If you decide to use online bitcoin wallets for convenience, use a different email address and password for each. WRITE THAT PASSWORD DOWN, In a few places do not ever lose that password, if you lose that you lose your bitcoins forever there is no password recovers in Bitcoin Land. This cryptocurrency engrossed the E-commerce market within few months and managed to impress E-Commerce giants, who welcomed this new money transfer technology. Marc Wites is a Florida attorney who helped bring a class-action suit in 2016 against against Cryptsy, a U.S.-based online bitcoin exchange that was hacked in 2015 and robbed of around 13,000 bitcoin. Ahonen, Elias; Rippon, Matthew J.; Kesselman, Howard (2016). Encyclopedia of Physical Bitcoins and youtu.be Crypto-Currencies.