Since Java based bitcoin miner, bitcoins can not only be traded at more or less dubious exchanges, but also as futures at the CME and CBOE. And already several trading systems popped up for bitcoin and other cryptocurrencies. None of them can claim big success, with one exception.
There is a very simple strategy that easily surpasses all other bitcoin systems and probably also all known historical trading systems. A buy and hold strategy works extremely well when a price bubble grows, and extremely bad when it bursts. They break the link of money and debt. Cryptocurrencies don’t require the bank credit mechanism for money creation. They can be used where normal money would be impractical, such as fee transfers between machines or trading in multiplayer games. They allow low-cost and anonymous money transactions.