Chainlink's Cross-Chain Interoperability Protocol (CCIP) will be opened to developers on multiple testnets on July 20th.

On July 18th, crypto oracle provider Chainlink announced the launch of its Cross-Chain Interoperability Protocol (CCIP), a technology aimed at linking public and private blockchains for applications, and has gone live on Avalanche, Ethereum, Optimism (now renamed OP Mainnet), and Polygon mainnets. Chainlink stated that Synthetix, a synthetic asset protocol, is using CCIP to seamlessly transfer tokens across chains through a highly secure burn and mint model. Starting from July 20th, developers will be able to use CCIP through five testnets, including Arbitrum Goerli, Avalanche Fuji, Ethereum Sepolia, Optimism Goerli, and Polygon Mumbai.