Nims gone from the balance
Nims cannot disappear from your balance just like that. This may happen only when you voluntarily gave nims or your personal data to unproven users or organizations pretending to be Nimses officials. In this case Nimses won`t be able to help you get the lost nims back.
For the comfortable app usage it`s highly recommended to keep to security rules described in the “How to protect your account” article.