{"id":312,"date":"2025-03-20T07:29:38","date_gmt":"2025-03-20T00:29:38","guid":{"rendered":"https:\/\/viettoken.com\/?p=312"},"modified":"2025-03-20T07:37:39","modified_gmt":"2025-03-20T00:37:39","slug":"what-is-blockchain","status":"publish","type":"post","link":"https:\/\/viettoken.com\/vi\/2025\/03\/20\/what-is-blockchain\/","title":{"rendered":"Blockchain l\u00e0 g\u00ec?"},"content":{"rendered":"

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi ti\u1ec1n \u0111i\u1ec7n t\u1eed nh\u01b0 Bitcoin ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o ch\u01b0a? Ho\u1eb7c c\u00e1c giao d\u1ecbch k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt nh\u01b0 th\u1ebf n\u00e0o khi kh\u00f4ng c\u00f3 ng\u00e2n h\u00e0ng \u1edf gi\u1eefa? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f4ng ngh\u1ec7 blockchain<\/strong>! Nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng \u0111\u1eebng lo, t\u00f4i s\u1ebd gi\u1ea3i th\u00edch n\u00f3 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

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Blockchain l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n

Blockchain l\u00e0 m\u1ed9t s\u1ed5 c\u00e1i k\u1ef9 thu\u1eadt s\u1ed1<\/strong> (gi\u1ed1ng nh\u01b0 m\u1ed9t cu\u1ed1n s\u1ed5 tay) ghi l\u1ea1i c\u00e1c giao d\u1ecbch m\u1ed9t c\u00e1ch an to\u00e0n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t cu\u1ed1n s\u1ed5 tay truy\u1ec1n th\u1ed1ng ch\u1ec9 c\u00f3 m\u1ed9t ng\u01b0\u1eddi vi\u1ebft v\u00e0 qu\u1ea3n l\u00fd n\u00f3, blockchain l\u00e0 \u0111\u01b0\u1ee3c chia s\u1ebb<\/strong> tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh. \u0110i\u1ec1u n\u00e0y khi\u1ebfn vi\u1ec7c thay \u0111\u1ed5i ho\u1eb7c hack tr\u1edf n\u00ean g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3.<\/p>\n\n\n\n

H\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 l\u00e0 m\u1ed9t T\u00e0i li\u1ec7u Google<\/strong> m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u1ec3 truy c\u1eadp.<\/p>\n\n\n\n

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  • M\u1ed9t khi \u0111i\u1ec1u g\u00ec \u0111\u00f3 \u0111\u01b0\u1ee3c vi\u1ebft ra, n\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n m\u1ecdi ng\u01b0\u1eddi \u0111\u1ed3ng \u00fd.<\/li>\n\n\n\n
  • M\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 m\u1ed9t b\u1ea3n sao, v\u00ec v\u1eady n\u1ebfu m\u1ed9t b\u1ea3n sao b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb ph\u00e1 h\u1ee7y, nh\u1eefng b\u1ea3n sao kh\u00e1c v\u1eabn an to\u00e0n.<\/li>\n<\/ul>\n\n\n\n

    \u0110i\u1ec1u n\u00e0y l\u00e0m cho blockchain c\u1ef1c k\u1ef3 minh b\u1ea1ch, an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady<\/strong>.<\/p>\n\n\n\n

    \n\n\n\n

    Blockchain ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n

    M\u1ed9t blockchain bao g\u1ed3m kh\u1ed1i<\/strong>v\u00e0 m\u1ed7i kh\u1ed1i ch\u1ee9a:<\/p>\n\n\n\n

      \n
    1. D\u1eef li\u1ec7u<\/strong> \u2013 Th\u00f4ng tin nh\u01b0 chi ti\u1ebft giao d\u1ecbch (ai \u0111\u00e3 g\u1eedi g\u00ec cho ai).<\/li>\n\n\n\n
    2. M\u1ed9t M\u00e3 Duy Nh\u1ea5t (B\u0103m)<\/strong> \u2013 D\u1ea5u v\u00e2n tay \u0111\u1ec3 nh\u1eadn d\u1ea1ng kh\u1ed1i.<\/li>\n\n\n\n
    3. B\u0103m c\u1ee7a kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3<\/strong> \u2013 Kh\u1ed1i n\u00e0y li\u00ean k\u1ebft v\u1edbi kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3, t\u1ea1o th\u00e0nh m\u1ed9t chu\u1ed7i.<\/li>\n<\/ol>\n\n\n\n

