Store multiple currencies in one offline cold storage hardware wallet called
CoolWallet S. This wireless wallet can hold Ripple, Ethereum, Litecoin, Bitcoin Cash, and Bitcoin as well as other ERC20 tokens all at the same time. This hardware wallet is Bluetooth enabled and is not bulky like your traditional hardware wallets. Its as thin as a credit card so if you want to slip it into your wallet, you can. Its also completely anonymous and does not require any registration. And while you're visiting the site you can check out
CoolWallet S Duo which is the more expensive model.
