{"id":5983,"date":"2021-03-18T11:19:57","date_gmt":"2021-03-18T04:19:57","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=5983"},"modified":"2021-03-18T11:19:57","modified_gmt":"2021-03-18T04:19:57","slug":"cong-nghe-blockchain-van-hanh-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/cong-nghe-blockchain-van-hanh-nhu-the-nao\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 Blockchain v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"<p class=\"c12\"><span class=\"c25\">G\u1ea7n nh\u01b0 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u \u0111\u00e3 nghe n\u00f3i v\u1ec1 Blockchain v\u00e0 n\u00f3 th\u1eadt l\u00e0 tuy\u1ec7t. Nh\u01b0ng kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o. B\u00e0i vi\u1ebft s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n nh\u1eefng th\u1ee9 c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 Blockchain, t\u1ea5t t\u1ea7n t\u1eadt v\u1ec1 c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i n\u00e0y, ch\u1eafc ch\u1eafn kh\u00f4ng ph\u1ea3i l\u00e0 g\u00ec \u0111\u00f3 qu\u00e1 kh\u00f3 hi\u1ec3u nh\u01b0 ma thu\u1eadt.<\/span><\/p>\n<p><!--more--><\/p>\n<h2 class=\"c12\"><strong><span class=\"c20\">Blockchain l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c12\"><span class=\"c25\">Blockchain l\u00e0 m\u1ed9t cu\u1ed1n nh\u1eadt k\u00fd g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 gi\u1ea3 m\u1ea1o.<\/span><\/p>\n<h2 class=\"c12\"><strong><span class=\"c20\">H\u00e0m b\u0103m (Hash Function)<\/span><\/strong><\/h2>\n<p class=\"c27\"><span class=\"c25\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng r\u1eb1ng 10 ng\u01b0\u1eddi trong m\u1ed9t ph\u00f2ng quy\u1ebft \u0111\u1ecbnh t\u1ea1o ra m\u1ed9t lo\u1ea1i ti\u1ec1n t\u1ec7 ri\u00eang bi\u1ec7t. H\u1ecd ph\u1ea3i tu\u00e2n theo d\u00f2ng ti\u1ec1n v\u00e0 m\u1ed9t ng\u01b0\u1eddi &#8211; h\u00e3y g\u1ecdi anh ta l\u00e0 Bob &#8211; \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh ghi l\u1ea1i danh s\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c h\u00e0nh \u0111\u1ed9ng trong nh\u1eadt k\u00fd:<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/eNQqLk0f96pLt6Q9YMkbD4iNFdv__5ZkWYVfCzzTptPpJjHrIczjuME60OVxEmzaOiIoYsmR9ZREkj-CJXYn7EAhL3a2sACbwSYxYyY-aQ3pVTrRptWyKRRaCkAf3_gzS3uGnYyh\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c2\"><span class=\"c1\">M\u1ed9t ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng kh\u00e1c &#8211; h\u00e3y g\u1ecdi anh ta l\u00e0 Jack &#8211; \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh \u0103n c\u1eafp ti\u1ec1n. \u0110\u1ec3 \u1ea9n \u0111i\u1ec1u n\u00e0y, anh \u1ea5y \u0111\u00e3 thay \u0111\u1ed5i c\u00e1c m\u1ee5c nh\u1eadp trong nh\u1eadt k\u00fd.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/hYuiyNBtXcaF5YpeP8UXv9rh-35jhRXGegFfZBhGqXU8z5-kJzgBKrCfkJBv0JDUra-XteeHfAaJ1lyomNrXi9SBS9-BWl7pLuO48WDWpF0o_izwes-L0P8TA-148GHh9H4ru-c-\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">Bob nh\u1eadn th\u1ea5y r\u1eb1ng ai \u0111\u00f3 \u0111\u00e3 can thi\u1ec7p v\u00e0o nh\u1eadt k\u00fd c\u1ee7a m\u00ecnh. Anh \u1ea5y quy\u1ebft \u0111\u1ecbnh ng\u0103n \u0111i\u1ec1u n\u00e0y x\u1ea3y ra.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Anh \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh g\u1ecdi l\u00e0 h\u00e0m B\u0103m (Hash) c\u00f3 th\u1ec3 bi\u1ebfn v\u0103n b\u1ea3n th\u00e0nh m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 v\u00e0 ch\u1eef c\u00e1i nh\u01b0 trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/hoYjt-svhv_WVWdvvZH3D3EMG1Rpsmp3zfToAS7OlZ_wCv3hTAES6hKua4bn6c8ioOa9qKFe4mfYrfDyN77gacMoqXlxEynVpFFX_3qK0YbI79sAjX_NQUfyNH0NU3rBBB7-BO_v\" alt=\"Bitcoin Hash\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">H\u00e0m b\u0103m l\u00e0 m\u1ed9t chu\u1ed7i s\u1ed1 v\u00e0 k\u00fd t\u1ef1, \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c h\u00e0m b\u0103m. H\u00e0m b\u0103m l\u00e0 m\u1ed9t h\u00e0m to\u00e1n h\u1ecdc nh\u1eadn m\u1ed9t s\u1ed1 k\u00fd t\u1ef1 thay \u0111\u1ed5i v\u00e0 chuy\u1ec3n n\u00f3 th\u00e0nh m\u1ed9t chu\u1ed7i v\u1edbi m\u1ed9t s\u1ed1 k\u00fd t\u1ef1 c\u1ed1 \u0111\u1ecbnh. Ngay c\u1ea3 m\u1ed9t thay \u0111\u1ed5i nh\u1ecf trong m\u1ed9t chu\u1ed7i c\u0169ng t\u1ea1o ra m\u1ed9t h\u00e0m b\u0103m ho\u00e0n to\u00e0n m\u1edbi.