      H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t t\u00e0u c\u00f3 nhi\u1ec1u toa (kh\u1ed1i)<\/strong> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau.<\/p>\n\n\n\n

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      • M\u1ed7i toa xe c\u00f3 m\u1ed9t kh\u00f3a (b\u0103m)<\/strong>v\u00e0 ch\u00eca kh\u00f3a c\u1ee7a toa xe ti\u1ebfp theo ph\u1ee5 thu\u1ed9c v\u00e0o toa xe tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n\n\n\n
      • N\u1ebfu ai \u0111\u00f3 c\u1ed1 g\u1eafng thay \u0111\u1ed5i<\/strong> b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec trong m\u1ed9t toa xe, t\u1ea5t c\u1ea3 c\u00e1c toa xe \u0111\u1ec1u ph\u1ea3i thay \u0111\u1ed5i, \u0111i\u1ec1u n\u00e0y g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3!<\/li>\n<\/ul>\n\n\n\n

        \u0110i\u1ec1u n\u00e0y l\u00e0m cho blockchain ch\u1ed1ng gi\u1ea3 m\u1ea1o<\/strong>.<\/p>\n\n\n\n

        \n\n\n\n

        Blockchain \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u? (V\u00ed d\u1ee5 th\u1ef1c t\u1ebf)<\/strong><\/h3>\n\n\n\n

        \ud83d\udcb0 Cryptocurrency (Bitcoin & Ethereum)<\/strong><\/p>\n\n\n\n

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        • Giao d\u1ecbch Bitcoin s\u1eed d\u1ee5ng blockchain \u0111\u1ec3 gi\u1eef h\u1ed3 s\u01a1 c\u00f4ng khai<\/strong> c\u1ee7a vi\u1ec7c ai s\u1edf h\u1eefu c\u00e1i g\u00ec.<\/li>\n\n\n\n
        • Kh\u00f4ng c\u1ea7n ng\u00e2n h\u00e0ng hay trung gian, ch\u1ec9 c\u1ea7n m\u1ed9t m\u1ea1ng l\u01b0\u1edbi m\u00e1y t\u00ednh phi t\u1eadp trung \u0111\u1ec3 x\u00e1c minh giao d\u1ecbch.<\/li>\n<\/ul>\n\n\n\n

          \ud83d\udce6 Qu\u1ea3n l\u00fd chu\u1ed7i cung \u1ee9ng (Theo d\u00f5i s\u1ea3n ph\u1ea9m)<\/strong><\/p>\n\n\n\n

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          • C\u00e1c c\u00f4ng ty nh\u01b0 Walmart v\u00e0 IBM s\u1eed d\u1ee5ng blockchain \u0111\u1ec3 theo d\u00f5i ngu\u1ed3n g\u1ed1c c\u1ee7a th\u1ef1c ph\u1ea9m, qu\u1ea7n \u00e1o ho\u1eb7c thu\u1ed1c men<\/strong>.<\/li>\n\n\n\n
          • N\u1ebfu m\u1ed9t s\u1ea3n ph\u1ea9m b\u1ecb l\u1ed7i, blockchain gi\u00fap t\u00ecm ra ch\u00ednh x\u00e1c \u1edf \u0111\u00e2u v\u00e0 khi n\u00e0o<\/strong> s\u1ef1 c\u1ed1 \u0111\u00e3 x\u1ea3y ra.<\/li>\n<\/ul>\n\n\n\n

            \ud83d\udcdc H\u1ee3p \u0111\u1ed3ng s\u1ed1 (H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh)<\/strong><\/p>\n\n\n\n

              \n
            • H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t m\u00e1y b\u00e1n h\u00e0ng t\u1ef1 \u0111\u1ed9ng<\/strong>: B\u1ea1n cho ti\u1ec1n v\u00e0o v\u00e0 m\u00e1y t\u1ef1 \u0111\u1ed9ng<\/strong> mang \u0111\u1ebfn cho b\u1ea1n m\u1ed9t b\u1eefa \u0103n nh\u1eb9\u2014kh\u00f4ng c\u1ea7n thu ng\u00e2n!<\/li>\n\n\n\n
            • S\u1eed d\u1ee5ng Blockchain h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh<\/strong> \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c th\u1ecfa thu\u1eadn s\u1ed1\u2014t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u1eefng th\u1ee9 nh\u01b0 giao d\u1ecbch b\u1ea5t \u0111\u1ed9ng s\u1ea3n v\u00e0 y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng b\u1ea3o hi\u1ec3m.<\/li>\n<\/ul>\n\n\n\n

