The cryptocurrency landscape has changed significantly since Bitcoin's earliest days, but one thing that's remained constant is exchange breaches.
source https://www.google.com/url?rct=j&sa=t&url=https://news.bitcoin.com/54-of-cryptocurrency-exchanges-have-security-holes/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHlT8BINIPD6VXS_IfexbYYtRSxZA
