Pretty much the same as before. Mint can't rug individually, doesn't know your balance, can't stop transactions etc. Any mint can shotgun KYC its users though. 

 What stops a mint from stealing all the funds? 

 only god 

 Is there no way to fix that? 

 tell us if you know 

 Way above my pay grade lol 

 you need to use a real blockchain for that. they're down the hall and to the left.