Build Cross-Chain dApps Using CCIP
summary
Shows how to build CCIP apps that actually send encoded payloads using the evmToAnyMessage struct and call the CCIP Router; demo sends a text payload from Avalanche Fuji to Ethereum Sepolia, funds the sender contract with 1 LINK and the message arrives in about two minutes (watchable in the CCIP Explorer). Includes Remix and Hardhat examples: a minimal sender/receiver pair, on‑chain monitoring of finality (commit/risk/execute DNs), and a working cross‑chain NFT mint flow that mints via an encoded function call.
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chapters (10)
- 0:00Workshop introduction
- 1:54Chainlink beyond price feeds
- 6:34Cross-chain interoperability
- 11:26CCIP solves isolation
- 20:57Sending cross-chain messages
- 51:36Deploying CCIP sender/receiver
- 1:09:53How CCIP works
- 1:19:34Cross-chain NFT minting
- 1:45:19Workshop recap
- 1:49:13Q&A
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