What features do Bitcoin derivatives traders expect from a brand new trading pla

[Alt-Options]

Alt-Options LLC is a Financial Service company that strives to solve the liquidity problem related to the nascent cryptocurrency market by creating algorithms needed to price derivative products (options, futures, swaps) and facilitate trading. The company offers a proprietary derivative pricing model that's built by a team of innovative and sophisticated financial engineers. This pricing model will be embedded into a trading platform that's built using the industry standard of communication protocol -- FIX(Financial Information Exchange) API.

We are concerned about what features Bitcoin derivatives traders want and need, as well as what they do not want or need. Any feedback?