Liquidity providers deposit funds into Loopring and receive trading fees from traders. Market makers offer trades through order book and make money on bid-ask spreads and market maker rebates. (supply-side fees). 

Loopring is a non-custodial exchange protocol built on Ethereum (zkRollups). Loopring was founded by Daniel Wang & Jay Zhou and launched in 2017.

LRC tokenholders own and govern the protocol. They currently take a cut of the total trading fees paid by traders (revenue). Loopring's investors include Fundamental Labs, Obsidian Capital, Eden Block, etc.