I am using MEW (MyEtherWallet). Because of this it is necessary to claim the bounty in my campaigns. It's all in one wallet so it's easy to handle coins. It's only easy for hackers to attack because of their poor security. You can not just log into phishing sites because your Tokens are sure to be stolen because the hacker has access to your wallet
I use their offline signing option (for large amounts) and I think it is perfect. The signed transaction comes also back as a QR code; so you can scan it with your smartphone from an air-gap computer; never a private key on a computer connected to the internet.
Usually I trade bitcoin and almost never touch other coin beside bitcoin. After many ICO occur recently attract my Attention to learn more about MEW
At first glance, it's not difficult to learn all feature on MEW because I'm already advance using online wallet like blockchain