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Sau m\u1ed7i b\u1ea3n ghi, anh ta ch\u00e8n m\u1ed9t h\u00e0m b\u0103m. Nh\u1eadt k\u00fd m\u1edbi tr\u00f4ng nh\u01b0 sau:<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/jV3mlHb60Fztucpj6zM3EfJAiA9FPGt4tCWGrxvmG2g-jpkgaMMJbAlMyRVLHUefKh87t9bNb6VIRaab2JX_4wl-pAHzCubO_Nxp2jFNBB2tKe1tuKn54GZUDYnCu2wylK2mkw89\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c2\"><span class=\"c1\">Jack quy\u1ebft \u0111\u1ecbnh thay \u0111\u1ed5i m\u1ee5c nh\u1eadp m\u1ed9t l\u1ea7n n\u1eefa. V\u00e0o ban \u0111\u00eam, anh \u1ea5y ph\u1ea3i xem nh\u1eadt k\u00fd, thay \u0111\u1ed5i b\u1ea3n ghi v\u00e0 t\u1ea1o m\u1ed9t h\u00e0m b\u0103m m\u1edbi.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/7-OkJmGda33N3und3JDvUEIGzLn9cT6UIsejB5DmJFXkFLwPUSeB8_Hx_B41gPoMpznqvWBBRjsNnq2GmVmdMMCJBdl8vF1_g5K72KZg39L3PLPu8ueYKSAPPQDzXp6peut3MJlX\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c2\"><span class=\"c1\">Bob nh\u1eadn th\u1ea5y ai \u0111\u00f3 \u0111\u00e3 xem l\u1ea1i cu\u1ed1n nh\u1eadt k\u00fd. Anh ta quy\u1ebft \u0111\u1ecbnh ph\u1ee9c t\u1ea1p h\u00f3a h\u1ed3 s\u01a1 c\u1ee7a m\u1ed7i giao d\u1ecbch. Sau m\u1ed7i b\u1ea3n ghi, anh ta ch\u00e8n m\u1ed9t h\u00e0m b\u0103m \u0111\u01b0\u1ee3c t\u1ea1o t\u1eeb b\u1ea3n ghi + h\u00e0m b\u0103m cu\u1ed1i c\u00f9ng. V\u00ec v\u1eady, m\u1ed7i l\u1ea7n nh\u1eadp m\u1edbi s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ea7n nh\u1eadp tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/NRIq1kXMTGr-pFmKhJf-tnLzp8DxlcjrftKPzFTU2jgfkuBNxGcSxPS76kwKBsYp7KHbttMKKX-FXzJ-IU1cQhvPXMLMv0GyLVcrptGEpD866MZO40Gj1SQ-zQR_pMDAOihbM8Pi\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">N\u1ebfu Jack c\u1ed1 g\u1eafng thay \u0111\u1ed5i b\u1ea3n ghi, anh ta s\u1ebd ph\u1ea3i thay \u0111\u1ed5i h\u00e0m b\u0103m trong t\u1ea5t c\u1ea3 c\u00e1c m\u1ee5c tr\u01b0\u1edbc \u0111\u00f3. Nh\u01b0ng Jack th\u1ef1c s\u1ef1 mu\u1ed1n nhi\u1ec1u ti\u1ec1n h\u01a1n, v\u00e0 anh \u1ea5y \u0111\u00e3 d\u00e0nh c\u1ea3 \u0111\u00eam \u0111\u1ec3 \u0111\u1ebfm t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 b\u0103m.<\/span><\/p>\n<h2 class=\"c8\"><strong><span class=\"c10\">Nonce<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Nh\u01b0ng Bob kh\u00f4ng mu\u1ed1n b\u1ecf cu\u1ed9c. Anh \u1ea5y quy\u1ebft \u0111\u1ecbnh th\u00eam m\u1ed9t s\u1ed1 sau m\u1ed7i b\u1ea3n ghi. S\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;Nonce&#8221;. Nonce n\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 b\u0103m \u0111\u01b0\u1ee3c t\u1ea1o k\u1ebft th\u00fac b\u1eb1ng hai s\u1ed1 kh\u00f4ng.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/5wneL-QMX2O5tNnHwzLjHB65-pN3Zuy2ZDv1talYdjFt1zVfZmrImg6JsVYxwUnHohIX-Ca9su9PzRseQc3GziC-RLuz-Ws58_y8KxCxk1iwlb5FfuzTC1EPojzCMfuOfXkKN_VJ\" alt=\"Blockchain technology explained\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">B\u00e2y gi\u1edd, \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ea3n ghi, Jack s\u1ebd ph\u1ea3i d\u00e0nh h\u00e0ng gi\u1edd \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 ch\u1ecdn Nonce cho m\u1ed7i d\u00f2ng.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">Quan tr\u1ecdng h\u01a1n, kh\u00f4ng ch\u1ec9 con ng\u01b0\u1eddi m\u00e0 c\u1ea3 m\u00e1y t\u00ednh c\u0169ng kh\u00f4ng th\u1ec3 nhanh ch\u00f3ng t\u00ecm ra Nonce.<\/span><\/p>\n<h2 class=\"c8\"><strong><span class=\"c10\">C\u00e1c N\u00fat (Node)<\/span><\/strong><\/h2>\n<p class=\"c8\"><span class=\"c1\">Sau \u0111\u00f3, Bob nh\u1eadn ra r\u1eb1ng c\u00f3 qu\u00e1 nhi\u1ec1u h\u1ed3 s\u01a1 v\u00e0 anh \u1ea5y kh\u00f4ng th\u1ec3 gi\u1eef cu\u1ed1n nh\u1eadt k\u00fd nh\u01b0 th\u1ebf n\u00e0y m\u00e3i \u0111\u01b0\u1ee3c. V\u00ec v\u1eady, khi anh \u1ea5y vi\u1ebft 5.000 giao d\u1ecbch, anh \u1ea5y \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh m\u1ed9t b\u1ea3ng t\u00ednh m\u1ed9t trang. Mary \u0111\u00e3 ki\u1ec3m tra xem t\u1ea5t c\u1ea3 c\u00e1c giao d\u1ecbch \u0111\u1ec1u \u0111\u00fang.