{"id":3109,"date":"2022-06-21T17:43:38","date_gmt":"2022-06-21T10:43:38","guid":{"rendered":"https:\/\/bitcoinvn.io\/shop-2\/?p=3109"},"modified":"2025-02-27T09:07:13","modified_gmt":"2025-02-27T02:07:13","slug":"7-dieu-can-biet-vi-coldcard-mk3","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/shop-2\/7-dieu-can-biet-vi-coldcard-mk3\/","title":{"rendered":"7 \u0111i\u1ec1u c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi d\u00f9ng v\u00ed Coldcard MK3"},"content":{"rendered":"

Ngay khi nh\u1eadn \u0111\u01b0\u1ee3c v\u00ed Coldcard t\u1eeb BitcoinVN Shop, \u0111\u1eebng v\u1ed9i m\u1edf h\u1ed9p v\u00e0 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t v\u00ed. H\u00e3y n\u1eafm r\u00f5 7 v\u1ea5n \u0111\u1ec1 sau \u0111\u1ec3 d\u00f9ng v\u00ed t\u1ed1i \u01b0u nh\u1ea5t, tr\u00e1nh c\u00e1c r\u1ee7i ro x\u1ea3y ra.<\/span><\/i><\/p>\n

1. Seed Phrase c\u1ee7a v\u00ed Coldcard MK3 g\u1ed3m bao nhi\u00eau t\u1eeb?<\/b><\/h2>\n

H\u00e3ng Coldcard s\u1eed d\u1ee5ng BIP-39 g\u1ed3m 24 t\u1eeb Seed Phrase (c\u1ee5m t\u1eeb h\u1ea1t gi\u1ed1ng \u0111\u1ec3 sao l\u01b0u th\u00f4ng tin v\u00e0 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u khi m\u1ea5t v\u00ed ho\u1eb7c h\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng). M\u00e3 n\u00e0y ch\u1ec9 xu\u1ea5t hi\u1ec7n 1 l\u1ea7n duy nh\u1ea5t khi b\u1ea1n kh\u1edfi t\u1ea1o v\u00ed l\u1ea7n \u0111\u1ea7u v\u00e0 s\u1ebd bi\u1ebfn m\u1ea5t v\u0129nh vi\u1ec5n. Do \u0111\u00f3, b\u1ea1n c\u1ea7n c\u1ea9n th\u1eadn sao l\u01b0u \u0111\u1ea7y \u0111\u1ee7 24 t\u1eeb kh\u00f3a v\u00e0 l\u01b0u tr\u1eef ch\u00fang \u1edf m\u1ed9t n\u01a1i b\u00ed m\u1eadt.<\/span><\/p>\n

Ngo\u00e0i ra, chi\u1ebfc v\u00ed Coldcard MK3 c\u00f2n cho ph\u00e9p b\u1ea1n d\u00f9ng \u0111\u1ec3 nh\u1eadp Seed Phrase 12, 18 ho\u1eb7c 24 t\u1eeb \u0111\u1ec3 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u t\u1eeb c\u00e1c v\u00ed kh\u00e1c.<\/span><\/p>\n

2. T\u00f4i th\u1ec3 thay \u0111\u1ed5i m\u00e3 PIN t\u00f9y \u00fd tr\u00ean v\u00ed Coldcard hay kh\u00f4ng?<\/b><\/h2>\n

C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i thay \u0111\u1ed5i m\u00e3 PIN b\u1ea5t c\u1ee9 l\u00fac n\u00e0o \u0111\u1ec3 ti\u1ec7n cho vi\u1ec7c \u0111\u0103ng nh\u1eadp v\u00ed. Nh\u01b0ng ch\u00fa \u00fd ghi nh\u1edb th\u1eadt k\u1ef9 m\u00e3 PIN v\u1eeba t\u1ea1o, tr\u00e1nh nh\u1eadp sai th\u00f4ng tin khi\u1ebfn v\u00ed b\u1ecb kh\u00f3a nh\u00e9!<\/span><\/p>\n

