From the doc, now zorro's crypto brokers plugin(Binance/Bitfinex/Bittrex) doesn't support margin trading.
If this feature can be supported, that will be great to do crypto margin trading using zorro as well.
So convenient to write strategies and do backtest using zorro.
Thanks in advance.

> Only long positions are supported; for short trades the account must already contain a sufficient position of the asset. Otherwise an error message like INSUFFICIENT FUNDS is issued.