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">Bob \u0111\u00e3 l\u01b0u truy\u1ec1n nh\u1eadt k\u00fd b\u1ea3ng t\u00ednh c\u1ee7a m\u00ecnh tr\u00ean 5.000 m\u00e1y t\u00ednh \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. C\u00e1c m\u00e1y t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c n\u00fat. M\u1ed7i khi m\u1ed9t giao d\u1ecbch x\u1ea3y ra, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn b\u1edfi c\u00e1c n\u00fat, m\u1ed7i ng\u01b0\u1eddi trong s\u1ed1 h\u1ecd s\u1ebd ki\u1ec3m tra t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a n\u00f3. Khi m\u1ecdi n\u00fat \u0111\u00e3 ki\u1ec3m tra m\u1ed9t giao d\u1ecbch, s\u1ebd c\u00f3 m\u1ed9t lo\u1ea1i bi\u1ec3u quy\u1ebft \u0111i\u1ec7n t\u1eed, v\u00ec m\u1ed9t s\u1ed1 n\u00fat c\u00f3 th\u1ec3 ngh\u0129 r\u1eb1ng giao d\u1ecbch \u0111\u00f3 l\u00e0 h\u1ee3p l\u1ec7 v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c cho r\u1eb1ng \u0111\u00f3 l\u00e0 m\u1ed9t gian l\u1eadn.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">C\u00e1c n\u00fat \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean l\u00e0 m\u00e1y t\u00ednh. M\u1ed7i n\u00fat c\u00f3 m\u1ed9t b\u1ea3n sao c\u1ee7a s\u1ed5 c\u00e1i k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c Blockchain. M\u1ed7i n\u00fat ki\u1ec3m tra t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a t\u1eebng giao d\u1ecbch. N\u1ebfu ph\u1ea7n l\u1edbn c\u00e1c n\u00fat n\u00f3i r\u1eb1ng m\u1ed9t giao d\u1ecbch l\u00e0 h\u1ee3p l\u1ec7 th\u00ec n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ghi v\u00e0o m\u1ed9t kh\u1ed1i.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">B\u00e2y gi\u1edd, n\u1ebfu Jack thay \u0111\u1ed5i m\u1ed9t m\u1ee5c nh\u1eadp, t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh kh\u00e1c s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb b\u0103m ban \u0111\u1ea7u. H\u1ecd s\u1ebd kh\u00f4ng cho ph\u00e9p thay \u0111\u1ed5i x\u1ea3y ra.<\/span><\/p>\n<h2 class=\"c8\"><strong><span class=\"c10\">Kh\u1ed1i (Block) l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c8\"><span class=\"c1\">M\u1ed7i b\u1ea3ng t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t kh\u1ed1i. To\u00e0n b\u1ed9 h\u1ecd c\u00e1c kh\u1ed1i t\u1ea1i th\u00e0nh Chu\u1ed7i Kh\u1ed1i ( Blockchain). M\u1ed7i n\u00fat \u0111\u1ec1u c\u00f3 m\u1ed9t b\u1ea3n sao c\u1ee7a Blockchain. Khi m\u1ed9t kh\u1ed1i \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn nh\u1ea5t \u0111\u1ecbnh th\u00ec m\u1ed9t kh\u1ed1i m\u1edbi s\u1ebd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">Blockchain t\u1ef1 c\u1eadp nh\u1eadt m\u01b0\u1eddi ph\u00fat m\u1ed9t l\u1ea7n. N\u00f3 t\u1ef1 \u0111\u1ed9ng l\u00e0m nh\u01b0 v\u1eady. Kh\u00f4ng c\u00f3 m\u00e1y t\u00ednh ch\u1ee7 ho\u1eb7c m\u00e1y t\u00ednh trung t\u00e2m n\u00e0o h\u01b0\u1edbng d\u1eabn m\u00e1y t\u00ednh l\u00e0m vi\u1ec7c n\u00e0y.<\/span><\/p>\n<p class=\"c2\"><span class=\"c22\">Ngay sau khi b\u1ea3ng t\u00ednh ho\u1eb7c s\u1ed5 c\u00e1i ho\u1eb7c s\u1ed5 \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, n\u00f3 s\u1ebd kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c n\u1eefa. V\u00ec v\u1eady, kh\u00f4ng th\u1ec3 gi\u1ea3 m\u1ea1o n\u00f3. B\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 th\u00eam c\u00e1c m\u1ee5c m\u1edbi v\u00e0o n\u00f3. S\u1ed5 \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y t\u00ednh trong m\u1ea1ng c\u00f9ng m\u1ed9t l\u00fac<\/span><span class=\"c26\">.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">Nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng:<\/span><\/strong><\/h2>\n<ul class=\"c11 lst-kix_lk7w81va9fmh-0 start\">\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Blockchain l\u00e0 m\u1ed9t lo\u1ea1i nh\u1eadt k\u00fd ho\u1eb7c b\u1ea3ng t\u00ednh ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c giao d\u1ecbch.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ed7i giao d\u1ecbch t\u1ea1o ra m\u1ed9t h\u00e0m b\u0103m.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">H\u00e0m b\u0103m l\u00e0 m\u1ed9t chu\u1ed7i bao g\u1ed3m s\u1ed1 v\u00e0 ch\u1eef c\u00e1i.