We will understand on the example of December: honor mind-blowing growth to $20 to and inflow of "young blood and new money" (the second mistake will explain why blood) have created a perekuplennost which, naturally, reduction in price has followed in the market. Do you represent panic bought on Highers?
Phishing, stealing user data using sites that mimic the original purse or exchange website - always check the address bar (ex: bitcoinwallt.com instead of bitcoinwallet.com). Carefulness and use of pages through bookmarks will help to avoid this problem. When sending your money, always double-check the address of the purse. There are programs (CryptoShuffler etc) that can change the address of the wallet during copy-paste. And transactions, alas, can not be canceled. It's about topic how to save your money, investing to smth ..