3. S\u1ebd ra sao n\u1ebfu t\u00f4i nh\u1eadp sai m\u00e3 PIN?<\/b><\/h2>\n

Khi \u0111\u0103ng nh\u1eadp m\u00e3 PIN sai 3 l\u1ea7n, h\u1ec7 th\u1ed1ng c\u1ee7a v\u00ed s\u1ebd g\u1eedi c\u1ea3nh b\u00e1o b\u1ea1n \u0111ang n\u1eb1m trong v\u00f9ng c\u00f3 nguy c\u01a1 b\u1ecb x\u00f3a s\u1ed5 thi\u1ebft b\u1ecb. Ngay l\u1eadp t\u1ee9c, thi\u1ebft b\u1ecb s\u1ebd h\u1ed7 tr\u1ee3 b\u1ea1n b\u1eb1ng c\u00e1ch hi\u1ec3n th\u1ecb m\u00e3 PIN b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb \u0111\u0103ng nh\u1eadp \u0111\u1ec3 c\u00f3 s\u1ef1 c\u00e2n nh\u1eafc k\u1ef9 tr\u01b0\u1edbc khi nh\u1ea5n n\u00fat truy c\u1eadp.<\/span><\/p>\n

N\u1ebfu b\u1ea1n nh\u1eadp sai m\u00e3 PIN 13 l\u1ea7n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb kh\u00f3a.<\/span><\/p>\n

4. T\u1ea1i sao t\u00f4i \u0111\u00e3 k\u1ebft n\u1ed1i Coldcard v\u1edbi m\u00e1y t\u00ednh b\u1eb1ng c\u00e1p MicroUSB nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn?\u00a0<\/b><\/h2>\n

Coldcard kh\u00f4ng k\u00edch ho\u1ea1t c\u1ed5ng USB cho \u0111\u1ebfn khi b\u1ea1n nh\u1eadp \u0111\u00fang m\u00e3 PIN. N\u1ebfu b\u1ea1n \u0111\u00e3 c\u1eafm k\u1ebft n\u1ed1i v\u00ed c\u1ee9ng v\u1edbi m\u00e1y t\u00ednh nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn, h\u00e3y ki\u1ec3m tra l\u1ea1i m\u00e3 PIN.<\/span><\/p>\n

5. Th\u1ebb nh\u1edb MicroSD gi\u1eef vai tr\u00f2 g\u00ec trong v\u00ed c\u1ee9ng Coldcard?<\/b><\/h2>\n

Ngo\u00e0i ch\u1ee9c n\u0103ng cho ph\u00e9p b\u1ea1n m\u00e3 h\u00f3a v\u00e0 sao l\u01b0u Seed Phrase tr\u00ean th\u1ebb nh\u1edb, \u201ckhe c\u1eafm th\u1ebb quy\u1ec1n l\u1ef1c\u201d n\u00e0y c\u00f2n mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u l\u1ee3i \u00edch tuy\u1ec7t v\u1eddi:<\/span><\/p>\n

    \n
  • B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp to\u00e0n b\u1ed9 d\u1eef li\u1ec7u giao d\u1ecbch m\u1edbi t\u1eeb th\u1ebb nh\u1edb.<\/span><\/li>\n
  • Ghi to\u00e0n b\u1ed9 d\u1eef li\u1ec7u kh\u00f3a c\u00f4ng khai, \u0111\u1ecba ch\u1ec9 thanh to\u00e1n v\u00e0o th\u1ebb \u0111\u1ec3 ti\u1ec7n s\u1eed d\u1ee5ng cho l\u1ea7n sau.<\/span><\/li>\n
  • Sao ch\u00e9p c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf th\u00f4ng qua c\u00e1c t\u1eadp tin c\u00f3 trong th\u1ebb.<\/span><\/li>\n
  • B\u1ea1n c\u00f3 th\u1ec3 m\u1edf V\u00ed Electrum tr\u00ean th\u1ebb MicroSD khi gh\u00e9p n\u1ed1i v\u1edbi Coldcard m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng USB.<\/span><\/li>\n
  • D\u1ec5 d\u00e0ng tham gia c\u00e1c v\u00ed Multisig (v\u00ed \u0111a ch\u1eef k\u00fd) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c t\u1ec7p \u0111\u01b0\u1ee3c chuy\u1ec3n qua th\u1ebb.<\/span><\/li>\n<\/ul>\n

    6. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 sao l\u01b0u d\u1eef li\u1ec7u c\u00f3 trong v\u00ed Coldcard sang th\u1ebb MicroSD?<\/strong><\/h2>\n

