{"id":571810,"date":"2026-07-29T10:30:26","date_gmt":"2026-07-29T03:30:26","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=571810"},"modified":"2026-07-29T10:30:26","modified_gmt":"2026-07-29T03:30:26","slug":"blockchain-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/","title":{"rendered":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p><strong>Blockchain (chu\u1ed7i kh\u1ed1i) l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng c\u00e1c kh\u1ed1i (block) \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 n\u1ed1i ti\u1ebfp nhau th\u00e0nh chu\u1ed7i, \u0111\u1ed3ng th\u1eddi sao l\u01b0u tr\u00ean r\u1ea5t nhi\u1ec1u m\u00e1y t\u00ednh trong m\u1ea1ng l\u01b0\u1edbi thay v\u00ec m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m.<\/strong> Nh\u1edd c\u00e1ch t\u1ed5 ch\u1ee9c n\u00e0y, d\u1eef li\u1ec7u \u0111\u00e3 ghi v\u00e0o blockchain r\u1ea5t kh\u00f3 b\u1ecb s\u1eeda \u0111\u1ed5i ho\u1eb7c x\u00f3a b\u1ecf m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n. Blockchain l\u00e0 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt \u0111\u1ee9ng sau ti\u1ec1n m\u00e3 h\u00f3a, h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh v\u00e0 nhi\u1ec1u h\u1ec7 th\u1ed1ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch m\u1ed9t kh\u1ed1i \u0111\u01b0\u1ee3c t\u1ea1o ra, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 c\u1ea3 nh\u1eefng h\u1ea1n ch\u1ebf c\u00f2n t\u1ed3n t\u1ea1i.<\/p>\n<h2>Blockchain l\u00e0 g\u00ec?<\/h2>\n<p>Blockchain l\u00e0 m\u1ed9t d\u1ea1ng s\u1ed5 c\u00e1i ph\u00e2n t\u00e1n (distributed ledger) \u2013 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t cu\u1ed1n s\u1ed5 ghi ch\u00e9p m\u00e0 m\u1ecdi ng\u01b0\u1eddi trong m\u1ea1ng l\u01b0\u1edbi \u0111\u1ec1u gi\u1eef m\u1ed9t b\u1ea3n sao gi\u1ed1ng h\u1ec7t nhau. Khi c\u00f3 giao d\u1ecbch m\u1edbi, th\u00f4ng tin \u0111\u01b0\u1ee3c gom l\u1ea1i th\u00e0nh m\u1ed9t kh\u1ed1i, \u0111\u01b0\u1ee3c m\u1ea1ng l\u01b0\u1edbi ki\u1ec3m tra r\u1ed3i n\u1ed1i v\u00e0o cu\u1ed1i chu\u1ed7i. T\u1eeb \u0111\u00f3 v\u1ec1 sau, b\u1ea3n ghi n\u00e0y t\u1ed3n t\u1ea1i tr\u00ean h\u00e0ng ngh\u00ecn b\u1ea3n sao kh\u00e1c nhau.<\/p>\n<p>\u0110i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t so v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng n\u1eb1m \u1edf quy\u1ec1n ki\u1ec3m so\u00e1t. V\u1edbi m\u1ed9t <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/api-la-gi\/\">h\u1ec7 th\u1ed1ng th\u00f4ng th\u01b0\u1eddng giao ti\u1ebfp qua API<\/a>, d\u1eef li\u1ec7u do m\u1ed9t \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd v\u00e0 \u0111\u01a1n v\u1ecb \u0111\u00f3 c\u00f3 to\u00e0n quy\u1ec1n ch\u1ec9nh s\u1eeda. V\u1edbi blockchain c\u00f4ng khai, kh\u00f4ng ai m\u1ed9t m\u00ecnh s\u1eeda \u0111\u01b0\u1ee3c l\u1ecbch s\u1eed \u0111\u00e3 ghi, v\u00ec mu\u1ed1n s\u1eeda th\u00ec ph\u1ea3i thuy\u1ebft ph\u1ee5c \u0111\u01b0\u1ee3c ph\u1ea7n l\u1edbn m\u1ea1ng l\u01b0\u1edbi c\u00f9ng ch\u1ea5p nh\u1eadn thay \u0111\u1ed5i \u0111\u00f3.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-571812\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-3.jpg\" alt=\"blockchain-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t block<\/h2>\n<p>M\u1ed7i kh\u1ed1i trong chu\u1ed7i th\u01b0\u1eddng g\u1ed3m ba ph\u1ea7n ch\u00ednh:<\/p>\n<ul>\n<li><strong>D\u1eef li\u1ec7u (data):<\/strong> n\u1ed9i dung c\u1ea7n ghi l\u1ea1i. V\u1edbi blockchain ti\u1ec1n m\u00e3 h\u00f3a, \u0111\u00f3 l\u00e0 danh s\u00e1ch giao d\u1ecbch: ai g\u1eedi, g\u1eedi cho ai, s\u1ed1 l\u01b0\u1ee3ng bao nhi\u00eau, v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0o.<\/li>\n<li><strong>Hash c\u1ee7a ch\u00ednh kh\u1ed1i \u0111\u00f3:<\/strong> hash (m\u00e3 b\u0103m) l\u00e0 m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 sinh ra t\u1eeb to\u00e0n b\u1ed9 n\u1ed9i dung kh\u1ed1i, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 &#8220;d\u1ea5u v\u00e2n tay&#8221;. Ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i m\u1ed9t k\u00fd t\u1ef1 nh\u1ecf trong d\u1eef li\u1ec7u, hash s\u1ebd kh\u00e1c \u0111i ho\u00e0n to\u00e0n.<\/li>\n<li><strong>Hash c\u1ee7a kh\u1ed1i li\u1ec1n tr\u01b0\u1edbc:<\/strong> \u0111\u00e2y ch\u00ednh l\u00e0 s\u1ee3i d\u00e2y n\u1ed1i c\u00e1c kh\u1ed1i l\u1ea1i th\u00e0nh chu\u1ed7i v\u00e0 l\u00e0 chi ti\u1ebft quan tr\u1ecdng nh\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 c\u01a1 ch\u1ebf.