Chainlink 🛠 CCIP Walkthrough

Join us for an introduction on CCIP with Chainlink!
This workshop is part of ETHGlobal's flagship online event: ETHOnline 2023!
ETHOnline 2023 has grown into one of the most exciting events on our calendar, anticipated by hackers all over the world.
ETHOnline is a three week long online hackathon with over $200,000 USD in prizes as well as a series of curated summits, celebrating some of the most significant happenings & learnings from the past 12 months in web3.
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[@chinwizuekwe4129]

Nice concept. I've seen many videos on sending tokens and arbitrary messages which is usually "hello world!". Can we get a video on how we can deploy our smart contracts and enable the functions to be called from other chains. Also, can a smart contract be interoperated with more than one chain?

[@andrewmclain892]

So tokens being sent must be ccip compatible ? Do existing tokens have to upgrade there smart contract? Or do developers just create a wrapper for an existing token? Please I want to understand if chainlink expect existing tokens to migrate to ccip