https://www.deribit.com is the only platform in the world offering margin trading of plain "vanilla" european options and futures on bitcoin.

To date, it is fastest and most technically advanced bitcoin derivatives exchange. The platform is built on the Erlang/OTP stack prepared to a high load (e.g. like Whatsapp). All its data is streamed in real time, through websockets, to client browser as well as it is possible to trade via REST, Websockets API or FIX bridge.

Deribit is currently looking for market makers to add liquidity to the exchange. The goal is to create a liquid market in vanilla options that is currently lacking in the Bitcoin space. Join us and change the history of derivatives market!