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c giao d\u1ecbch \u0111\u01b0\u1ee3c nh\u1eadp theo th\u1ee9 t\u1ef1 m\u00e0 ch\u00fang \u0111\u00e3 x\u1ea3y ra. Th\u1ee9 t\u1ef1 l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">H\u00e0m b\u0103m kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o giao d\u1ecbch m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o h\u00e0m b\u0103m c\u1ee7a giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Ngay c\u1ea3 m\u1ed9t thay \u0111\u1ed5i nh\u1ecf trong giao d\u1ecbch c\u0169ng t\u1ea1o ra m\u1ed9t h\u00e0m b\u0103m ho\u00e0n to\u00e0n m\u1edbi.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c n\u00fat ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao d\u1ecbch kh\u00f4ng b\u1ecb thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch ki\u1ec3m tra h\u00e0m b\u0103m.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">N\u1ebfu m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn b\u1edfi \u0111a s\u1ed1 c\u00e1c n\u00fat th\u00ec n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ghi th\u00e0nh m\u1ed9t kh\u1ed1i.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ed7i kh\u1ed1i li\u00ean k\u1ebft v\u1edbi kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 c\u00f9ng nhau t\u1ea1o n\u00ean Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ed9t Blockchain c\u00f3 hi\u1ec7u qu\u1ea3 v\u00ec n\u00f3 \u0111\u01b0\u1ee3c tr\u1ea3i r\u1ed9ng tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh, m\u1ed7i m\u00e1y t\u00ednh \u0111\u1ec1u c\u00f3 m\u1ed9t b\u1ea3n sao c\u1ee7a Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c m\u00e1y t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c n\u00fat.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Blockchain t\u1ef1 c\u1eadp nh\u1eadt 10 ph\u00fat m\u1ed9t l\u1ea7n.<\/span><\/li>\n<\/ul>\n<h2 class=\"c2\"><strong><span class=\"c10\">V\u00ed, ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eed, giao th\u1ee9c<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Bob t\u1eadp h\u1ee3p 10 ng\u01b0\u1eddi l\u1ea1i v\u1edbi nhau. Anh \u1ea5y c\u1ea7n gi\u1ea3i th\u00edch v\u1ec1 \u0111\u1ed3ng ti\u1ec1n m\u1edbi cho h\u1ecd.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Jack \u0111\u00e3 th\u00fa nh\u1eadn t\u1ed9i l\u1ed7i c\u1ee7a m\u00ecnh v\u1edbi nh\u00f3m v\u00e0 xin l\u1ed7i s\u00e2u s\u1eafc. \u0110\u1ec3 ch\u1ee9ng minh s\u1ef1 ch\u00e2n th\u00e0nh c\u1ee7a m\u00ecnh, anh \u0111\u00e3 tr\u1ea3 l\u1ea1i cho Ann v\u00e0 Mary s\u1ed1 ti\u1ec1n c\u1ee7a h\u1ecd.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">V\u1edbi t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp, Bob gi\u1ea3i th\u00edch t\u1ea1i sao \u0111i\u1ec1u n\u00e0y kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 x\u1ea3y ra n\u1eefa. Anh \u1ea5y quy\u1ebft \u0111\u1ecbnh tri\u1ec3n khai m\u1ed9t th\u1ee9 g\u1ecdi l\u00e0 ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eed \u0111\u1ec3 x\u00e1c nh\u1eadn m\u1ecdi giao d\u1ecbch. Nh\u01b0ng tr\u01b0\u1edbc ti\u00ean, anh \u1ea5y \u0111\u01b0a cho m\u1ecdi ng\u01b0\u1eddi m\u1ed9t chi\u1ebfc v\u00ed.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">V\u00ed l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">V\u00ed l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c s\u1ed1 v\u00e0 ch\u1eef c\u00e1i, ch\u1eb3ng h\u1ea1n nh\u01b0 18c177926650e5550973303c300e136f22673b74. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 s\u1ebd xu\u1ea5t hi\u1ec7n trong c\u00e1c kh\u1ed1i kh\u00e1c nhau trong Blockchain khi c\u00e1c giao d\u1ecbch di\u1ec5n ra. Kh\u00f4ng c\u00f3 h\u1ed3 s\u01a1 hi\u1ec3n th\u1ecb v\u1ec1 ai \u0111\u00e3 th\u1ef1c hi\u1ec7n giao d\u1ecbch v\u1edbi ai, ch\u1ec9 c\u00f3 s\u1ed1 l\u01b0\u1ee3ng v\u00ed. \u0110\u1ecba ch\u1ec9 c\u1ee7a t\u1eebng v\u00ed c\u1ee5 th\u1ec3 c\u0169ng l\u00e0 m\u1ed9t <a href=\"https:\/\/news.bitcoinvn.io\/khoa-cong-khai-public-key-la-gi\/\">kh\u00f3a c\u00f4ng khai (Public key)<\/a>.