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Interoperability and bridging let Hedera applications communicate and move assets across other networks so a dApp is not confined to a single chain. These integrations fall into two broad groups:
  • Cross-chain messaging protocols that carry arbitrary data and token transfers between chains, such as Chainlink CCIP and LayerZero.
  • Ready-to-use bridged assets that already span multiple chains, such as USDT0, the omnichain deployment of Tether’s USDT.
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Chainlink CCIP

Programmable cross-chain messaging and token transfers with built-in risk controls.
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LayerZero

Omnichain messaging and token bridging via the OApp and OFT standards.
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USDT0

Omnichain USDT on Hedera, built on LayerZero’s OFT standard.

Choosing an integration

Match the integration to what you are trying to do, not the other way around.
IntegrationBest forYou deploy a contract?Under the hood
Chainlink CCIPProgrammable cross-chain messaging and token transfers with risk controlsYes, integrate the CCIP router and receiverCCIP messaging plus supported token transfers
LayerZeroSending arbitrary messages or bridging your own token across chainsYes, an OApp/OFT contract (or HTS Connector for HTS tokens)OFT, ONFT, OFT Adapter, HTS Connector
USDT0Using a dollar stablecoin that already exists on Hedera and other chainsNo, the token is already deployedHTS token; LayerZero OFT