<\/li>\n<\/ul>\n<h3>V\u00ec sao chu\u1ed7i kh\u1ed1i r\u1ea5t kh\u00f3 s\u1eeda?<\/h3>\n<p>Gi\u1ea3 s\u1eed ai \u0111\u00f3 mu\u1ed1n s\u1eeda d\u1eef li\u1ec7u \u1edf kh\u1ed1i th\u1ee9 100 trong m\u1ed9t chu\u1ed7i d\u00e0i 1.000 kh\u1ed1i. Ngay khi n\u1ed9i dung thay \u0111\u1ed5i, hash c\u1ee7a kh\u1ed1i 100 s\u1ebd kh\u00e1c \u0111i. Nh\u01b0ng kh\u1ed1i 101 l\u1ea1i \u0111ang l\u01b0u hash c\u0169 c\u1ee7a kh\u1ed1i 100, n\u00ean kh\u1ed1i 101 l\u1eadp t\u1ee9c tr\u1edf n\u00ean kh\u00f4ng h\u1ee3p l\u1ec7. Mu\u1ed1n h\u1ee3p th\u1ee9c h\u00f3a, k\u1ebb t\u1ea5n c\u00f4ng ph\u1ea3i t\u00ednh l\u1ea1i hash cho kh\u1ed1i 101, r\u1ed3i 102, r\u1ed3i to\u00e0n b\u1ed9 900 kh\u1ed1i ph\u00eda sau.<\/p>\n<p>Ch\u01b0a d\u1eebng \u1edf \u0111\u00f3, vi\u1ec7c t\u00ednh l\u1ea1i n\u00e0y ph\u1ea3i ho\u00e0n t\u1ea5t nhanh h\u01a1n t\u1ed1c \u0111\u1ed9 m\u1ea1ng l\u01b0\u1edbi \u0111ang t\u1ea1o kh\u1ed1i m\u1edbi, v\u00e0 ph\u1ea3i l\u00e0m \u0111\u1ed3ng th\u1eddi tr\u00ean h\u01a1n m\u1ed9t n\u1eeda s\u1ed1 m\u00e1y trong m\u1ea1ng th\u00ec b\u1ea3n chu\u1ed7i gi\u1ea3 m\u1edbi \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. V\u1edbi nh\u1eefng m\u1ea1ng l\u01b0\u1edbi l\u1edbn, chi ph\u00ed \u0111\u1ec3 l\u00e0m vi\u1ec7c n\u00e0y v\u01b0\u1ee3t xa l\u1ee3i \u00edch thu \u0111\u01b0\u1ee3c. \u0110\u00f3 l\u00e0 l\u00fd do d\u1eef li\u1ec7u blockchain \u0111\u01b0\u1ee3c xem l\u00e0 g\u1ea7n nh\u01b0 b\u1ea5t bi\u1ebfn, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00ec n\u00f3 \u0111\u01b0\u1ee3c kh\u00f3a l\u1ea1i b\u1eb1ng m\u1ed9t c\u01a1 ch\u1ebf b\u00ed m\u1eadt n\u00e0o.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-571813\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-1.jpg\" alt=\"blockchain-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn: Proof of Work v\u00e0 Proof of Stake<\/h2>\n<p>V\u00ec kh\u00f4ng c\u00f3 ai \u0111\u1ee9ng ra l\u00e0m tr\u1ecdng t\u00e0i, m\u1ea1ng l\u01b0\u1edbi c\u1ea7n m\u1ed9t lu\u1eadt ch\u01a1i \u0111\u1ec3 th\u1ed1ng nh\u1ea5t kh\u1ed1i n\u00e0o \u0111\u01b0\u1ee3c ghi ti\u1ebfp v\u00e0o chu\u1ed7i. Lu\u1eadt ch\u01a1i \u0111\u00f3 g\u1ecdi l\u00e0 <strong>c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn<\/strong> (consensus mechanism). Hai c\u01a1 ch\u1ebf ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Proof of Work v\u00e0 Proof of Stake.<\/p>\n<ul>\n<li><strong>Proof of Work (PoW \u2013 b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c):<\/strong> c\u00e1c m\u00e1y trong m\u1ea1ng \u0111ua nhau gi\u1ea3i m\u1ed9t b\u00e0i to\u00e1n m\u00e3 h\u00f3a b\u1eb1ng c\u00e1ch th\u1eed r\u1ea5t nhi\u1ec1u l\u1ea7n. M\u00e1y t\u00ecm ra \u0111\u00e1p \u00e1n tr\u01b0\u1edbc \u0111\u01b0\u1ee3c quy\u1ec1n ghi kh\u1ed1i m\u1edbi v\u00e0 nh\u1eadn ph\u1ea7n th\u01b0\u1edfng. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;\u0111\u00e0o&#8221; (mining). Bitcoin l\u00e0 v\u00ed d\u1ee5 ti\u00eau bi\u1ec3u.<\/li>\n<li><strong>Proof of Stake (PoS \u2013 b\u1eb1ng ch\u1ee9ng c\u1ed5 ph\u1ea7n):<\/strong> thay v\u00ec \u0111ua s\u1ee9c t\u00ednh to\u00e1n, ng\u01b0\u1eddi tham gia ph\u1ea3i kh\u00f3a m\u1ed9t l\u01b0\u1ee3ng t\u00e0i s\u1ea3n c\u1ee7a m\u1ea1ng l\u01b0\u1edbi l\u00e0m cam k\u1ebft. H\u1ec7 th\u1ed1ng ch\u1ecdn ra ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ghi kh\u1ed1i, ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean l\u01b0\u1ee3ng t\u00e0i s\u1ea3n \u0111\u00e3 kh\u00f3a. N\u1ebfu gian l\u1eadn, ph\u1ea7n t\u00e0i s\u1ea3n \u0111\u00f3 c\u00f3 th\u1ec3 b\u1ecb t\u1ecbch thu. Ethereum \u0111\u00e3 chuy\u1ec3n t\u1eeb PoW sang PoS v\u00e0o n\u0103m 2022.