Coldcard 4.0.0 Released – Bitcoin Magazine: Bitcoin News, Articles, Charts, and Guides

Coinkite has released version 4.0.0 of its Coldcard hardware wallet product, a significant update focused on enhancing the security functions within the wallet.

Coinkite is a bitcoin-only, privacy- and security-focused hardware manufacturer. As its flagship product, the Coldcard has been popular in the Bitcoin maximalist community since its inception in late 2017. It is open source, packed full of well considered security features and technically complex in its privacy innovations. It utilizes air-gap ability to operate entirely without a computer, and is designed to securely store private keys.

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