{"id":3973,"date":"2023-02-24T12:53:27","date_gmt":"2023-02-24T05:53:27","guid":{"rendered":"https:\/\/bitcoinvn.io\/shop-2\/?post_type=product&#038;p=3973"},"modified":"2025-08-21T14:52:18","modified_gmt":"2025-08-21T07:52:18","slug":"coldcard-mk4","status":"publish","type":"product","link":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk4\/","title":{"rendered":"Coldcard Mk4"},"content":{"rendered":"<p><i><span style=\"font-weight: 400;\">Coldcard MK4 l\u00e0 v\u00ed c\u1ee9ng Bitcoin th\u1ebf h\u1ec7 m\u1edbi \u0111\u1ebfn t\u1eeb Coinkite &#8211; th\u01b0\u01a1ng hi\u1ec7u danh ti\u1ebfng trong c\u1ed9ng \u0111\u1ed3ng cypherpunk to\u00e0n c\u1ea7u. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng cho <\/span><\/i><b><i>Bitcoin<\/i><\/b><i><span style=\"font-weight: 400;\">, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n theo tri\u1ebft l\u00fd \u201cL\u00e0m m\u1ed9t vi\u1ec7c &#8211; v\u00e0 l\u00e0m th\u1eadt t\u1ed1t\u201d, t\u1eadp trung t\u1ed1i \u0111a v\u00e0o <\/span><\/i><b><i>b\u1ea3o m\u1eadt, ri\u00eang t\u01b0<\/i><\/b><i><span style=\"font-weight: 400;\"> v\u00e0 kh\u1ea3 n\u0103ng <\/span><\/i><b><i>ch\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/i><\/b><i><span style=\"font-weight: 400;\"> ho\u1eb7c can thi\u1ec7p v\u1eadt l\u00fd.<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">Hi\u1ec7n t\u1ea1i BitcoinVN Shop \u0111ang cung c\u1ea5p v\u00ed Coldcard Mk4 ch\u00ednh h\u00e3ng \u0111\u01b0\u1ee3c nh\u1eadp kh\u1ea9u nguy\u00ean seal t\u1eeb Canada, gi\u00fap b\u1ea1n an t\u00e2m v\u1ec1 t\u00ednh b\u1ea3o m\u1eadt v\u00e0 an to\u00e0n.<\/span><\/i><\/p>\n<h2><b>T\u1ea1i sao n\u00ean ch\u1ecdn V\u00ed Coldcard MK4 \u0111\u1ec3 l\u01b0u tr\u1eef Bitcoin?<\/b><\/h2>\n<h3><b>Kh\u00f4ng \u0111a n\u0103ng nh\u01b0ng t\u1ed1i \u01b0u<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Kh\u00e1c v\u1edbi c\u00e1c v\u00ed \u0111a coin, <\/span><b>Coldcard MK4<\/b><span style=\"font-weight: 400;\"> ch\u1ec9 h\u1ed7 tr\u1ee3 <\/span><b>Bitcoin<\/b><span style=\"font-weight: 400;\">, lo\u1ea1i b\u1ecf m\u1ecdi r\u1ee7i ro t\u1eeb c\u00e1c giao th\u1ee9c blockchain kh\u00e1c. D\u00f9 v\u00ed ph\u1ea7n c\u1ee9ng n\u00e0y tuy \u0111\u01a1n gi\u1ea3n nh\u01b0ng t\u1ea5t c\u1ea3 c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 \u0111\u1ec1u t\u1eadp trung v\u00e0o h\u00e0ng r\u00e0o b\u1ea3o m\u1eadt Bitcoin, n\u00e2ng \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t b\u1ea3o m\u1eadt l\u00ean m\u1ee9c cao nh\u1ea5t.<\/span><\/p>\n<h3><b>B\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng ti\u00ean ti\u1ebfn<\/b><\/h3>\n<p><b>V\u00ed Coldcard MK4 <\/b><span style=\"font-weight: 400;\">\u0111\u01b0\u1ee3c trang b\u1ecb Secure Element ATECC608A &#8211; m\u1ed9t con chip b\u1ea3o m\u1eadt chuy\u00ean d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef kh\u00f3a ri\u00eang t\u01b0, gi\u00fap ng\u0103n ch\u1eb7n m\u1ecdi h\u00e0nh vi truy c\u1eadp tr\u00e1i ph\u00e9p k\u1ec3 c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb b\u1ecb \u0111\u00e1nh c\u1eafp.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, ng\u01b0\u1eddi d\u00f9ng c\u00f2n c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Duress PIN: <\/b><span style=\"font-weight: 400;\">M\u1edf v\u00ed gi\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb c\u01b0\u1ee1ng b\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Brick me PIN: <\/b><span style=\"font-weight: 400;\">V\u00f4 hi\u1ec7u h\u00f3a ho\u00e0n to\u00e0n thi\u1ebft b\u1ecb n\u1ebfu b\u1ecb bu\u1ed9c m\u1edf.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Anti-phishing words:<\/b><span style=\"font-weight: 400;\"> Ph\u00e1t c\u1ea3nh b\u00e1o n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n b\u1ecb x\u00e2m nh\u1eadp.