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>Proof of Work (PoW)<\/th>\n<th>Proof of Stake (PoS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u00e1ch ch\u1ecdn ng\u01b0\u1eddi ghi kh\u1ed1i<\/td>\n<td>\u0110ua gi\u1ea3i b\u00e0i to\u00e1n m\u00e3 h\u00f3a b\u1eb1ng s\u1ee9c t\u00ednh to\u00e1n<\/td>\n<td>Ch\u1ecdn d\u1ef1a tr\u00ean l\u01b0\u1ee3ng t\u00e0i s\u1ea3n \u0111\u01b0\u1ee3c kh\u00f3a l\u00e0m cam k\u1ebft<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u tham gia<\/td>\n<td>M\u00e1y \u0111\u00e0o chuy\u00ean d\u1ee5ng, ngu\u1ed3n \u0111i\u1ec7n l\u1edbn<\/td>\n<td>V\u1ed1n kh\u00f3a trong m\u1ea1ng l\u01b0\u1edbi, ph\u1ea7n c\u1ee9ng nh\u1eb9 h\u01a1n nhi\u1ec1u<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>Th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3<\/td>\n<\/tr>\n<tr>\n<td>R\u00e0o c\u1ea3n v\u1edbi ng\u01b0\u1eddi t\u1ea5n c\u00f4ng<\/td>\n<td>Ph\u1ea3i n\u1eafm ph\u1ea7n l\u1edbn s\u1ee9c t\u00ednh to\u00e1n c\u1ee7a m\u1ea1ng<\/td>\n<td>Ph\u1ea3i n\u1eafm ph\u1ea7n l\u1edbn t\u00e0i s\u1ea3n \u0111\u00e3 kh\u00f3a, v\u00e0 c\u00f3 nguy c\u01a1 m\u1ea5t s\u1ed1 t\u00e0i s\u1ea3n \u0111\u00f3<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec3m b\u1ecb ph\u00ea b\u00ecnh<\/td>\n<td>L\u00e3ng ph\u00ed \u0111i\u1ec7n n\u0103ng, t\u1eadp trung v\u00e0o c\u00e1c tr\u1ea1i \u0111\u00e0o l\u1edbn<\/td>\n<td>Ng\u01b0\u1eddi gi\u1eef nhi\u1ec1u t\u00e0i s\u1ea3n c\u00f3 l\u1ee3i th\u1ebf, d\u1ec5 d\u1eabn \u0111\u1ebfn t\u1eadp trung quy\u1ec1n l\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>V\u00ed d\u1ee5<\/td>\n<td>Bitcoin<\/td>\n<td>Ethereum (t\u1eeb 2022), Cardano, Solana<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ngo\u00e0i hai c\u01a1 ch\u1ebf tr\u00ean c\u00f2n c\u00f3 c\u00e1c bi\u1ebfn th\u1ec3 nh\u01b0 Delegated Proof of Stake hay Proof of Authority, th\u01b0\u1eddng d\u00f9ng cho m\u1ea1ng l\u01b0\u1edbi n\u1ed9i b\u1ed9 c\u1ea7n t\u1ed1c \u0111\u1ed9 cao v\u00e0 s\u1ed1 l\u01b0\u1ee3ng n\u00fat h\u1ea1n ch\u1ebf.<\/p>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a blockchain<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>\u00dd ngh\u0129a th\u1ef1c t\u1ebf<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Phi t\u1eadp trung<\/td>\n<td>D\u1eef li\u1ec7u n\u1eb1m tr\u00ean nhi\u1ec1u m\u00e1y, kh\u00f4ng ph\u1ee5 thu\u1ed9c m\u1ed9t t\u1ed5 ch\u1ee9c duy nh\u1ea5t; m\u1ea1ng v\u1eabn ch\u1ea1y khi m\u1ed9t s\u1ed1 m\u00e1y ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Minh b\u1ea1ch<\/td>\n<td>V\u1edbi blockchain c\u00f4ng khai, b\u1ea5t k\u1ef3 ai c\u0169ng tra c\u1ee9u \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 l\u1ecbch s\u1eed giao d\u1ecbch<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea5t bi\u1ebfn<\/td>\n<td>D\u1eef li\u1ec7u \u0111\u00e3 ghi r\u1ea5t kh\u00f3 s\u1eeda ho\u1eb7c x\u00f3a m\u00e0 kh\u00f4ng b\u1ecb m\u1ea1ng l\u01b0\u1edbi ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng c\u1ea7n b\u00ean trung gian<\/td>\n<td>Hai b\u00ean c\u00f3 th\u1ec3 giao d\u1ecbch tr\u1ef1c ti\u1ebfp d\u1ef1a tr\u00ean lu\u1eadt c\u1ee7a m\u1ea1ng l\u01b0\u1edbi<\/td>\n<\/tr>\n<tr>\n<td>\u1ea8n danh t\u01b0\u01a1ng \u0111\u1ed1i<\/td>\n<td>Giao d\u1ecbch g\u1eafn v\u1edbi \u0111\u1ecba ch\u1ec9 v\u00ed ch\u1ee9 kh\u00f4ng g\u1eafn v\u1edbi t\u00ean th\u1eadt, nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 b\u1ecb truy v\u1ebft qua ph\u00e2n t\u00edch d\u00f2ng ti\u1ec1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u1ea7n l\u01b0u \u00fd m\u1ed9t \u0111i\u1ec3m hay b\u1ecb hi\u1ec3u nh\u1ea7m: minh b\u1ea1ch kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi an to\u00e0n tuy\u1ec7t \u0111\u1ed1i. Blockchain \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ghi v\u00e0o kh\u00f4ng b\u1ecb s\u1eeda, nh\u01b0ng kh\u00f4ng \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u00f3 \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u, c\u0169ng kh\u00f4ng b\u1ea3o v\u1ec7 b\u1ea1n n\u1ebfu b\u1ea1n \u0111\u1ec3 l\u1ed9 kh\u00f3a ri\u00eang t\u01b0 c\u1ee7a v\u00ed.<\/p>\n<h2>C\u00e1c lo\u1ea1i blockchain<\/h2>\n<ul>\n<li><strong>Public blockchain (blockchain c\u00f4ng khai):<\/strong> ai c\u0169ng tham gia \u0111\u1ecdc, ghi v\u00e0 x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c. M\u1ee9c \u0111\u1ed9 phi t\u1eadp trung cao nh\u1ea5t nh\u01b0ng t\u1ed1c \u0111\u1ed9 th\u01b0\u1eddng ch\u1eadm h\u01a1n. V\u00ed d\u1ee5: Bitcoin, Ethereum.<\/li>\n<li><strong>Private blockchain (blockchain ri\u00eang t\u01b0):<\/strong> do m\u1ed9t t\u1ed5 ch\u1ee9c qu\u1ea3n l\u00fd, ch\u1ec9 nh\u1eefng b\u00ean \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n m\u1edbi tham gia. T\u1ed1c \u0111\u1ed9 nhanh, d\u1ec5 ki\u1ec3m so\u00e1t, nh\u01b0ng g\u1ea7n v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng h\u01a1n.