The document discusses 7 trends for cryptocurrencies and blockchain in 2018: 1) Hackers continuing to target exchanges, 2) Growth of futures, options, and ETF products, 3) Prediction that altcoins will decline while bitcoin remains dominant, 4) Increased regulations from governments, 5) Emergence of services catering to institutional investors, 6) Growth of professional trading, and 7) Easier ways to convert bitcoin to fiat currencies for cashing out. The document is signed by Roman Kaufman from Hoqu who provides contact information.