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">Ch\u1eef k\u00fd s\u1ed1<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">\u0110\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t giao d\u1ecbch, b\u1ea1n c\u1ea7n hai th\u1ee9: v\u00ed, v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 \u0111\u1ecba ch\u1ec9, v\u00e0 kh\u00f3a ri\u00eang (private key). Kh\u00f3a ri\u00eang t\u01b0 l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c s\u1ed1 ng\u1eabu nhi\u00ean, nh\u01b0ng kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ecba ch\u1ec9, kh\u00f3a ri\u00eang ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Khi ai \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh g\u1eedi ti\u1ec1n cho b\u1ea5t k\u1ef3 ai kh\u00e1c, h\u1ecd ph\u1ea3i k\u00fd v\u00e0o tin nh\u1eafn ch\u1ee9a giao d\u1ecbch b\u1eb1ng kh\u00f3a c\u00e1 nh\u00e2n c\u1ee7a h\u1ecd. H\u1ec7 th\u1ed1ng hai kh\u00f3a l\u00e0 trung t\u00e2m c\u1ee7a m\u00e3 h\u00f3a v\u00e0 m\u1eadt m\u00e3, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 t\u1eeb l\u00e2u \u0111\u00e3 c\u00f3 t\u1eeb tr\u01b0\u1edbc s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a Blockchain. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o nh\u1eefng n\u0103m 1970.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Sau khi tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1eedi \u0111i, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t t\u1edbi m\u1ea1ng Blockchain. Sau \u0111\u00f3, m\u1ea1ng l\u01b0\u1edbi c\u00e1c n\u00fat ho\u1ea1t \u0111\u1ed9ng tr\u00ean th\u00f4ng b\u00e1o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng giao d\u1ecbch m\u00e0 n\u00f3 ch\u1ee9a l\u00e0 h\u1ee3p l\u1ec7. N\u1ebfu n\u00f3 x\u00e1c nh\u1eadn t\u00ednh h\u1ee3p l\u1ec7, giao d\u1ecbch \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t kh\u1ed1i v\u00e0 sau \u0111\u00f3 kh\u00f4ng c\u00f3 th\u00f4ng tin n\u00e0o v\u1ec1 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c n\u1eefa.<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/f2WOjf08WmCp_5M2-JihLilRIcEebV2KJTpzmxViKmHpyM2936JQC0fdwZE7w-7LYc4yZ1-Ml62CrhTzNmJZjbUA9OdPQ1W9HIW2V3tpb2J6KjGC6yEbtL2xwSSzKnOCpuAFIVLR\" alt=\"Digital signature explained\" \/><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">Kh\u00f3a m\u1eadt m\u00e3 l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Kh\u00f3a m\u1eadt m\u00e3 l\u00e0 m\u1ed9t chu\u1ed7i s\u1ed1 v\u00e0 ch\u1eef c\u00e1i. C\u00e1c kh\u00f3a m\u1eadt m\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c tr\u00ecnh t\u1ea1o kh\u00f3a. C\u00e1c keygens n\u00e0y s\u1eed d\u1ee5ng to\u00e1n h\u1ecdc r\u1ea5t ti\u00ean ti\u1ebfn li\u00ean quan \u0111\u1ebfn c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u1ea1o ra c\u00e1c key.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">C\u00e1c giao th\u1ee9c (Protocols)<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Blockchain bao g\u1ed3m c\u00e1c \u0111\u1eb7c t\u1ea3 h\u00e0nh vi ri\u00eang l\u1ebb, m\u1ed9t t\u1eadp h\u1ee3p l\u1edbn c\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh trong \u0111\u00f3. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 giao th\u1ee9c. Vi\u1ec7c tri\u1ec3n khai c\u00e1c giao th\u1ee9c c\u1ee5 th\u1ec3 v\u1ec1 c\u01a1 b\u1ea3n \u0111\u00e3 t\u1ea1o n\u00ean Blockchain &#8211; m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng tin ph\u00e2n t\u00e1n, ngang h\u00e0ng v\u00e0 b\u1ea3o m\u1eadt.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">C\u00e1c giao th\u1ee9c Blockchain \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ea1ng ch\u1ea1y theo c\u00e1ch m\u00e0 ng\u01b0\u1eddi t\u1ea1o ra n\u00f3 d\u1ef1 \u0111\u1ecbnh, m\u1eb7c d\u00f9 n\u00f3 ho\u00e0n to\u00e0n t\u1ef1 tr\u1ecb v\u00e0 kh\u00f4ng b\u1ecb ki\u1ec3m so\u00e1t b\u1edfi b\u1ea5t k\u1ef3 ai. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1c giao th\u1ee9c \u0111\u01b0\u1ee3c tri\u1ec3n khai trong Blockchain:<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Th\u00f4ng tin \u0111\u1ea7u v\u00e0o cho m\u1ecdi s\u1ed1 b\u0103m ph\u1ea3i bao g\u1ed3m s\u1ed1 b\u0103m c\u1ee7a kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Ph\u1ea7n th\u01b0\u1edfng cho vi\u1ec7c khai th\u00e1c th\u00e0nh c\u00f4ng m\u1ed9t kh\u1ed1i gi\u1ea3m m\u1ed9t n\u1eeda sau m\u1ed7i 210.000 kh\u1ed1i \u0111\u01b0\u1ee3c ni\u00eam phong.