Coldcard

Coldcard is an easy to use, ultra-secure and affordable hardware wallet with verifiable source code that is easy to back up via an encrypted microSD card. Your private key is stored in a dedicated security chip. MicroPython software design allows you to make changes.

Features:

Bech32

Hardware Wallet

Legacy Addresses

Multisig

SegWit

Good

Acceptable

Caution

Not applicable

Control over your money

This wallet gives you full control over your bitcoins. This means no third party can freeze or lose your funds. You are however still responsible for securing and backing up your wallet.

Variable validation

Payment validation features are provided by the software wallet you use with this device.

Complete transparency

The source code for this wallet is public and the build process is deterministic. This means any developer in the world can audit the code and make sure the final software isn't hiding any secrets.

Very secure environment

This wallet is loaded from a secure specialized environment provided by the device. This provides very strong protection against computer vulnerabilities and malware since no software can be installed on this environment.

Variable privacy

Privacy features are provided by the software wallet you use with this device.

Variable fee control

Fee control features are provided by the software wallet you use with this device.

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Control

Validation

Transparency

Environment

Privacy

Fees