Decentralized oracle project Chainlink 
LINK -2.94% has integrated Circle’s cross-chain transfer protocol (CCTP) with its own CCIP system, aiming to securely move the 
USDC +0.07% stablecoin across blockchains.
Chainlink said leveraging both technologies will open up new stablecoin use cases around payments and DeFi. “We’re excited to support the adoption of stablecoins across a variety of cross-chain use cases,” said Sergey Nazarov, co-founder at Chainlink. “I’m pleased to see that the defense-in-depth security infrastructure of CCIP, with multiple layers of decentralization, is highly valued by developers building with USDC.”
Both technologies — with similar-sounding acronyms — are designed to link assets across networks. Yet there are distinctions.
Chainlink’s CCIP is a generalized cross-chain messaging framework that allows developers to transfer data and assets across chains — using a smart contract-based mechanism that's powered by Chainlink oracles.
Meanwhile, Circle – the issuer of USDC — operates CCTP. This is a standardized bridge protocol that lets users make native USDC transfers by burning and minting the stablecoin between supported chains. CCTP is available on seven networks: Arbitrum, Avalanche, Base, Ethereum, Noble, OP Mainnet, and Polygon PoS.
Multiple interoperability-focused protocols and bridge projects — such as Celer Network, Li.Fi, and Wormhole — have already integrated Circle’s CCTP. Chainlink is the latest to do so.
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