Margin trading is an act of leveraging your cryptocurrency existing portfolio on the exchange that supports margin lending to borrow or buy more cryptocurrencies which you will use to participate in arbitrage trading for bigger profit.
It is a way to help individuals who would love to make more money trading cryptocurrencies, but doesn't have required amount to invest.
Read: What is Cryptocurrency Margin Trading? Learn Everything Leverage Trading (https://doronize.com.ng/earn-money-margin-trading.html)