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">\u0110\u1ec3 gi\u1eef kho\u1ea3ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 khai th\u00e1c m\u1ed9t kh\u1ed1i l\u00e0 kho\u1ea3ng 10 ph\u00fat, \u0111\u1ed9 kh\u00f3 khai th\u00e1c s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i sau m\u1ed7i 2.016 kh\u1ed1i.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">B\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Vi\u1ec7c \u0111\u1eb7t giao d\u1ecbch v\u00e0o trong m\u1ed9t kh\u1ed1i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u1ebft th\u00fac th\u00e0nh c\u00f4ng \u0111\u1ed1i v\u1edbi th\u1eed th\u00e1ch b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c n\u00fat \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ee3 \u0111\u00e0o.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\"><a href=\"https:\/\/news.bitcoinvn.io\/proof-of-work-la-gi\/\">Proof of Work<\/a> l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u m\u1ed9t s\u1ed1 c\u00f4ng vi\u1ec7c t\u1eeb ng\u01b0\u1eddi y\u00eau c\u1ea7u d\u1ecbch v\u1ee5, th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 th\u1eddi gian x\u1eed l\u00fd b\u1edfi m\u00e1y t\u00ednh. T\u1ea1o b\u1eb1ng ch\u1ee9ng c\u00f4ng vi\u1ec7c l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ng\u1eabu nhi\u00ean v\u1edbi x\u00e1c su\u1ea5t th\u1ea5p, do \u0111\u00f3, th\u00f4ng th\u01b0\u1eddng c\u1ea7n r\u1ea5t nhi\u1ec1u l\u1ea7n th\u1eed v\u00e0 sai \u0111\u1ec3 t\u1ea1o ra b\u1eb1ng ch\u1ee9ng h\u1ee3p l\u1ec7 v\u1ec1 c\u00f4ng vi\u1ec7c. Khi n\u00f3i \u0111\u1ebfn Bitcoin, hash l\u00e0 th\u1ee9 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00f4ng vi\u1ec7c.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">Khai th\u00e1c coin &#8211; \u0110\u00e0o coin l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">C\u00e1c th\u1ee3 \u0111\u00e0o tr\u00ean Blockchain l\u00e0 c\u00e1c n\u00fat t\u1ea1o ra c\u00e1c kh\u1ed1i b\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee7a b\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00f4ng vi\u1ec7c. N\u1ebfu ng\u01b0\u1eddi khai th\u00e1c t\u1ea1o ra m\u1ed9t kh\u1ed1i \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn b\u1edfi s\u1ef1 \u0111\u1ed3ng thu\u1eadn \u0111i\u1ec7n t\u1eed c\u1ee7a c\u00e1c n\u00fat th\u00ec ng\u01b0\u1eddi \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c th\u01b0\u1edfng b\u1eb1ng token. K\u1ec3 t\u1eeb th\u00e1ng 10 n\u0103m 2017, c\u00e1c <a href=\"https:\/\/news.bitcoinvn.io\/infographic-lam-sao-dao-bitcoin\/\">th\u1ee3 \u0111\u00e0o Bitcoin<\/a> nh\u1eadn \u0111\u01b0\u1ee3c 12,5 Bitcoin tr\u00ean m\u1ed7i kh\u1ed1i.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Ph\u1ea7n th\u01b0\u1edfng kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed9ng l\u1ef1c duy nh\u1ea5t \u0111\u1ec3 c\u00e1c th\u1ee3 \u0111\u00e0o ti\u1ebfp t\u1ee5c ch\u1ea1y ph\u1ea7n c\u1ee9ng c\u1ee7a h\u1ecd. H\u1ecd c\u0169ng nh\u1eadn \u0111\u01b0\u1ee3c ph\u00ed giao d\u1ecbch m\u00e0 ng\u01b0\u1eddi d\u00f9ng Bitcoin ph\u1ea3i tr\u1ea3. Hi\u1ec7n t\u1ea1i, v\u00ec c\u00f3 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn giao d\u1ecbch di\u1ec5n ra trong m\u1ea1ng Bitcoin, ph\u00ed giao d\u1ecbch \u0111\u00e3 t\u0103ng v\u1ecdt. M\u1eb7c d\u00f9 c\u00e1c kho\u1ea3n ph\u00ed l\u00e0 t\u1ef1 nguy\u1ec7n t\u1eeb ph\u00eda ng\u01b0\u1eddi g\u1eedi, c\u00e1c th\u1ee3 \u0111\u00e0o s\u1ebd lu\u00f4n \u01b0u ti\u00ean chuy\u1ec3n kho\u1ea3n v\u1edbi ph\u00ed giao d\u1ecbch cao h\u01a1n. V\u00ec v\u1eady, tr\u1eeb khi b\u1ea1n s\u1eb5n s\u00e0ng tr\u1ea3 m\u1ed9t kho\u1ea3n ph\u00ed kh\u00e1 cao, giao d\u1ecbch c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t th\u1eddi gian r\u1ea5t d\u00e0i \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/span><\/p>\n<p class=\"c2\"><strong><span class=\"c10\">Nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n ghi nh\u1edb:<\/span><\/strong><\/p>\n<ul class=\"c11 lst-kix_egtlfmulr8sp-0 start\">\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">N\u1ebfu b\u1ea1n s\u1edf h\u1eefu ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1 th\u00ec b\u1ea1n c\u1ea7n m\u1ed9t v\u00ed ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">V\u00ed l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 tr\u00ean Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">V\u00ed l\u00e0 m\u1ed9t kh\u00f3a c\u00f4ng khai.