelp’s migration in its latest post. Instead, it said it needs to relocate to what it considers a more secure interoperability solution.
“Cross-chain bridges remain one of the most sensitive and high-risk areas in DeFi, with insecure bridges bringing systemic risk to the entire industry,” Solv wrote. “Recurring industry-wide security incidents have made this explicitly clear and reinforced the standard that all projects require the interoperability solution with the most robust security and decentralization.”
Solv also disclosed that it was exploited in March this year, when around $2.7 million was drained from one of its Bitcoin Reserve Offerings (BRO) token vaults.
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