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Courses:
👉 Build a Uniswap V3 interface that can do swaps: https://bit.ly/3JkXYqL
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What is the difference between a Provider and a Signer?
How can you initialize Providers and Signers when you're writing an app, and when you're writing a standalone script?
When do you need a Provider VS Signer from EthersJS, and what can they do?

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