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>NFC tap: <\/b><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y c\u1ef1c k\u1ef3 an to\u00e0n v\u00e0 c\u1ef1 ly si\u00eau ng\u1eafn, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng sang \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n ch\u1ec9 b\u1eb1ng m\u1ed9t l\u1ea7n ch\u1ea1m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Virtual disk: <\/b><span style=\"font-weight: 400;\">COLDCARD c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng nh\u01b0 m\u1ed9t \u1ed5 \u0111\u0129a USB, cho ph\u00e9p b\u1ea1n g\u1eedi t\u1ec7p PSBT b\u1eb1ng thao t\u00e1c k\u00e9o v\u00e0 th\u1ea3 \u0111\u01a1n gi\u1ea3n.<\/span><\/li>\n<\/ul>\n<h3><b>Kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i Internet<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Coldcard ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh &#8220;air-gapped&#8221;, ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n to\u00e0n b\u1ed9 quy tr\u00ecnh giao d\u1ecbch m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i m\u00e1y t\u00ednh hay Internet. M\u1ecdi thao t\u00e1c k\u00fd giao d\u1ecbch \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua th\u1ebb microSD \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, gi\u00fap ng\u0103n ng\u1eeba ho\u00e0n to\u00e0n c\u00e1c r\u1ee7i ro t\u1eeb ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i ho\u1eb7c t\u1ea5n c\u00f4ng th\u00f4ng qua wifi\/m\u1ea1ng di \u0111\u1ed9ng.<\/span><\/p>\n<h3><b>M\u00e3 ngu\u1ed3n m\u1edf &amp; ki\u1ec3m ch\u1ee9ng c\u00f4ng khai<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">V\u00ed Coldcard MK4 l\u00e0 m\u1ed9t trong s\u1ed1 \u00edt thi\u1ebft b\u1ecb v\u00ed c\u1ee9ng ho\u00e0n to\u00e0n m\u00e3 ngu\u1ed3n m\u1edf, cho ph\u00e9p c\u1ed9ng \u0111\u1ed3ng ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n v\u00e0 minh b\u1ea1ch c\u1ee7a firmware. \u0110i\u1ec1u n\u00e0y t\u1ea1o ni\u1ec1m tin tuy\u1ec7t \u0111\u1ed1i cho nh\u1eefng ng\u01b0\u1eddi d\u00f9ng nghi\u00eam t\u00fac v\u1ec1 b\u1ea3o m\u1eadt.<\/span><\/p>\n<h2><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\"><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Lo\u1ea1i v\u00ed<\/b><\/td>\n<td><span style=\"font-weight: 400;\">V\u00ed l\u1ea1nh (cold wallet), ch\u1ec9 h\u1ed7 tr\u1ee3 Bitcoin<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Chip b\u1ea3o m\u1eadt<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Secure Element ATECC608A<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>B\u1ed9 x\u1eed l\u00fd<\/b><\/td>\n<td><span style=\"font-weight: 400;\">2x MCUs: STM32L5 (TrustZone\u00ae) &amp; Secure Chip<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>K\u1ebft n\u1ed1i<\/b><\/td>\n<td><span style=\"font-weight: 400;\">USB-C, khe c\u1eafm th\u1ebb nh\u1edb microSD<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u00e0n h\u00ecnh<\/b><\/td>\n<td><span style=\"font-weight: 400;\">OLED \u0111\u01a1n s\u1eafc 3128&#215;64 pixel<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u00e3 ngu\u1ed3n<\/b><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e3 ngu\u1ed3n m\u1edf (Open Source \u2013 GPLv3)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>T\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Duress PIN, Brick me, Encrypted backup, Anti-phishing<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Giao di\u1ec7n<\/b><\/td>\n<td><span style=\"font-weight: 400;\">12 n\u00fat c\u1ee9ng v\u1eadt l\u00fd, d\u1ec5 thao t\u00e1c<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>Tr\u1ecdn b\u1ed9 v\u00ed Coldcard Mk4 c\u00f3 g\u00ec?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 v\u00ed l\u1ea1nh Coldcard MK4<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 t\u00fai ch\u1ed1ng t\u0129nh \u0111i\u1ec7n c\u00f3 ni\u00eam phong<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 th\u1ebb gi\u1ea5y ghi c\u1ee5m t\u1eeb kh\u00f4i ph\u1ee5c (24 t\u1eeb)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 t\u1edd h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_7046\" aria-describedby=\"caption-attachment-7046\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7046 size-full\" src=\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2023\/02\/coldcard-mk4.jpg\" alt=\"Nh\u1eefng v\u1eadt d\u1ee5ng trong g\u00f3i v\u00ed l\u1ea1nh Coldcard Mk4\" width=\"800\" height=\"395\" srcset=\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2023\/02\/coldcard-mk4.jpg 800w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2023\/02\/coldcard-mk4-300x148.jpg 300w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2023\/02\/coldcard-mk4-768x379.jpg 768w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2023\/02\/coldcard-mk4-600x296.