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Solv Protocol, which focuses on bringing Bitcoin into decentralized finance, is migrating its entire cross-chain infrastructure from LayerZero to Chainlink CCIP following a comprehensive review of interoperability security standards, the team said in a May 7 announcement.
The upgrade aims to secure more than $700 million in wrapped Bitcoin assets tied to SolvBTC and xSolvBTC, according to Solv. The move means that Chainlink CCIP will become the protocol’s default cross-chain communication layer on all supported networks.
Built by Solv Protocol, SolvBTC gives Bitcoin holders access to DeFi opportunities without giving up direct BTC exposure. The protocol also supports cross-chain interoperability and institutional-style Bitcoin yield products through its BTCFi infrastructure.
Solv said repeated bridge-related hacks across the crypto industry reinforced the need for stronger security assurances and lower systemic risk, leading the team to standardize on Chainlink’s infrastructure.
The decision to adopt Chainlink CCIP was driven by its strong security guarantees, decentralized architecture, and growing recognition as one of the most reliable interoperability solutions in the blockchain industry, as noted by the team.
“Security is the foundation of everything we build at Solv, and our migration to Chainlink CCIP reinforces that commitment at the highest level,” Will Wang, Chief Technology Officer at Solv, explained.
“By fully securing SolvBTC and xSolvBTC cross-chain transfers with CCIP, we are providing users the highest assurance that proven, defense-in-depth infrastructure secures all cross-chain transfers. This strategic migration positions Solv to scale with the reliability and institutional-grade security assurance the market demands,” Wang added.
The protocol is simultaneously deprecating LayerZero bridge support for Corn, Berachain, Rootstock, and TAC as part of an effort to simplify and harden its bridging architecture.
Chainlink Labs said the migration showed an accelerating trend among major DeFi protocols adopting CCIP to meet institutional security expectations and support the next wave of onchain adoption.
“We are proud to work with the Solv team and support their migration to Chainlink CCIP as the standardized way that their wrapped Bitcoin assets are securely transferred cross-chain,” Johann Eid, Chainlink Labs’ Chief Business Officer, said.
LayerZero faces scrutiny after KelpDAO disputes bridge hack explanation
LayerZero Labs is under pressure following a $300 million DeFi bridge exploit on April 18.
In a post-attack report, the team stated that the incident involved poisoning of RPC infrastructure used by the LayerZero Labs DVN, where attackers compromised selected RPC endpoints, altered node binaries, and induced verification failures through coordinated spoofing and network disruption tactics.
LayerZero argued that the vulnerability arose from KelpDAO’s use of a single-DVN configuration, contrary to recommended multi-DVN redundancy practices designed to prevent exactly this type of failure.
In response, KelpDAO said LayerZero Labs wrongly shifted blame. According to Kelp, attackers compromised RPC nodes connected to LayerZero’s DVN system and used forged attestations to execute fraudulent transactions.
The team argued that the vulnerable 1-1 DVN setup was widely used, approved, and documented by LayerZero before the company changed its policy following the hack.
Following the exploit, Kelp announced plans to migrate rsETH bridging infrastructure to Chainlink CCIP.
Disclosure: This article was edited by Vivian Nguyen. For more information on how we create and review content, see our Editorial Policy.
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