COLDCARD develops hardware wallets designed for securely storing Bitcoin. The devices feature dual secure elements for key storage and avoid connections to computers during transactions, ensuring enhanced security.

COLDCARD

Coinkite Inc. | 1,032 followers on LinkedIn. BITCOIN SECURITY HARDWARE.
DON&#39;T TRUST. VERIFY. | Coinkite is one of the world&#39;s oldest companies developing Bitcoin solutions (established 2011, block 141000). We&#39;ve built a strong reputation in the industry for delivering secure hardware devices, from our flagship ultra-secure COLDCARD Bitcoin wallet, to the OPENDIME, the first and only physical Bitcoin bearer instrument that minimizes trust.  

We enjoy making hardware Bitcoiners love, like our BLOCKCLOCK Mini digital art display, which has been featured in WIRED, CNET, CNN, NYMag and The Verge.

@Coinkite Programming Money

Peter Gray

Producer and Editor

Jonny Marshall

CFO at Coinkite Inc.

Yishan Tong

Coinkite Inc.

When buying #Bitcoin hardware, ask your vendor: - Do they delete personal info after shipping? - Do they use their own secure shopping cart system? - Do they adhere to a strict no-leaky-marketing tool policy? We do.

We’ve just updated our LinkedIn Page with some minor edits.

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Coldcard is an easy to use, ultra-secure, open-source and affordable hardware wallet 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.

Coldcard

A hardware wallet designed for Bitcoin, featuring dual secure elements, air-gapped operation, and advanced security features like duress PINs and anti-phishing words.

An advanced version of the hardware wallet with a larger screen, QWERTY keyboard, QR code scanner, and dual MicroSD slots, supporting air-gapped and NFC operations.

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