I personally consider it the best protection for my token (ERC 20 Token ) 

It is in partnership with myethwallet The best way to store your coins or token 

I've been using it for more than 3 years and I have not even had a problem with it

The token  that I personally store in this portfolio are mith and hydro and ref 

ETH  is responsible for the transmission of the cut from the amount of the transmission and does not deduct from the token or coin  you send

And what they call gas

Advice

You must keep the password in a safe place  

cheer