What is a Random Beacon? Article № 2
The Random Beacon is a way to generate verifiable randomness that is resistant to attackers on both the relay network and the peg blockchain that Ethereum is supposed to be. It is used to select members for signer groups.
Project Link
About

The Random Beacon is a way to generate verifiable randomness that is resistant to attackers on both the relay network and the peg blockchain that Ethereum is supposed to be. It is used to select members for signer groups.