Bitcoin has lost approximately 50% value since start of January, but other altcoins saw a heavier drop, as some lost up to 70% of its vlue. According to the data from Coinmarketcap, the combined value of all cryptocurrencies was $610 bln at the start of January, which has dropped to $250 today. Similarly, BTC’s capitalization has dropped from $300 bln to just $115 bln at press time.