    Sau l\u01b0u d\u1eef li\u1ec7u trong v\u00ed Coldcard l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 b\u1ea1n t\u1ea1o ra b\u1ea3n backup ho\u1eb7c d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef kh\u00f3a Seed Phrase \u0111\u1ec3 d\u00f9ng l\u00fac c\u1ea7n.<\/span><\/p>\n

    Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho n\u1ed9i dung sao l\u01b0u tr\u00ean th\u1ebb nh\u1edb MicroSD lu\u00f4n an to\u00e0n, Coldcard lu\u00f4n t\u1ef1 \u0111\u1ed9ng m\u00e3 h\u00f3a c\u00e1c d\u1eef li\u1ec7u l\u01b0u tr\u1eef tr\u00ean th\u1ebb d\u01b0\u1edbi d\u1ea1ng t\u1ec7p 7Z v\u00e0 lu\u00f4n c\u00f3 m\u1eadt kh\u1ea9u truy c\u1eadp. M\u1eadt kh\u1ea9u n\u00e0y g\u1ed3m 12 t\u1eeb. N\u1ebfu kh\u00f4ng c\u00f3 m\u1eadt kh\u1ea9u, th\u01b0 m\u1ee5c tr\u00ean th\u1ebb nh\u1edb s\u1ebd kh\u00f4ng bao gi\u1edd b\u1ecb m\u1edf.<\/span><\/p>\n

    \u0110\u1ec3 b\u1eadt t\u00ednh n\u0103ng sao l\u01b0u d\u1eef li\u1ec7u t\u1eeb v\u00ed Coldcard sang th\u1ebb MicroSD, b\u1ea1n th\u1ef1c hi\u1ec7n 2 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n sau:<\/span><\/p>\n

    B\u01b0\u1edbc 1: <\/b>B\u1ea1n c\u1eafm th\u1ebb MicroSD v\u00e0 \u0111i t\u1edbi m\u1ee5c <\/span>Advanced > Backups > Backup System<\/b>.<\/span><\/p>\n

    B\u01b0\u1edbc 2:<\/b> Sau khi m\u1edf h\u1ed9p tho\u1ea1i <\/span>Backup System, <\/b>c\u1ee5m m\u1eadt kh\u1ea9u g\u1ed3m 12 t\u1eeb s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. B\u1ea1n h\u00e3y ghi l\u1ea1i c\u1ee5m m\u1eadt kh\u1ea9u n\u00e0y \u0111\u1ec3 \u0111\u0103ng nh\u1eadp d\u1eef li\u1ec7u tr\u00ean th\u1ebb MicroSD v\u00e0o l\u1ea7n sau.<\/span><\/p>\n

    Ch\u00fa \u00fd: M\u1ed7i b\u1ea3n sao l\u01b0u tr\u00ean th\u1ebb MicroSD s\u1ebd c\u00f3 m\u1ed9t m\u1eadt kh\u1ea9u ri\u00eang. T\u1ec7p sao l\u01b0u s\u1ebd v\u00f4 d\u1ee5ng n\u1ebfu kh\u00f4ng c\u00f3 c\u1ee5m m\u1eadt kh\u1ea9u 12 t\u1eeb.\u00a0<\/span><\/p>\n

    7. L\u00e0m sao \u0111\u1ec3 m\u00e1y t\u00ednh hi\u1ec3n th\u1ecb \u0111\u1ecba ch\u1ec9 thanh to\u00e1n \u0111\u00e3 g\u1eedi ti\u1ec1n v\u00e0o Coldcard?<\/b><\/h2>\n

    \u0110\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u00ecn r\u00f5 ai \u0111\u00e3 g\u1eedi ti\u1ec1n v\u00e0o t\u00e0i kho\u1ea3n c\u1ee7a m\u00ecnh, thu\u1eadt to\u00e1n c\u1ee7a Coldcard t\u00ednh to\u00e1n \u0111\u1ed9c l\u1eadp \u0111\u1ecba ch\u1ec9 ng\u01b0\u1eddi g\u1eedi v\u00e0 hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng x\u00e1c minh. \u0110\u1ec3 b\u1eadt t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/span><\/p>\n