<\/li>\n<li><strong>Consortium blockchain (blockchain li\u00ean minh):<\/strong> do m\u1ed9t nh\u00f3m t\u1ed5 ch\u1ee9c c\u00f9ng v\u1eadn h\u00e0nh v\u00e0 c\u00f9ng x\u00e1c th\u1ef1c. Th\u01b0\u1eddng d\u00f9ng gi\u1eefa c\u00e1c ng\u00e2n h\u00e0ng, h\u00e3ng v\u1eadn t\u1ea3i ho\u1eb7c doanh nghi\u1ec7p trong c\u00f9ng chu\u1ed7i cung \u1ee9ng.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a blockchain<\/h2>\n<ul>\n<li><strong>Ti\u1ec1n m\u00e3 h\u00f3a:<\/strong> \u1ee9ng d\u1ee5ng \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t, cho ph\u00e9p chuy\u1ec3n gi\u00e1 tr\u1ecb gi\u1eefa hai ng\u01b0\u1eddi m\u00e0 kh\u00f4ng c\u1ea7n ng\u00e2n h\u00e0ng \u0111\u1ee9ng gi\u1eefa.<\/li>\n<li><strong>H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh (smart contract):<\/strong> \u0111o\u1ea1n m\u00e3 t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi khi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n, v\u00ed d\u1ee5 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n ti\u1ec1n khi b\u00ean b\u00e1n x\u00e1c nh\u1eadn \u0111\u00e3 giao h\u00e0ng.<\/li>\n<li><strong>Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c:<\/strong> ghi l\u1ea1i h\u00e0nh tr\u00ecnh c\u1ee7a l\u00f4 n\u00f4ng s\u1ea3n hay linh ki\u1ec7n qua t\u1eebng kh\u00e2u. Khi c\u00f3 s\u1ef1 c\u1ed1, doanh nghi\u1ec7p x\u00e1c \u0111\u1ecbnh nhanh l\u00f4 h\u00e0ng v\u00e0 c\u00f4ng \u0111o\u1ea1n c\u00f3 v\u1ea5n \u0111\u1ec1.<\/li>\n<li><strong>NFT:<\/strong> d\u00f9ng blockchain \u0111\u1ec3 ghi nh\u1eadn quy\u1ec1n s\u1edf h\u1eefu v\u1edbi m\u1ed9t v\u1eadt ph\u1ea9m s\u1ed1 duy nh\u1ea5t. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n trong b\u00e0i <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nft-la-gi\/\">NFT l\u00e0 g\u00ec v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00e0i s\u1ea3n s\u1ed1<\/a>.<\/li>\n<li><strong>L\u01b0u tr\u1eef h\u1ed3 s\u01a1 v\u00e0 ch\u1ee9ng ch\u1ec9:<\/strong> b\u1eb1ng c\u1ea5p, h\u1ed3 s\u01a1 y t\u1ebf hay gi\u1ea5y t\u1edd s\u1edf h\u1eefu c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi d\u1ea5u tr\u00ean blockchain \u0111\u1ec3 ch\u1ed1ng l\u00e0m gi\u1ea3.<\/li>\n<\/ul>\n<h2>H\u1ea1n ch\u1ebf c\u1ee7a blockchain<\/h2>\n<p>B\u00ean c\u1ea1nh \u01b0u \u0111i\u1ec3m, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f2n nhi\u1ec1u \u0111i\u1ec3m ch\u01b0a gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c:<\/p>\n<ul>\n<li><strong>Ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng v\u1edbi c\u01a1 ch\u1ebf PoW:<\/strong> m\u1ea1ng l\u01b0\u1edbi d\u00f9ng Proof of Work c\u1ea7n l\u01b0\u1ee3ng \u0111i\u1ec7n r\u1ea5t l\u1edbn cho ho\u1ea1t \u0111\u1ed9ng \u0111\u00e0o, k\u00e9o theo nhu c\u1ea7u <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/phan-cung-may-tinh\/\">ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh<\/a> chuy\u00ean d\u1ee5ng v\u00e0 t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng b\u1ecb nhi\u1ec1u b\u00ean ph\u00ea b\u00ecnh.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 giao d\u1ecbch h\u1ea1n ch\u1ebf:<\/strong> v\u00ec m\u1ecdi n\u00fat \u0111\u1ec1u ph\u1ea3i x\u00e1c th\u1ef1c v\u00e0 l\u01b0u b\u1ea3n sao, s\u1ed1 giao d\u1ecbch x\u1eed l\u00fd m\u1ed7i gi\u00e2y c\u1ee7a blockchain c\u00f4ng khai th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng thanh to\u00e1n t\u1eadp trung.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng (scalability):<\/strong> chu\u1ed7i c\u00e0ng d\u00e0i, d\u1eef li\u1ec7u m\u1ed7i n\u00fat ph\u1ea3i l\u01b0u c\u00e0ng l\u1edbn. \u0110\u00e2y l\u00e0 b\u00e0i to\u00e1n c\u00e1c gi\u1ea3i ph\u00e1p l\u1edbp 2 \u0111ang c\u1ed1 g\u1eafng x\u1eed l\u00fd nh\u01b0ng ch\u01b0a c\u00f3 l\u1eddi gi\u1ea3i tr\u1ecdn v\u1eb9n.<\/li>\n<li><strong>Sai s\u00f3t kh\u00f4ng th\u1ec3 ho\u00e0n t\u00e1c:<\/strong> chuy\u1ec3n nh\u1ea7m \u0111\u1ecba ch\u1ec9 ho\u1eb7c m\u1ea5t kh\u00f3a ri\u00eang t\u01b0 th\u01b0\u1eddng \u0111\u1ed3ng ngh\u0129a v\u1edbi m\u1ea5t t\u00e0i s\u1ea3n v\u0129nh vi\u1ec5n, v\u00ec kh\u00f4ng c\u00f3 t\u1ed5ng \u0111\u00e0i n\u00e0o \u0111\u1ea3o ng\u01b0\u1ee3c giao d\u1ecbch gi\u00fap b\u1ea1n.<\/li>\n<li><strong>Khung ph\u00e1p l\u00fd ch\u01b0a ho\u00e0n ch\u1ec9nh:<\/strong> quy \u0111\u1ecbnh v\u1ec1 t\u00e0i s\u1ea3n m\u00e3 h\u00f3a kh\u00e1c nhau gi\u1eefa c\u00e1c qu\u1ed1c gia v\u00e0 v\u1eabn \u0111ang thay \u0111\u1ed5i.