Arbitrum, Ethereum Layer-2 (L2) scaling solution announced the launch of its mainnet this month. The tool allows Ethereum users to transact with nominal fees. Last June, it was launched in beta version with support from some key projects in the Ethereum sphere, like Uniswap, after receiving a community vote to integrate it. The project will also launch Arbitrum One, having up-to-date information about the projects using its network.