              \ud83c\udfa8 NFTs & Digital Art<\/strong><\/p>\n\n\n\n

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              • Ngh\u1ec7 s\u0129 c\u00f3 th\u1ec3 b\u00e1n t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt k\u1ef9 thu\u1eadt s\u1ed1 d\u01b0\u1edbi d\u1ea1ng NFT (Non-Fungible Token) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng blockchain, ch\u1ee9ng minh quy\u1ec1n s\u1edf h\u1eefu v\u00e0 t\u00ednh x\u00e1c th\u1ef1c<\/strong>.<\/li>\n\n\n\n
              • \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n vi\u1ec7c sao ch\u00e9p v\u00e0 vi ph\u1ea1m b\u1ea3n quy\u1ec1n trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1.<\/li>\n<\/ul>\n\n\n\n
                \n\n\n\n

                T\u1ea1i sao Blockchain l\u1ea1i quan tr\u1ecdng?<\/strong><\/h3>\n\n\n\n

                \u2705 B\u1ea3o v\u1ec7<\/strong> \u2013 Kh\u00f3 hack v\u00ec t\u1ea5t c\u1ea3 c\u00e1c b\u1ea3n sao ph\u1ea3i \u0111\u01b0\u1ee3c thay \u0111\u1ed5i c\u00f9ng m\u1ed9t l\u00fac.
                \u2705 T\u00ednh minh b\u1ea1ch<\/strong> \u2013 M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u th\u1ea5y h\u1ed3 s\u01a1, gi\u1ea3m gian l\u1eadn.
                \u2705 Kh\u00f4ng c\u00f3 trung gian<\/strong> \u2013 Ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ti\u1ec1n b\u1ea1c trong giao d\u1ecbch.<\/p>\n\n\n\n

                \n\n\n\n

                Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/strong><\/h3>\n\n\n\n

                Blockchain l\u00e0 m\u1ed9t thay \u0111\u1ed5i tr\u00f2 ch\u01a1i<\/strong> c\u00f4ng ngh\u1ec7 \u0111\u00e3 c\u1ea3i thi\u1ec7n ng\u00e2n h\u00e0ng, kinh doanh v\u00e0 th\u1eadm ch\u00ed l\u00e0 ngh\u1ec7 thu\u1eadt! M\u1eb7c d\u00f9 b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng nh\u1eadn th\u1ea5y \u0111i\u1ec1u \u0111\u00f3 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, nh\u01b0ng n\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb1ng sau h\u1eadu tr\u01b0\u1eddng \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n h\u01a1n, nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n<\/strong>.<\/p>\n\n\n\n

                B\u1ea1n c\u00f3 mu\u1ed1n xem th\u00eam kh\u00f4ng? v\u00ed d\u1ee5 v\u1ec1 blockchain trong th\u1ebf gi\u1edbi th\u1ef1c<\/strong>? H\u00e3y cho t\u00f4i bi\u1ebft trong ph\u1ea7n b\u00ecnh lu\u1eadn nh\u00e9!<\/p>","protected":false},"excerpt":{"rendered":"

                Have you ever wondered how cryptocurrencies like Bitcoin work? Or how digital transactions stay secure without a bank in the middle? The answer is blockchain technology! It might sound complicated, but don\u2019t worry\u2014I\u2019ll break it down into simple terms with real-life examples. What is Blockchain? Blockchain is a digital ledger (like a notebook) that records […]<\/p>\n","protected":false},"author":2,"featured_media":322,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[1,50],"tags":[54,53],"class_list":["post-312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crypto","category-crypto-guide","tag-bitcoin","tag-blockchain"],"_links":{"self":[{"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/posts\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/comments?post=312"}],"version-history":[{"count":8,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/posts\/312\/revisions"}],"predecessor-version":[{"id":320,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/posts\/312\/revisions\/320"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/media\/322"}],"wp:attachment":[{"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/media?parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/categories?post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viettoken.com\/vi\/wp-json\/wp\/v2\/tags?post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}