<\/li>\n<\/ul>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong> ti\u1ec1n m\u00e3 h\u00f3a v\u00e0 c\u00e1c t\u00e0i s\u1ea3n d\u1ef1a tr\u00ean blockchain l\u00e0 t\u00e0i s\u1ea3n c\u00f3 m\u1ee9c r\u1ee7i ro cao, gi\u00e1 bi\u1ebfn \u0111\u1ed9ng r\u1ea5t m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 m\u1ea5t ph\u1ea7n l\u1edbn gi\u00e1 tr\u1ecb trong th\u1eddi gian ng\u1eafn. N\u1ed9i dung b\u00e0i vi\u1ebft ch\u1ec9 nh\u1eb1m gi\u1ea3i th\u00edch kh\u00eda c\u1ea1nh c\u00f4ng ngh\u1ec7, kh\u00f4ng ph\u1ea3i l\u1eddi khuy\u00ean \u0111\u1ea7u t\u01b0 v\u00e0 kh\u00f4ng \u0111\u01b0a ra b\u1ea5t k\u1ef3 cam k\u1ebft n\u00e0o v\u1ec1 l\u1ee3i nhu\u1eadn.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-571814\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-2.jpg\" alt=\"blockchain-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 blockchain<\/h2>\n<h3>Blockchain l\u00e0 g\u00ec?<\/h3>\n<p>Blockchain l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 n\u1ed1i ti\u1ebfp th\u00e0nh chu\u1ed7i, v\u1edbi b\u1ea3n sao \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh trong m\u1ea1ng l\u01b0\u1edbi thay v\u00ec \u0111\u1eb7t t\u1ea1i m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m.<\/p>\n<h3>M\u1ed9t block g\u1ed3m nh\u1eefng g\u00ec?<\/h3>\n<p>M\u1ed9t block th\u01b0\u1eddng g\u1ed3m ba ph\u1ea7n: d\u1eef li\u1ec7u c\u1ea7n ghi, hash c\u1ee7a ch\u00ednh kh\u1ed1i \u0111\u00f3 v\u00e0 hash c\u1ee7a kh\u1ed1i li\u1ec1n tr\u01b0\u1edbc. Ch\u00ednh hash c\u1ee7a kh\u1ed1i tr\u01b0\u1edbc l\u00e0 th\u1ee9 n\u1ed1i c\u00e1c kh\u1ed1i l\u1ea1i th\u00e0nh chu\u1ed7i.<\/p>\n<h3>V\u00ec sao d\u1eef li\u1ec7u tr\u00ean blockchain kh\u00f3 b\u1ecb s\u1eeda?<\/h3>\n<p>V\u00ec s\u1eeda m\u1ed9t kh\u1ed1i s\u1ebd l\u00e0m thay \u0111\u1ed5i hash c\u1ee7a kh\u1ed1i \u0111\u00f3, khi\u1ebfn to\u00e0n b\u1ed9 c\u00e1c kh\u1ed1i ph\u00eda sau kh\u00f4ng c\u00f2n kh\u1edbp. K\u1ebb t\u1ea5n c\u00f4ng ph\u1ea3i t\u00ednh l\u1ea1i t\u1ea5t c\u1ea3 kh\u1ed1i sau \u0111\u00f3 tr\u00ean ph\u1ea7n l\u1edbn s\u1ed1 m\u00e1y trong m\u1ea1ng, vi\u1ec7c g\u1ea7n nh\u01b0 b\u1ea5t kh\u1ea3 thi v\u1edbi m\u1ea1ng l\u01b0\u1edbi l\u1edbn.<\/p>\n<h3>Proof of Work kh\u00e1c Proof of Stake \u1edf \u0111i\u1ec3m n\u00e0o?<\/h3>\n<p>Proof of Work ch\u1ecdn ng\u01b0\u1eddi ghi kh\u1ed1i d\u1ef1a tr\u00ean s\u1ee9c t\u00ednh to\u00e1n n\u00ean ti\u00eau t\u1ed1n nhi\u1ec1u \u0111i\u1ec7n n\u0103ng. Proof of Stake ch\u1ecdn d\u1ef1a tr\u00ean l\u01b0\u1ee3ng t\u00e0i s\u1ea3n ng\u01b0\u1eddi tham gia kh\u00f3a l\u1ea1i l\u00e0m cam k\u1ebft, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h3>Blockchain c\u00f3 m\u1ea5y lo\u1ea1i?<\/h3>\n<p>C\u00f3 ba lo\u1ea1i ch\u00ednh: public blockchain m\u1edf cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, private blockchain do m\u1ed9t t\u1ed5 ch\u1ee9c ki\u1ec3m so\u00e1t, v\u00e0 consortium blockchain do m\u1ed9t nh\u00f3m t\u1ed5 ch\u1ee9c c\u00f9ng v\u1eadn h\u00e0nh.<\/p>\n<h3>Blockchain ch\u1ec9 d\u00f9ng cho ti\u1ec1n m\u00e3 h\u00f3a ph\u1ea3i kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng. Ngo\u00e0i ti\u1ec1n m\u00e3 h\u00f3a, blockchain c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng cho h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c h\u00e0ng h\u00f3a, NFT v\u00e0 l\u01b0u tr\u1eef h\u1ed3 s\u01a1 ch\u1ed1ng l\u00e0m gi\u1ea3.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>T\u00f3m l\u1ea1i, <strong>blockchain l\u00e0 c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i l\u01b0u d\u1eef li\u1ec7u ph\u00e2n t\u00e1n, minh b\u1ea1ch v\u00e0 g\u1ea7n nh\u01b0 b\u1ea5t bi\u1ebfn nh\u1edd c\u00e1ch m\u1ed7i kh\u1ed1i g\u1eafn hash c\u1ee7a kh\u1ed1i li\u1ec1n tr\u01b0\u1edbc<\/strong>. Hi\u1ec3u c\u1ea5u tr\u00fac block, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn v\u00e0 c\u00e1c lo\u1ea1i blockchain s\u1ebd gi\u00fap b\u1ea1n nh\u00ecn c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00fang b\u1ea3n ch\u1ea5t: m\u1ed9t c\u00e1ch t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u c\u00f3 \u01b0u \u0111i\u1ec3m r\u00f5 r\u00e0ng nh\u01b0ng v\u1eabn c\u00f2n h\u1ea1n ch\u1ebf v\u1ec1 t\u1ed1c \u0111\u1ed9, n\u0103ng l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u1ed3ng th\u1eddi t\u00e1ch b\u1ea1ch n\u00f3 v\u1edbi nh\u1eefng r\u1ee7i ro t\u00e0i ch\u00ednh c\u1ee7a th\u1ecb tr\u01b0\u1eddng t\u00e0i s\u1ea3n m\u00e3 h\u00f3a.