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Ai \u0111\u00f3 mu\u1ed1n th\u1ef1c hi\u1ec7n m\u1ed9t giao d\u1ecbch ph\u1ea3i g\u1eedi m\u1ed9t tin nh\u1eafn v\u1edbi giao d\u1ecbch \u0111\u01b0\u1ee3c k\u00fd b\u1eb1ng kh\u00f3a c\u00e1 nh\u00e2n c\u1ee7a h\u1ecd.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Tr\u01b0\u1edbc khi m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1edfi m\u1ecdi n\u00fat b\u1ecf phi\u1ebfu cho n\u00f3 theo m\u1ed9t c\u00e1ch \u0111i\u1ec7n t\u1eed r\u1ea5t \u0111\u1eb7c bi\u1ec7t, kh\u00e1c v\u1edbi c\u00e1c cu\u1ed9c b\u1ea7u c\u1eed m\u00e0 h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia \u0111\u1ec1u c\u00f3.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t kh\u1ed1i b\u1edfi nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c l\u00e0 c\u00e1c n\u00fat \u0111\u1eb7c bi\u1ec7t.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c m\u00e1y t\u00ednh trong m\u1ea1ng n\u1eafm gi\u1eef Blockchain \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c n\u00fat.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c th\u1ee3 \u0111\u00e0o \u0111\u1eb7t c\u00e1c giao d\u1ecbch theo kh\u1ed1i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00e1ch th\u1ee9c v\u1ec1 c\u00f4ng vi\u1ec7c.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Sau khi c\u00e1c th\u1ee3 \u0111\u00e0o &#8216;phong t\u1ecfa&#8217; th\u00e0nh c\u00f4ng m\u1ed9t kh\u1ed1i giao d\u1ecbch, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea7n th\u01b0\u1edfng, hi\u1ec7n \u1edf m\u1ee9c 12,5 BTC v\u00e0 h\u1ecd c\u0169ng \u0111\u01b0\u1ee3c gi\u1eef ph\u00ed giao d\u1ecbch m\u00e0 ng\u01b0\u1eddi s\u1edf h\u1eefu Bitcoin ph\u1ea3i tr\u1ea3.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">T\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u1ed9t Blockchain b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a Blockchain \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 giao th\u1ee9c.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1eadt m\u00e3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft tr\u00ean Blockchain \u0111\u1ec3 ng\u0103n ch\u1eb7n nh\u1eefng k\u1ebb tr\u1ed9m mu\u1ed1n x\u00e2m nh\u1eadp v\u00e0o Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">C\u00e1c kh\u00f3a m\u1eadt m\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c tr\u00ecnh t\u1ea1o kh\u00f3a.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Keygens s\u1eed d\u1ee5ng to\u00e1n h\u1ecdc r\u1ea5t cao c\u1ea5p li\u00ean quan \u0111\u1ebfn s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u1ea1o ra c\u00e1c kh\u00f3a.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ed9t kh\u1ed1i ch\u1ee9a m\u1ed9t d\u1ea5u th\u1eddi gian, m\u1ed9t tham chi\u1ebfu \u0111\u1ebfn kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3, c\u00e1c giao d\u1ecbch v\u00e0 v\u1ea5n \u0111\u1ec1 t\u00ednh to\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tr\u01b0\u1edbc khi kh\u1ed1i \u0111i v\u00e0o Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c n\u00fat c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng thu\u1eadn khi\u1ebfn cho vi\u1ec7c gian l\u1eadn g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 x\u1ea3y ra trong Blockchain.