Margin fiat and margin btc is a price locking instrument offered by BitcoinWorld. Users can lock the price to prevent the loss from price fluctuation and insure the profit by margin fiat and margin btc while trading.
Margin fiat and margin btc contains two business, buyout and financing selling. These two business cannot be used at the same time.
Margin Fiat-- User borrow fiat from the platform and the platform buy bitcoins for users. When users get bitcoins, they owe the platform fiat.
Margin Btc-- Users borrow bitcoins from the platform and platform sell bitcoins for users. When users get legal tender, they owe the platform bitcoins.
The interests payment of margin fiat and margin btc is btc, and the platform only accept btc.