<\/p>\n<p>Xem th\u00eam:<\/p>\n<ul>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nft-la-gi\/\">NFT l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u00e0i s\u1ea3n s\u1ed1<\/a><\/li>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/api-la-gi\/\">API l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i API v\u00e0 v\u00ed d\u1ee5<\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Blockchain l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Blockchain l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u theo c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 n\u1ed1i ti\u1ebfp th\u00e0nh chu\u1ed7i, v\u1edbi b\u1ea3n sao \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh trong m\u1ea1ng l\u01b0\u1edbi thay v\u00ec \u0111\u1eb7t t\u1ea1i m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m.\"}},{\"@type\":\"Question\",\"name\":\"M\u1ed9t block g\u1ed3m nh\u1eefng g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M\u1ed9t block th\u01b0\u1eddng g\u1ed3m ba ph\u1ea7n: d\u1eef li\u1ec7u c\u1ea7n ghi, hash c\u1ee7a ch\u00ednh kh\u1ed1i \u0111\u00f3 v\u00e0 hash c\u1ee7a kh\u1ed1i li\u1ec1n tr\u01b0\u1edbc. Ch\u00ednh hash c\u1ee7a kh\u1ed1i tr\u01b0\u1edbc l\u00e0 th\u1ee9 n\u1ed1i c\u00e1c kh\u1ed1i l\u1ea1i th\u00e0nh chu\u1ed7i.\"}},{\"@type\":\"Question\",\"name\":\"V\u00ec sao d\u1eef li\u1ec7u tr\u00ean blockchain kh\u00f3 b\u1ecb s\u1eeda?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V\u00ec s\u1eeda m\u1ed9t kh\u1ed1i s\u1ebd l\u00e0m thay \u0111\u1ed5i hash c\u1ee7a kh\u1ed1i \u0111\u00f3, khi\u1ebfn to\u00e0n b\u1ed9 c\u00e1c kh\u1ed1i ph\u00eda sau kh\u00f4ng c\u00f2n kh\u1edbp. K\u1ebb t\u1ea5n c\u00f4ng ph\u1ea3i t\u00ednh l\u1ea1i t\u1ea5t c\u1ea3 kh\u1ed1i sau \u0111\u00f3 tr\u00ean ph\u1ea7n l\u1edbn s\u1ed1 m\u00e1y trong m\u1ea1ng, vi\u1ec7c g\u1ea7n nh\u01b0 b\u1ea5t kh\u1ea3 thi v\u1edbi m\u1ea1ng l\u01b0\u1edbi l\u1edbn.\"}},{\"@type\":\"Question\",\"name\":\"Proof of Work kh\u00e1c Proof of Stake \u1edf \u0111i\u1ec3m n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Proof of Work ch\u1ecdn ng\u01b0\u1eddi ghi kh\u1ed1i d\u1ef1a tr\u00ean s\u1ee9c t\u00ednh to\u00e1n n\u00ean ti\u00eau t\u1ed1n nhi\u1ec1u \u0111i\u1ec7n n\u0103ng. Proof of Stake ch\u1ecdn d\u1ef1a tr\u00ean l\u01b0\u1ee3ng t\u00e0i s\u1ea3n ng\u01b0\u1eddi tham gia kh\u00f3a l\u1ea1i l\u00e0m cam k\u1ebft, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3.\"}},{\"@type\":\"Question\",\"name\":\"Blockchain c\u00f3 m\u1ea5y lo\u1ea1i?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"C\u00f3 ba lo\u1ea1i ch\u00ednh: public blockchain m\u1edf cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, private blockchain do m\u1ed9t t\u1ed5 ch\u1ee9c ki\u1ec3m so\u00e1t, v\u00e0 consortium blockchain do m\u1ed9t nh\u00f3m t\u1ed5 ch\u1ee9c c\u00f9ng v\u1eadn h\u00e0nh.\"}},{\"@type\":\"Question\",\"name\":\"Blockchain ch\u1ec9 d\u00f9ng cho ti\u1ec1n m\u00e3 h\u00f3a ph\u1ea3i kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Kh\u00f4ng. Ngo\u00e0i ti\u1ec1n m\u00e3 h\u00f3a, blockchain c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng cho h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c h\u00e0ng h\u00f3a, NFT v\u00e0 l\u01b0u tr\u1eef h\u1ed3 s\u01a1 ch\u1ed1ng l\u00e0m gi\u1ea3.\"}}]}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blockchain (chu\u1ed7i kh\u1ed1i) l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng c\u00e1c kh\u1ed1i (block) \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 n\u1ed1i ti\u1ebfp nhau th\u00e0nh chu\u1ed7i, \u0111\u1ed3ng th\u1eddi sao l\u01b0u tr\u00ean r\u1ea5t nhi\u1ec1u m\u00e1y t\u00ednh trong m\u1ea1ng l\u01b0\u1edbi thay v\u00ec m\u1ed9t m\u00e1y ch\u1ee7 trung t\u00e2m. Nh\u1edd c\u00e1ch t\u1ed5 ch\u1ee9c n\u00e0y, d\u1eef li\u1ec7u \u0111\u00e3 ghi v\u00e0o blockchain r\u1ea5t [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":571815,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"blockchain l\u00e0 g\u00ec","_yoast_wpseo_title":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng","_yoast_wpseo_metadesc":"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.","footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-571810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng<\/title>\n<meta