What are you going to do to make people not worried about counter-party risk?
When you trade options on an exchange the obligations fall on the counter-party, then clearing firm, then clearing house, then exchange.
My concern would be that I would buy some 200 strike calls, then over the course of a few days bitcoin goes to $2000 and both the counter-party and the exchange go bankrupt.
Or alternatively I buy a bunch of 100 puts and bitcoin goes to $.10.
Currently we do not have any plans to do anonymous deposits. While I can understand that this causes a problem for a lot of people in the bitcoin community, regulation and laws make it very difficult to make this possible.
Hopefully once we get established and the government isn't breathing down our collective necks we can make it easier to do anonymous trading, but the seizure of MtGox's funds has made it clear that for right now you have to play ball.