Coldcard Wallet: Air-Gapped Hardware Wallet

Description

Coldcard is a well-known hardware wallet that you can use to store bitcoin. These hardware wallets are among the safest ways to save your private keys. It is a bitcoin-only wallet and its software is Visible Source.

You can connect your coldcard with a computer via USB, or you can use SD cards in order to take advantage of the Air-gap mode that Coldcard supplies. Like this, you sign your transactions fully offline.

Pros and cons of Coldcard wallet

Pros

• For Bitcoin maximalists, this is one of the few hardware wallets that only support bitcoin
• It has an NFC chip that allows you to tap your Coldcard against your phone to complete a transaction
• A Micro-SD card slot to back up your seedphrase in an encrypted file
• It offers encrypted USB communication (MiTM protection)
• It’s compatible with other wallets such as Electrum, Wasabi and BlueWallet
• It’s an air gapped wallet, meaning you can conduct transactions without being connected to the internet
• It has a feature for duress pin and duress wallet (under duress, you can enter a pin which will open up a bitcoin wallet completely separate from your main wallet)

Cons

• It’s fairly pricey
• There’s no factory reset
• There’s no mobile app
• It can be challenging for new users

More Information

• Coldcard vs BitBox