Hooks in Uniswap V3

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The flagship feature of Uniswap before is what we're calling hooks, which are essentially modules or customizations that you can make when you deploy a pool. And these hooks are pretty expressive and they allow you to add on new features, new functionality, modify parameters of the pool in really interesting and meaningful ways. One example would be that you could basically try to do some sort of oracle that tracks on chain volatility and automatically adjust the fee based on that. That's an interesting experiment we've wanted to run for a time, but didn't want to hard code it into V3.

Hayden Adams joins us to announce the release of Uniswap V4! He walks us through innovations new to Uniswap like hooks and singleton contracts in addition to a new upgrade that can lower gas costs up to 90%.

To launch V4 we need your help, the community, to contribute your opinions and decide the fate of this new protocol.

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------ TIMESTAMPS:

0:00 Intro 5:56 Introducing Hayden 7:37 V4 Launch Date? 9:12 What Goes Live Today? 10:28 How Far Has Uniswap Come? 12:14 Can Uniswap Get Any Bigger? 13:52 Are Centralized Exchanges Competitors? 16:28 Why Do We Need V4 20:10 V4's Flagship Feature 24:47 Introducing, TWAM 28:29 A New Uniswap Fee Structure 33:57 How V4 Solves Efficiency 38:27 Singleton Contracts 41:08 The Gas Refund 43:29 The Hook Centric Roadmap 46:59 What Rollups Will Uniswap Live On? 51:34 Who Will Be Building Hooks 58:20 Fees On Withdrawals 1:05:35 Why Hooks? 1:10:18 Will Liquidity Migrate To V4? 1:16:34 How V4 Is Like a Centralized Exchange 1:20:47 Is This The Last Uniswap Upgrade? 1:22:38 Has Defi Peaked? 1:30:10 How To Get Started On V4

------ RESOURCES: Uniswap V4 Blog Post: https://blog.uniswap.org/uniswap-v4

Hayden Adams: https://twitter.com/haydenzadams Uniswap Labs: https://twitter.com/Uniswap

Hayden Last on Bankless: https://www.youtube.com/watch?v=9fqJzS08pPc

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