There have been multiple versions of the Uniswap Protocol released. When you use the Uniswap web app, you are able to use both Uniswap v2 and Uniswap v3. Uniswap v4 is still in development.
- Learn more about Uniswap v2 here
- Learn more about Uniswap v3 here
- Learn more about Uniswap v4 and its development here.
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