The Advantages of a Singleton Contract

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A Singleton contract is something that's the opposite of that. It means we're duplicating the same code across a million different smart contracts, and that has a cost to everyone. Current estimates have it reducing the gas cost of pool deployment by about 99%. There are additional benefits where you can actually save on gas for things that are updating the same contract multiple times well beyond this sort of refund.

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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