Regards Denis!
Options 2 to 5 for me has always been the main parameters are look at anyway but most of all, it is that security. We sure cannot guarantee full security with any exchange, as anything can happen, even trusted exchanges in the past has been dealt with by hackers, but at least a little bit of hope is good enough. If I cannot sleep all night and thinking about my funds not being secured, why would I ever put funds in such exchange and that is a way of sending a message to Yobit and HitBtc users.