We’re committed to providing web3 developers with top-tier infrastructure for creating novel decentralized applications. To further reinforce this commitment, Linea has integrated the industry-standard Chainlink Cross-Chain Interoperability Protocol (CCIP). We’re leveraging CCIP to enable developers to build secure and feature-rich cross-chain applications and expand the multi-chain ecosystem.
“We’re thrilled that Linea has integrated Chainlink CCIP and are excited to see how they will leverage it to drive innovation and expand the multi-chain ecosystem. This integration represents a significant advancement for Linea, enabling developers to create novel cross-chain applications and push the blockchain industry forward.”—Thodoris Karakostas, Head of Blockchain Partnerships at Chainlink Labs
We selected CCIP as our interoperability solution due to Chainlink’s exceptional track record in security and reliability. CCIP is uniquely distinguished as the only interoperability solution with level-5 cross-chain security. Additionally, it is supported by the Risk Management Network, an independent network that rigorously monitors and verifies cross-chain activities for suspicious behavior. This added layer of security is crucial, given the history of substantial losses in user funds caused by unreliable cross-chain infrastructure.
Chainlink has built one of the largest ecosystems in the blockchain industry and is being established as the industry-standard blockchain connectivity standard within capital markets. Connecting Linea to the Chainlink community and ecosystem offers a multitude of growth opportunities that help Linea get closer to its goals and increase ecosystem adoption.
Linea is the Ethereum L2 empowering the world to live onchain. As an EVM-compatible platform, Linea enables users to deploy and develop applications at a fraction of the cost and with greater speed. The protocol is built around three core components: the Sequencer, Prover, and Bridge Relayer, which together optimize execution while maintaining Ethereum’s security through zk-rollups. By rolling up its transactions and providing zk-proofs to Ethereum, Linea enhances scalability without compromising on security.
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In order to help enable cross-chain interoperability for our ecosystem, we needed access to a highly secure and reliable interoperability solution. After reviewing various solutions, we integrated Chainlink CCIP because it provides a multitude of important benefits and features, such as:
Defense-in-depth security—CCIP’s consensus and interoperability layer is powered by Chainlink decentralized oracle networks, which have already secured tens of billions of dollars for smart contracts and enabled over $12 trillion in onchain transaction value. CCIP also features additional layers of protection and reliability via the Risk Management Network.
Programmable Token Transfers—CCIP messages are programmable, meaning token transfers and arbitrary data transfers can be one atomic transaction. This enables instructions to be passed in the data payload regarding what to do with the tokens once they arrive at the destination chain.
Secure Token Transfers—CCIP features a plug-and-play solution consisting of audited token pool contracts that handle the complexity of burning and minting or locking and unlocking tokens across chains. CCIP token transfers also have additional security features like rate limits, and enable ecosystem partners to easily build new capabilities around a supported token via a single CCIP interface.
Arbitrary Messaging—CCIP enables the ability to send arbitrary data (encoded as bytes) to a receiving smart contract on a different blockchain. The developer is free to encode any data they wish to send. Typically, developers use arbitrary messaging to trigger an informed action on the receiving smart contract, such as rebalancing an index, minting a specific NFT, or calling an arbitrary function with the sent data as custom parameters. Developers can encode multiple instructions in a single message, enabling them to orchestrate complex, multi-step, multi-chain tasks.
Extendable and future-proof—CCIP is built to support continuous updates, such as the integration of new blockchains, the introduction of advanced functionalities, and the addition of other defense-in-depth approaches to security. Thus, integrating CCIP eliminates future switching costs should new cross-chain functionalities be required.
"We are excited to integrate industry-standard Chainlink CCIP, reinforcing our commitment to providing top-tier infrastructure for our ecosystem developers. This integration not only expands Linea’s cross-chain accessibility but also aligns us with Chainlink’s extensive ecosystem, accelerating our journey toward greater adoption and innovation in the blockchain industry."—Declan Fox, Head of Product, Linea
About Chainlink
Chainlink is the universal platform for pioneering the future of global markets onchain. Chainlink has enabled over $15 trillion in transaction value by providing financial institutions, startups, and developers worldwide with access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink powers verifiable applications and high-integrity markets for banking, DeFi, global trade, gaming, and other major sectors.
Learn more about Chainlink by visiting chain.link or reading the developer documentation at docs.chain.link.
About Linea
Linea is the home network for the world. One where users are in control, empowered to set the terms for their digital and financial lives. Our leading ZK technology makes Ethereum effortless, unlocking web2-like speed, cost, and scale. We offer rich builder support, including Metamask Developer integrations, to help builders create more powerful, stickier dapps. Spearheaded by Ethereum ecosystem leaders, and together with the Linea community—we drive significant advancements across onchain experience for everyone.
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