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A hardware wallet can arguably be one of the safest types of crypto wallets out there. These wallets store your private keys on a device like a USB drive. You’re still able to make online transactions, but the wallets are offline most of the time, so you can consider them cold wallets. Check out Table 3-4 for a short list of popular hardware e-wallets.

For security purposes, a hardware wallet is an absolute must (and a bare minimum) for large crypto amounts. Keeping a ton of your assets on other, less secure types of wallets increases your risk of unrecoverable hacking attacks. Even safer than hardware wallets are paper wallets (see the next section).

TABLE 3-4 Popular Hardware Wallets

Name	Description	Pros	Cons
Ledger Nano S, www.ledger.com/products/ledger-nano-s	Most popular hardware wallet. Secure physical device that supports multiple cryptocurrencies and uses two-factor authentication.	Small. Hardware designed for security. Supports over 700 types of coins and tokens.	Cost ($59). Requires client software to control crypto-assets.
Trezor, https://trezor.io/	Secure physical device that supports multiple cryptocurrencies and uses two-factor authentication.	Established reputation. Physical buttons or touchscreen. Supports nearly 700 types of coins and tokens.	Cost ($59 for Model One). Requires a web wallet to control some stored crypto-assets.
KeepKey, www.keepkey.com	Similar to the Ledger Nano S and Trezor features, but with a slightly larger screen.	Firmware is open source. Designed to meet current blockchain requirements.	Cost ($49). Relative newcomer. Limited number of supported coins and token types.

Here are some advantages of hardware wallets:

 They’re one of the safest crypto wallet options.

 They’re great for storing large amounts of cryptocurrencies that you don’t want to use on a day-to-day basis.

Some disadvantages of hardware wallets include the following:

 They’re the most expensive type of wallet.

 They aren’t as user-friendly as other wallets, especially for beginners.