In my own opinion it is better if all countries adopt the chinese system in terms of cashless society, by doing this it gives more convinient to people, another good thing in cashless is, you are safe from pick pocket or theif.
For me MEW is the best wallet, no one knows your private key except yourself, ragarding the recent issue on MEW, its already done accident happen in every aspect, and i am sure that MEW creator already made counter measures if that thing happen again.
This is no guarentee that the money you invest is safe in cryptocurrency, crypto world is full of risk, in order to compete it you must be a risk taker, and learn to accept whatever the outcome of your decission.