[Uniswap: 'Activate Fee Switch' Proposal Contract Deployed to Ethereum Mainnet, Ready for On-Chain Voting] BlockBeats news, on November 26, Uniswap announced that the 'Activate Fee Switch' proposal contract has been deployed to the Ethereum mainnet and is ready for on-chain voting. Up to $15.5 million will be provided as rewards for security researchers who discover critical vulnerabilities.