Aquarius aims to increase trading volume for Stellar, bring more liquidity, and give control over how it is allocated across market pairs. It adds rewards for SDEX traders ("Market Maker Rewards") and rewards for AMM liquidity providers. Aquarius allows the community to set rewards for selected markets through on-chain voting.
AQUA is Aquarius' reward and on-chain voting currency. AQUA holders can vote for market pairs that need more liquidity and choose trusted assets. Traders and LPs earn AQUA on selected market pairs. AQUA will play an important role in Stellar-based projects. Most of the AQUA tokens will be distributed among network participants and market makers.