I mean the anonymity and irrevocability associated with bitcoin transactions means that the money lost is also irrecoverable, CMIIW..
In shortly speaking bitcoin stability is better than other crypto currency. you know what? Despite of all speculation that bitcoin aledgedly was scam that was many people say and many times that hacker would continuously attack until it will shuting down. Bitcoin is continue their service perfectly. All dominated things are always on top of the delicate situation because of the people with self interest. That's why you would say bitcoin are prime target of hacker, regarding of unrecoberable fund because of wrong transaction its depend upon the company because before we proceed of some transaction there is a guidlines that must be follow.