name=\"description\" content=\"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng\" \/>\n<meta property=\"og:description\" content=\"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-29T03:30:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n Xu\u00e2n Thi\u00ean\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n Xu\u00e2n Thi\u00ean\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/\"},\"author\":{\"name\":\"Nguy\u1ec5n Xu\u00e2n Thi\u00ean\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/person\\\/82f19cb5a6fb9de82c288acacfe400c5\"},\"headline\":\"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng\",\"datePublished\":\"2026-07-29T03:30:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/\"},\"wordCount\":3144,\"publisher\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/blockchain-la-gi.jpg\",\"articleSection\":[\"G\u00f3c t\u00f2 m\u00f2\",\"Kh\u00e1m Ph\u00e1\"],\"inLanguage\":\"vi\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/\",\"name\":\"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/blockchain-la-gi.jpg\",\"datePublished\":\"2026-07-29T03:30:26+00:00\",\"description\":\"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/blockchain-la-gi.jpg\",\"contentUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/blockchain-la-gi.jpg\",\"width\":1200,\"height\":628,\"caption\":\"blockchain-la-gi\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/blockchain-la-gi\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#website\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\",\"name\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\",\"name\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/logo-text.png\",\"contentUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/logo-text.png\",\"width\":256,\"height\":37,\"caption\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/hoanghamobilecom\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/person\\\/82f19cb5a6fb9de82c288acacfe400c5\",\"name\":\"Nguy\u1ec5n Xu\u00e2n Thi\u00ean\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g\",\"caption\":\"Nguy\u1ec5n Xu\u00e2n Thi\u00ean\"},\"description\":\"Ch\u00e0o c\u00e1c b\u1ea1n, m\u00ecnh l\u00e0 Xu\u00e2n Thi\u00ean. Trong k\u1ef7 nguy\u00ean s\u1ed1 thay \u0111\u1ed5i t\u1eebng gi\u1edd, m\u00ecnh \u1edf \u0111\u00e2y \u0111\u1ec3 c\u00f9ng b\u1ea1n c\u1eadp nh\u1eadt v\u00e0 ph\u00e2n t\u00edch nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng m\u1edbi nh\u1ea5t c\u1ee7a th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7. B\u1eb1ng s\u1ef1 am hi\u1ec3u v\u1ec1 h\u1ec7 sinh th\u00e1i c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 hi\u1ec7n nay, m\u00ecnh cam k\u1ebft mang \u0111\u1ebfn cho b\u1ea1n nh\u1eefng g\u00f3c nh\u00ecn tr\u1ef1c quan, h\u1ed7 tr\u1ee3 b\u1ea1n l\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7 m\u1ed9t c\u00e1ch th\u00f4ng minh nh\u1ea5t.\",\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/hoanghamobilecom\"],\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/author\\\/nguyen-xuan-thien\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng","description":"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng","og_description":"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.","og_url":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/","og_site_name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","article_publisher":"https:\/\/www.facebook.com\/hoanghamobilecom","article_author":"https:\/\/www.facebook.com\/hoanghamobilecom","article_published_time":"2026-07-29T03:30:26+00:00","og_image":[{"width":1200,"height":628,"url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg","type":"image\/jpeg"}],"author":"Nguy\u1ec5n Xu\u00e2n Thi\u00ean","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Nguy\u1ec5n Xu\u00e2n Thi\u00ean","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"5 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#article","isPartOf":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/"},"author":{"name":"Nguy\u1ec5n Xu\u00e2n Thi\u00ean","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/person\/82f19cb5a6fb9de82c288acacfe400c5"},"headline":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng","datePublished":"2026-07-29T03:30:26+00:00","mainEntityOfPage":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/"},"wordCount":3144,"publisher":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg","articleSection":["G\u00f3c