1. https://ura.news/articles/10362785172. https://www.cryptoglobe.com/latest/2019/07/quickbit-confirms-security-breach-exposed-customer-details/3. https://u.today/circles-poloniex-exchange-opens-bermuda-subsidiary-to-escape-regulatory-uncertainty-in-the-us4. https://cointelegraph.com/news/robinhood-raises-323-million-in-funding-round-led-by-dst-global5. https://www.cryptowisser.com/exchange/bitlish/?lang=ru