Say you have millions worth of ETH, what about the bank??

I'm using eth as an example but really any crypto. Obviously I don't have this money but say I had 5 million dollars worth of a crypto. I go to withdraw to my bank, surely they are going to flag this and probably freeze the account. See I want to avoid that it it ever comes down to me having this amount of money submitted by /u/throwaway126492729 [link] [comments]
http://dlvr.it/S1Cpv3