Many threads on this topic from people who had a relatively small amount to their name in their bank accounts, it was linked to Coinbase, and they now can't pay living expenses:
https://www.reddit.com/r/CoinBase/comments/7xot6y/freaking_o...
https://www.reddit.com/r/CoinBase/comments/7xspus/what_happe...
https://www.reddit.com/r/CoinBase/comments/7xs2zr/i_have_bee...
https://www.reddit.com/r/CoinBase/comments/7xsyf4/17x_charge...
https://www.reddit.com/r/CoinBase/comments/7xrq4k/welp_offic...
https://www.reddit.com/r/CoinBase/comments/7xq3xc/you_draine...
https://www.reddit.com/r/CoinBase/comments/7xrf02/3x_5x_how_...
https://www.reddit.com/r/CoinBase/comments/7xrfhs/double_cha...
Many more on that subreddit... and that's just from people who use Reddit.