https://blog.chain.link/off-chain-data-and-computation/
<aside> 📚 Off-chain data is any data that is external to a blockchain. In other words, they are real-world data such as account balances, mortgages, and other accessible financial data.
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<aside> 📚 Off-chain transactions transfer some of the work from a blockchain ecosystem, which can later be integrated back into a blockchain.
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<aside> 📚 On an off-chain network, the users agree that a third party will handle validating and authenticating transactions.
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<aside> 💡 Off-chain transactions can entail lower fees than on-chain transactions.
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<aside> 👇 Check some of our favourite resources to get started on what off-chain data is all about
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