t\u00f2 m\u00f2","Kh\u00e1m Ph\u00e1"],"inLanguage":"vi","copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"}},{"@type":"WebPage","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/","url":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/","name":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng","isPartOf":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#website"},"primaryImageOfPage":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg","datePublished":"2026-07-29T03:30:26+00:00","description":"Blockchain l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac block, hash, c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn Proof of Work v\u00e0 Proof of Stake, c\u00e1c lo\u1ea1i blockchain, \u1ee9ng d\u1ee5ng v\u00e0 h\u1ea1n ch\u1ebf.","breadcrumb":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#primaryimage","url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg","contentUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/blockchain-la-gi.jpg","width":1200,"height":628,"caption":"blockchain-la-gi"},{"@type":"BreadcrumbList","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/blockchain-la-gi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Trang ch\u1ee7","item":"https:\/\/hoanghamobile.com\/tin-tuc\/"},{"@type":"ListItem","position":2,"name":"Blockchain l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng"}]},{"@type":"WebSite","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#website","url":"https:\/\/hoanghamobile.com\/tin-tuc\/","name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","description":"","publisher":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/hoanghamobile.com\/tin-tuc\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization","name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","url":"https:\/\/hoanghamobile.com\/tin-tuc\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/logo\/image\/","url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2021\/12\/logo-text.png","contentUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2021\/12\/logo-text.png","width":256,"height":37,"caption":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/hoanghamobilecom"]},{"@type":"Person","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/person\/82f19cb5a6fb9de82c288acacfe400c5","name":"Nguy\u1ec5n Xu\u00e2n Thi\u00ean","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/52d65c108a45fcdcbf240a10a167941932bf79e5b7a622f78ab464220ab80cef?s=96&d=mm&r=g","caption":"Nguy\u1ec5n Xu\u00e2n Thi\u00ean"},"description":"Ch\u00e0o c\u00e1c b\u1ea1n, m\u00ecnh l\u00e0 Xu\u00e2n Thi\u00ean. Trong k\u1ef7 nguy\u00ean s\u1ed1 thay \u0111\u1ed5i t\u1eebng gi\u1edd, m\u00ecnh \u1edf \u0111\u00e2y \u0111\u1ec3 c\u00f9ng b\u1ea1n c\u1eadp nh\u1eadt v\u00e0 ph\u00e2n t\u00edch nh\u1eefng chuy\u1ec3n \u0111\u1ed9ng m\u1edbi nh\u1ea5t c\u1ee7a th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7. B\u1eb1ng s\u1ef1 am hi\u1ec3u v\u1ec1 h\u1ec7 sinh th\u00e1i c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 hi\u1ec7n nay, m\u00ecnh cam k\u1ebft mang \u0111\u1ebfn cho b\u1ea1n nh\u1eefng g\u00f3c nh\u00ecn tr\u1ef1c quan, h\u1ed7 tr\u1ee3 b\u1ea1n l\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7 m\u1ed9t c\u00e1ch th\u00f4ng minh nh\u1ea5t.","sameAs":["https:\/\/www.facebook.com\/hoanghamobilecom"],"url":"https:\/\/hoanghamobile.com\/tin-tuc\/author\/nguyen-xuan-thien\/"}]}},"_links":{"self":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/571810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/users\/102"}],"replies":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/comments?post=571810"}],"version-history":[{"count":2,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/571810\/revisions"}],"predecessor-version":[{"id":572058,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/571810\/revisions\/572058"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/media\/571815"}],"wp:attachment":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/media?parent=571810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/categories?post=571810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/tags?post=571810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}