When you play Black Jack, you have rules. If you don't follow those rules you will lose. Rule one do not hold your coins in any Exchanges. I didn't, I lost some, OK a lot, for me. I do have two wallets

It seems some people get it and others don't. My son is a Millennial, I am stunned how I have to explain the Glorious ride we cryptocurrency people will have. I show him Andreas Antonopoulos You Tube videos.