Report: 3% of cryptocurrency exchanges were hacked last year

A report released by CryptoCompare shows that 3% of cryptocurrency exchanges were hacked last year, and 4% of exchanges provided some form of insurance. Top exchanges accounted for 27% of global trading volume in the fourth quarter of 2019, and secondary exchanges accounted for 73%. 16% of exchanges hold more than 95% of cryptocurrencies in cold wallets.