Product : Ethereum Foundation, Ethereum/Metropolis (vByzantium), all
Feature : Blockchain / DLT type, General, Architecture
Content Owner:  MLG Blockchain
Public with Private Forks
Ethereum can be a public or private blockchain. The Ethereum Main network is obviously a public blockchain, but with increasing enterprise-focus a number of projects and consortiums (Ethereum Aliiance) have been launched that develop private blockchains (e.g. Quorum)