Fortunately, it has not affected its customers! Bought my first Bitcoin at Quadriga.CX. I quickly transfered my funds from the site to my wallet exactly so to avoid this kind of situation. All in all, the transactions went relatively smoothly. I once posted about the experience and my first step in cryptos:

https://steemit.com/bitcoin/@heroic15397/from-crypto-ignoramus-to-finally-buying-my-first-bitcoin-and-steem