Uniswap v3 Protocol Now Available for Forking as BSL License Expires

In exciting news for developers within the DeFi ecosystem, the Business Source License (BSL) for Uniswap v3 protocol expired on April 1, allowing forking of the protocol. This development has been much-anticipated, as it enables developers to deploy their own decentralized exchange (DEX) using the Uniswap v3 protocol.

Uniswap v3 has been under the BUSL license until the Change Date, which was previously set to April 1, 2023. However, Uniswap Governance has the power to specify exceptions to the license via Additional Use Grants, which can allow v3 to be deployed on new chains. Developers can follow the Uniswap Governance process to request a DAO vote for exceptions to the license or to move up the Change Date.

Modifications to the Change Date must be enacted via the ENS domain uniswap.eth, which is controlled by Uniswap Governance. This means that Governance has the power to associate arbitrary text with any subdomain of the form X.uniswap.eth.

Proposals are submitted via GovernorBravoDelegator, a proxy contract currently pointing to the implementation at 0x53a328F4086d7C0F1Fa19e594c9b842125263026. NPM packages for consuming the governance contract ABIs and details on previous versions are available on the Uniswap website.

The expiration of the BSL license for Uniswap v3 has been met with enthusiasm by the DeFi community, particularly given the recent announcement that Uniswap has officially gone live on the BNB Chain. This development came after more than 55 million UNI token holders voted in favor of a governance proposal by 0x Plasma Labs to deploy the protocol on the BNB Chain.

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