Balancer (BAL) is a crypto token associated with the Balancer protocol, a decentralized portfolio manager and liquidity protocol on Ethereum. It enables users to create and manage self-balancing token portfolios called liquidity pools. With customizable features like smart pools, Balancer facilitates trading, liquidity provision, and yield farming. BAL is used for governance, liquidity mining rewards, and staking for a share of trading fees. Created by a team including Mike McDonald, Fernando Martinelli, and Nikolai Mushegian.