It is way to easy for a trader to put up a trade and then only fulfill their end of the trade if BTC moves in their favor against the alt coin they are trading against.
I have 2 BTC stuck in limbo for 24 hours while XMR (the payment) dropped a little so that I pretty much lost $150 bucks. It is too easy a tactic to open trades as hedges against their own positions. Are there any mechanisms to help with this? There should be an option that allows traders to set a time limit that is far less than 24 hours.