Poloniex allowed margin trading on the coin until a flash crash wiped out 1,800 bitcoins worth $13.5 million at the time
Source: https://www.coindesk.com/crypto-traders-who-lost-big-in-poloniex-flash-crash-receive-bitcoin-refunds
Investors Who Lost Big in Poloniex Flash Crash Receive Bitcoin Refunds
August 13, 2019
CoinDesk
