Coinkite launched the Coldcard MK5, its first {hardware} improve to the flagship Bitcoin pockets since 2022.
Abstract
- The Coldcard MK5 includes a 1.54-inch Gorilla Glass show, redesigned tactile buttons, and improved NFC for smoother Bitcoin transactions.
- The pockets retains the MK4’s twin safe component structure from two completely different chip distributors, holding personal keys totally air-gapped.
- Coinkite’s NVK stated the MK5 is a reimagining of the person expertise whereas preserving the safety requirements the group has relied on for years.
Coinkite launched the Coldcard MK5 on March 10, 2026, marking the corporate’s first {hardware} revision to the MK line for the reason that MK4 arrived in 2022 and introducing 5 vital person expertise enhancements to its Bitcoin-only signing machine.
“The MK5 isn’t simply an replace; it’s a reimagining of the person expertise,” stated NVK, co-founder of Coinkite. “Extra sturdy, seen, and intuitive, all whereas preserving the rock-solid safety our customers depend upon to guard their Bitcoin.”
What modified from MK4
The headline {hardware} change is a 1.54-inch show protected by Gorilla Glass, changing the earlier display with one that’s visibly sturdier and extra legible. The MK4 used recessed buttons that required fingertips to press right into a socket to register a click on. The MK5 redesign brings buttons practically flush with the chassis, giving clear tactile suggestions with out the awkward finger positioning of the earlier mannequin.
NFC functionality has additionally been upgraded, enhancing the reliability of wi-fi signing workflows launched within the Coldcard Q. The machine retains the twin safe component design, pairing chips from two completely different producers alongside a microcontroller, the identical safety structure that set the MK4 aside when it launched. The MK5’s clear case permits customers to visually examine the machine’s internals for {hardware} implants, a characteristic Coinkite has emphasised as a bodily safety benefit over opaque designs.
All 5 upgrades are targeted on usability relatively than the safety core. The MK5 continues to run the identical open-source firmware that has been audited by the Bitcoin group for years and stays designed completely for Bitcoin, in step with Coinkite’s Bitcoin-only product philosophy.
The {hardware} pockets market has grown extra aggressive in 2026, with Trezor releasing the Secure 7 in late 2025 and a number of other producers including touchscreens and wi-fi options. Coinkite’s deliberate option to keep away from touchscreens and prioritise bodily button suggestions indicators a selected design philosophy: tactile readability over interface modernity.
The Coldcard MK5 is on the market by means of Coinkite’s official retailer in a number of colors, together with orange and a glow-in-the-dark variant. Pricing was not disclosed within the announcement however the machine is positioned as a premium possibility for self-custody Bitcoin holders who prioritise air-gapped safety.
