RadarWallet is a cold wallet published by RADR lab, which protects private keys more safely and assets as well in local environment.
RadarWallet has Windows，OS X，Linux desktop versions. It provides key management, balance checking, transaction signing functions.
Comparing to online wallet, cold wallet is offline. All the functions including account keys are done in local machine, eg: creating new key, storing keys, transaction signing.
The keys stored in cold wallet are encrypted in local. Those operations need security checking require the password of the wallet. Even the user’s wallet is hacked by others, the wallet is safe if you keep your password.
RadarWallet has the Import & Export function. Users can dump the private keys into a file, store the file in another safe place, and then import to the cold wallet again when needed.
This client tool is Open Source. Users can rebuild it by themselves for some reasons.
Download page: http://www.radarlab.org/en/download.html
The simple usage is linked in our wiki: https://wiki.radarlab.org/tech:cold_wallet?&#%E5%AE%89%E5%85%A8%E6%80%A7