This repository is a Homebrew tap for Ethereum software, providing formulas to install the Go Ethereum client (geth), Solidity compiler (solc), and formerly the C++ Ethereum client. The formulas are standard Homebrew Ruby scripts that define how to download, build, and install the software. The ethereum formula builds an older version of geth (v1.17.5) from source, while the solidity formulas are up-to-date for the latest versions. The cpp-ethereum formula is deprecated and directs users to install binary releases from the aleth project. The tap is maintained with recent updates, as evidenced by the CI configuration and the last commit date.