Across Protocol

Uniswap

World

Optimism

Polygon

Decentralized exchange (DEX), Uniswap,&nbsp;<a style="text-decoration:none" href="https://blog.uniswap.org/permissionless-bridging-is-now-live">rolled out</a> a permissionless cross-chain bridging feature, offering users a seamless way to move assets between nine blockchain networks.&nbsp;
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 <blockquote class="twitter-tweet">
 Learn about permissionless bridging and our latest integration with <a href="https://twitter.com/AcrossProtocol?ref_src=twsrc%5Etfw">@AcrossProtocol</a> 👇<a href="https://t.co/4JCr9WnQl0">https://t.co/4JCr9WnQl0</a>— Uniswap Labs 🦄 (@Uniswap) <a href="https://twitter.com/Uniswap/status/1849104965807083877?ref_src=twsrc%5Etfw">October 23, 2024</a>
 </blockquote> 
</div>
Users can now transfer assets between prominent blockchains, such as Ethereum, Polygon, Base, Arbitrum, Optimism Mainnet, Zora, Blast, World Chain, and ZKsync—all without needing third-party services.
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Traditionally, cross-chain transactions required the use of external bridges, which were often cumbersome due to their complicated interfaces and long transaction times. Uniswap's new permissionless bridging reportedly eliminates these barriers.
<h2 dir="ltr" id="span-span-how-permissionless-bridging-works-span-span">How Permissionless Bridging Works</h2>
Powered by the Across Protocol, the new feature allows users to move native assets—like ETH on Ethereum or ARB on Arbitrum—directly through Uniswap's interface.&nbsp;
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Stablecoins are also supported. The Across Protocol functions through decentralized liquidity pools and relayers, avoiding reliance on centralized entities and enhancing both security and speed.
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Dune data shows that there are currently over six million Uniswap users using multi-chain access. However, cross-chain swaps remain a small percentage of overall activity. With this new bridge feature, Uniswap aims to increase its usage across multiple networks, driving growth in multi-chain DeFi operations.
<h2 dir="ltr" id="span-span-recent-developments-span-span">Recent Developments</h2>
This latest update follows Uniswap’s earlier launch of&nbsp;<a style="text-decoration:none" href="https://bsc.news/post/uniswap-labs-introduces-ethereum-layer-2-unichain-to-address-scalability-issues">UniChain</a>, a layer-2 chain designed specifically for cross-chain liquidity and decentralized finance. Launched in early October, UniChain aims to address the ongoing challenges in DeFi, such as slow transactions and a lack of decentralization.
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While Uniswap is making progress, it is also facing scrutiny from regulators. Earlier this year, the U.S. Securities and Exchange Commission (SEC) issued a Wells notice to Uniswap Labs, signaling potential enforcement action.&nbsp;
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The SEC claims that certain tokens offered by the platform may qualify as securities. However, Uniswap&nbsp;<a style="text-decoration:none" href="https://www.cnbc.com/2024/05/21/uniswap-fights-back-against-sec-as-the-ethereum-crackdown-continues.html">firmly disputes</a> these allegations, maintaining that its tokens do not fall under securities law.

Uniswap Launches Permissionless Cross-Chain Bridging on Nine Networks, Including Polygon and ZKsync

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