{"product_id":"coldcard-mk4-bitcoin-hardware-wallet","title":"Coldcard MK4 - Bitcoin Hardware Wallet - In various colors","description":"\u003cp\u003e\u003cstrong\u003eCOLDCARD Mk4 by Coinkite\u003c\/strong\u003e is the iconic \u003cstrong\u003eBitcoin-only hardware wallet\u003c\/strong\u003e with dual secure elements (two multi-vendor chips) for air-gapped signing – perfect for maximum BTC security and multisig setups. \u003cstrong\u003eEnhanced Performance:\u003c\/strong\u003e 120 MHz CPU, 840 kB memory + 8 MB RAM, PSRAM for PSBTs up to 2 MB, USB-C port, NFC-V compatible (deactivatable via trace cutting), and USB Virtual Disk mode (recognized as a 4 MB USB stick). Open-source firmware with anti-glitch protection, SHA-256\/AES-Native, and 15-second updates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecurity Highlights:\u003c\/strong\u003e Trick PINs (duress labyrinth for temporary deactivation or seed deletion), Fast Wipe (immediate seed wipe), Kill-Key during login, and serial debug pins. NFC for PSBT, address, and XPUB transfer via tap (disabled by default), MicroSD support for backups\/transactions. Protective case included, USB LED, and compact size (approx. 86x54x8 mm, 30 g) – ideal for portability. Compatible with Sparrow, Electrum, Nunchuk for offline Bitcoin transactions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScope of Delivery: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCOLDCARD Mk4\u003c\/li\u003e\n\u003cli\u003eUSB-C cable\u003c\/li\u003e\n\u003cli\u003eProtective case\u003c\/li\u003e\n\u003cli\u003eBatteries\/SD not included!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuy your Bitcoin hardware wallet from Copiaro – the reliable BTC Coldcard for HODLers, Trick PIN protection, and ultimate privacy. With dual SE, NFC\/USB deactivation, and PSRAM: Unrivaled air-gapped protection for Bitcoin self-custody, against phishing or physical attacks. Coinkite standard for professionals!\u003c\/p\u003e","brand":"Coinkite","offers":[{"title":"transparent","offer_id":56627845923164,"sku":"COP-EBETDF-01","price":161.0,"currency_code":"EUR","in_stock":true},{"title":"black","offer_id":56627904053596,"sku":"COP-EBETDF-02","price":161.0,"currency_code":"EUR","in_stock":false},{"title":"red","offer_id":56627904151900,"sku":"COP-EBETDF-03","price":161.0,"currency_code":"EUR","in_stock":true},{"title":"green","offer_id":56627904282972,"sku":"COP-EBETDF-04","price":161.0,"currency_code":"EUR","in_stock":false},{"title":"blue","offer_id":56627904381276,"sku":"COP-EBETDF-05","price":161.0,"currency_code":"EUR","in_stock":true},{"title":"gold (ship)","offer_id":56627904446812,"sku":"COP-EBETDF-06","price":161.0,"currency_code":"EUR","in_stock":true},{"title":"orange","offer_id":56627904545116,"sku":"COP-EBETDF-07","price":161.0,"currency_code":"EUR","in_stock":true},{"title":"pink","offer_id":56627904643420,"sku":"COP-EBETDF-08","price":161.0,"currency_code":"EUR","in_stock":false},{"title":"fluorescent","offer_id":56627904741724,"sku":"COP-EBETDF-09","price":161.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/7214\/6780\/files\/mk4s-42243.jpg?v=1776429412","url":"https:\/\/copiaro.com\/en\/products\/coldcard-mk4-bitcoin-hardware-wallet","provider":"Copiaro","version":"1.0","type":"link"}