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-7046\" class=\"wp-caption-text\">Nh\u1eefng v\u1eadt d\u1ee5ng trong g\u00f3i v\u00ed l\u1ea1nh Coldcard Mk4<\/figcaption><\/figure>\n<h2><b>V\u00ec sao b\u1ea1n n\u00ean tin t\u01b0\u1edfng mua v\u00ed Coldcard MK4 t\u1ea1i BitcoinVN Shop?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u00e0ng ch\u00ednh h\u00e3ng 100%, nh\u1eadp kh\u1ea9u tr\u1ef1c ti\u1ebfp t\u1eeb Coinkite (Canada).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 <\/span><b>1 gi\u1edd t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt mi\u1ec5n ph\u00ed<\/b><span style=\"font-weight: 400;\"> b\u1edfi \u0111\u1ed9i ng\u0169 chuy\u00ean gia b\u1ea3o m\u1eadt Bitcoin l\u00e2u n\u0103m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Giao h\u00e0ng nhanh to\u00e0n qu\u1ed1c t\u1eeb 2-5 ng\u00e0y, \u0111\u00f3ng g\u00f3i b\u1ea3o m\u1eadt cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed5i tr\u1ea3 trong v\u00f2ng 7 ng\u00e0y n\u1ebfu c\u00f3 l\u1ed7i ph\u00e1t sinh t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thanh to\u00e1n linh ho\u1ea1t b\u1eb1ng ti\u1ec1n m\u1eb7t v\u00e0 chuy\u1ec3n kho\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c ki\u1ec3m tra h\u00e0ng tr\u01b0\u1edbc khi nh\u1eadn.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/bitcoinvn.io\/shop-2\/product\/coldcard-mk4-2\/\"><i><span style=\"font-weight: 400;\">Mua ngay Colcard Mk4 \u0111\u1ec3 nh\u1eadn \u01b0u \u0111\u00e3i h\u1ea5p d\u1eabn!<\/span><\/i><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd: \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng cho Bitcoin.<\/span><\/i><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thi\u1ebft k\u1ebf chuy\u00ean bi\u1ec7t \u0111\u1ec3 b\u1ea3o m\u1eadt Bitcoin<\/b><span style=\"font-weight: 400;\">, t\u00edch h\u1ee3p chip b\u1ea3o m\u1eadt chuy\u00ean d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sao l\u01b0u d\u1ec5 d\u00e0ng qua th\u1ebb microSD <\/b><span style=\"font-weight: 400;\">\u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd v\u00ed m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i Internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e3 ngu\u1ed3n m\u1edf, cho ph\u00e9p b\u1ea1n <\/span><b>to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t t\u00e0i s\u1ea3n m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u00ean th\u1ee9 ba<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<hr \/>\n<p><strong>BitcoinVN Shop l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i ch\u00ednh th\u1ee9c s\u1ea3n ph\u1ea9m Ledger Nano X t\u1ea1i Vi\u1ec7t Nam.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n s\u1ed1ng \u1edf n\u01b0\u1edbc ngo\u00e0i? Mua tr\u1ef1c ti\u1ebfp t\u1ea1i c\u1eeda h\u00e0ng <\/span><a href=\"https:\/\/store.coinkite.com\/promo\/4E790E123AB1EA5ECAAB\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Coinkite<\/span><\/a><\/p>\n","protected":false},"featured_media":6590,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[143,337],"product_tag":[],"class_list":{"0":"post-3973","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-coinkite","7":"product_cat-hardware-wallets","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-variable"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00ed c\u1ee9ng Coldcard Mk4 b\u1ea3o m\u1eadt cao chuy\u00ean d\u1ee5ng cho Bitcoin<\/title>\n<meta name=\"description\" content=\"V\u00ed c\u1ee9ng Coldcard Mk4 ch\u00ednh h\u00e3ng, gi\u00e1 t\u1ed1t \u0111\u00e3 c\u00f3 t\u1ea1i BitcoinVN Shop - shop ph\u1ee5 ki\u1ec7n crypto ch\u00ednh h\u00e3ng t\u1ea1i Vi\u1ec7t Nam. 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