    N\u1ebfu s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m Electrum, b\u1ea1n nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng \u201ccon m\u1eaft\u201d \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb g\u1ea7n \u0111\u1ecba ch\u1ec9 thanh to\u00e1n. Sau \u0111\u00f3 b\u1ea1n \u0111\u1ed1i chi\u1ebfu gi\u00e1 tr\u1ecb hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh Coldcard so v\u1edbi gi\u00e1 tr\u1ecb m\u00e0 Electrum \u0111ang hi\u1ec3n th\u1ecb \u0111\u1ec3 x\u00e1c minh giao d\u1ecbch \u0111\u00fang.<\/span><\/p>\n

    Ngo\u00e0i ra, n\u1ebfu mu\u1ed1n xem \u0111\u1ecba ch\u1ec9 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh Coldcard, b\u1ea1n ch\u1ecdn <\/span>Advanced >> Address Explorer<\/b> v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn.\u00a0<\/span><\/p>\n

    L\u1eddi k\u1ebft<\/b><\/h2>\n

    Mong r\u1eb1ng v\u00e0i th\u00f4ng tin chia s\u1ebb c\u1ee7a chuy\u00ean gia BitcoinVN Shop \u0111\u00e3 gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng s\u1eed d\u1ee5ng v\u00ed c\u1ee9ng Coldcard hi\u1ec7u qu\u1ea3. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh v\u00ed, n\u1ebfu c\u00f2n \u0111i\u1ec1u g\u00ec th\u1eafc m\u1eafc ho\u1eb7c mu\u1ed1n chia s\u1ebb, m\u1eddi b\u1ea1n li\u00ean h\u1ec7 th\u00f4ng tin b\u00ean d\u01b0\u1edbi \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p 24\/7.<\/span><\/p>\n

    BITCOINVN SHOP<\/b><\/h4>\n

    \u0110\u1ecba ch\u1ec9:<\/span><\/h4>\n

    Hotline: 098 345 89 07<\/span><\/h4>\n

    Email: support@bitcoinvn.io\u00a0<\/span><\/h4>\n

    #vilanhbitcoin #vicungbitcoin #vitiendientu #bitcoinvnshop<\/span><\/h4>\n

     <\/p>\n","protected":false},"excerpt":{"rendered":"

    Ngay khi nh\u1eadn \u0111\u01b0\u1ee3c v\u00ed Coldcard t\u1eeb BitcoinVN Shop, \u0111\u1eebng v\u1ed9i m\u1edf h\u1ed9p v\u00e0 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t v\u00ed. H\u00e3y n\u1eafm r\u00f5 7 v\u1ea5n \u0111\u1ec1 sau \u0111\u1ec3 d\u00f9ng v\u00ed t\u1ed1i \u01b0u nh\u1ea5t, tr\u00e1nh c\u00e1c r\u1ee7i ro x\u1ea3y ra. 1. Seed Phrase c\u1ee7a v\u00ed Coldcard MK3 g\u1ed3m bao nhi\u00eau t\u1eeb? H\u00e3ng Coldcard s\u1eed d\u1ee5ng BIP-39 g\u1ed3m […]<\/p>\n","protected":false},"author":23,"featured_media":723,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[116,115,62],"class_list":["post-3109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-coldcard-mk3","tag-mua-vi-coldcard","tag-vi-coldcard"],"yoast_head":"\n7 \u0111i\u1ec1u c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi d\u00f9ng v\u00ed Coldcard MK3 - BitcoinVN Shop<\/title>\n<meta name=\"description\" content=\"Ngay khi nh\u1eadn \u0111\u01b0\u1ee3c v\u00ed Coldcard, \u0111\u1eebng v\u1ed9i m\u1edf h\u1ed9p v\u00e0 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t v\u00ed. H\u00e3y n\u1eafm r\u00f5 7 v\u1ea5n \u0111\u1ec1 sau \u0111\u1ec3 d\u00f9ng v\u00ed t\u1ed1i \u01b0u nh\u1ea5t, tr\u00e1nh c\u00e1c r\u1ee7i ro x\u1ea3y ra.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bitcoinvn.io\/shop-2\/7-dieu-can-biet-vi-coldcard-mk3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"7 \u0111i\u1ec1u c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi d\u00f9ng v\u00ed Coldcard MK3 - BitcoinVN Shop\" \/>\n<meta property=\"og:description\" content=\"Ngay khi nh\u1eadn \u0111\u01b0\u1ee3c v\u00ed Coldcard, \u0111\u1eebng v\u1ed9i m\u1edf h\u1ed9p v\u00e0 ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t v\u00ed. 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