Certainly not the cheapest option, however Hardware Wallets are the most secure choice to protect your bitcoins. They store users private keys on offline devices e.g.usb, which stay fully protected even if your device was to be connected to a malware-infected PC. Transactions only take place when your wallet is connected to the internet.
Nano Ledger S is one of the most popular and secure wallets amongst the cryptocurrency community. It includes Bitcoin, Litecoin, Ethereum and Ethereum Classic companion apps, and other blockchain-based cryptocurrencies. You can send and receive payments, check your accounts and manage multiple addresses for each currency from the same device.
Wallet type :
Hardware Wallet, open source
Windows (7+), Mac (10.8+), Linux or Chrome OS. Requires Google Chrome or Chromium, and connects to any computer via USB
Bitcoin, Bitcoin Cash, Ethereum, Ethereum Classic, Litecoin, Dash and many others.
Official product price €95.00. Currently available on pre-order only. Also available on amazon.co.uk
Main security features include 4 digit PIN code every time you plug the device to your PC, your wallet remains decentralized at all times with the Secure Element, U2F authentification.