Aura Finance is built on top of the Balancer system to provide maximum incentives to Balancer providers and BAL stakers through social aggregation of BAL deposits and Aura's native token. There are people in this picture For BAL stakers, Aura creates a tokenised wrapper token called auraBAL that represents the 80% BPT locked up for the maximum time in VotingEscrow in order to make the process seamless. In addition to Aura system revenue in the form of BAL, this can be staked to receive existing rewards from Balancer.