Loopring is a decentralized exchange protocol and an automated execution system built on Ethereum that allows it users to trade assets across exchange. Its pool all orders sent to its network and fill these orders through the order book of multiple exchanges.
It gives the exchanges access to cross blockchain and cross exchange liquidity and giving investors access to the best prices available on the broader market. Any platform that uses smart contracts can integrate with it.
On Loopring to begin trading traders do not have to deposit find into exchange. you are given autonomy over funds while trading, you can cancel, trim, or increase an order, you should note that this will affect your final order because the protocol's ring miners would be alerted to the wallet's balance before matching orders.