What to know before investing in cryptocurrencies

Cryptocurrencies like Bitcoin may be all the rage, but here are a few things you need to know about these potentially overvalued, speculative and unknown currencies before jumping into the market. Requirements: Investment analysts and cryptocurrency experts: please include your name, geographic location, contact info and tips/background on the subject within the piece. 2018 forecasts on the sector are appreciated. Please include risks and upsides as well.