Is the SelfKey ID Wallet safe?

Yes, the SelfKey wallet is a private and secure desktop application conceived to solve current major identity problems such as data breaches & oversharing of information. 

It leverages a self-hosted identity data storage system where you always remain in control of your information and not in a centralised database owned by a large company.  

You can read more in this blog article about how SelfKey is safer than many other web based wallets.