<\/span><\/li>\n<\/ul>\n<h2 class=\"c8\"><strong><span class=\"c0\">Nguy\u00ean t\u1eafc c\u1ee7a Blockchain<\/span><\/strong><\/h2>\n<h2 class=\"c2\"><strong><span class=\"c10\">C\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00e2n t\u00e1n<\/span><\/strong><\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/3DAMjRJoPth5Rhf9tOxMa-R6J7MyWJXZNeoJXVoleVH9z0Up_BgcpaW30DU6Y6amUTwF3eWa6dIBEi3LoHrlnGfZaevUsxpXzr5UDQp3NcrLTUv-HwNzU-NN5haPKzfLeH4uRmaU\" alt=\"Distributed database explained\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">C\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u00ednh l\u00e0 Blockchain v\u00e0 m\u1ed7i n\u00fat tr\u00ean Blockchain c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o to\u00e0n b\u1ed9 kh\u1ed1i chu\u1ed7i. Kh\u00f4ng c\u00f3 m\u1ed9t n\u00fat ho\u1eb7c m\u00e1y t\u00ednh n\u00e0o c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng tin m\u00e0 n\u00f3 ch\u1ee9a. M\u1ecdi n\u00fat \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c c\u00e1c b\u1ea3n ghi c\u1ee7a Blockchain. T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u00e0 kh\u00f4ng c\u00f3 m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 b\u00ean trung gian ki\u1ec3m so\u00e1t m\u1ecdi th\u1ee9.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">N\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n c\u1ea5p v\u1ec1 m\u1eb7t ki\u1ebfn \u200b\u200btr\u00fac v\u00ec kh\u00f4ng c\u00f3 m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 \u0111i\u1ec3m b\u1ecb l\u1ed7i. Kh\u00f4ng c\u00f3 m\u1ed9t \u0111i\u1ec3m th\u1ea5t b\u1ea1i n\u00e0o c\u00f3 th\u1ec3 l\u00e0m s\u1ee5p \u0111\u1ed5 Blockchain.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">Tuy nhi\u00ean, c\u00e1c n\u00fat c\u1ee7a m\u1ed9t Blockchain \u0111\u01b0\u1ee3c t\u1eadp trung m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd, v\u00ec to\u00e0n b\u1ed9 Blockchain l\u00e0 m\u1ed9t m\u1ea1ng ph\u00e2n t\u00e1n th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh trong \u0111\u00f3.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">M\u1ea1ng truy\u1ec1n t\u1ea3i ngang h\u00e0ng (P2P)<\/span><\/strong><\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/OmBNylob5iKfOQtJqMYZnLGcU6xOkME-IqYkFWCymFT83HJ6ZhksDVz4FTNLbCD3lQh5acU71v3PHiusE2yUSJ6jutP7ryo95BXxbhnxot3M01Elolt4OgcCPhTuQw4jmsdmEIH2\" alt=\"Peer-to-peer transmission explained\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">Theo nguy\u00ean t\u1eafc \u0111\u1ea7u ti\u00ean, giao ti\u1ebfp lu\u00f4n di\u1ec5n ra tr\u1ef1c ti\u1ebfp gi\u1eefa <a href=\"https:\/\/news.bitcoinvn.io\/mang-ngang-hang-p2p-la-gi\/\">m\u1ea1ng ngang h\u00e0ng p2p<\/a>, thay v\u00ec th\u00f4ng qua m\u1ed9t s\u1ed1 n\u00fat trung t\u00e2m. Th\u00f4ng tin v\u1ec1 nh\u1eefng g\u00ec \u0111ang x\u1ea3y ra tr\u00ean Blockchain \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u1ed7i n\u00fat sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn c\u00e1c n\u00fat li\u1ec1n k\u1ec1. B\u1eb1ng c\u00e1ch n\u00e0y, th\u00f4ng tin lan truy\u1ec1n trong to\u00e0n b\u1ed9 m\u1ea1ng.<\/span><\/p>\n<h2 class=\"c8\"><strong><span class=\"c10\">T\u00ednh minh b\u1ea1ch<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">B\u1ea5t k\u1ef3 ai ki\u1ec3m tra Blockchain \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn th\u1ea5y m\u1ecdi giao d\u1ecbch v\u00e0 gi\u00e1 tr\u1ecb b\u0103m c\u1ee7a n\u00f3. M\u1ed9t ng\u01b0\u1eddi n\u00e0o \u0111\u00f3 s\u1eed d\u1ee5ng Blockchain c\u00f3 th\u1ec3 \u1ea9n danh n\u1ebfu h\u1ecd mu\u1ed1n ho\u1eb7c h\u1ecd c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin nh\u1eadn d\u1ea1ng c\u1ee7a m\u00ecnh cho ng\u01b0\u1eddi kh\u00e1c. T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n th\u1ea5y tr\u00ean Blockchain l\u00e0 b\u1ea3n ghi c\u00e1c giao d\u1ecbch gi\u1eefa c\u00e1c \u0111\u1ecba ch\u1ec9 trong Blockchain.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">C\u00e1c b\u1ea3n ghi<\/span><\/strong><\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/D5OYEK-ZmjTnhmDXrdGDN1sNia_L64bAS3-lbQCM-Lg5Zb09UrYjX43wFFmKyJLerj9m5RgndraP28Ed8Ib7UP2ZNW2CbLWTN_H9WEdg9DLjDF3HkDI2sw6MwkUP6SnsuVDwXw0b\" alt=\"Records\" \/><\/p>\n<p class=\"c8\"><span class=\"c1\">Khi vi\u1ec7c ghi l\u1ea1i m\u1ed9t giao d\u1ecbch tr\u00ean Blockchain v\u00e0 Blockchain \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, th\u00ec vi\u1ec7c thay \u0111\u1ed5i c\u00e1c b\u1ea3n ghi c\u1ee7a giao d\u1ecbch n\u00e0y l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3. \u0110i\u1ec1u n\u00e0y l\u00e0 do b\u1ea3n ghi giao d\u1ecbch c\u1ee5 th\u1ec3 \u0111\u00f3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi b\u1ea3n ghi c\u1ee7a m\u1ecdi b\u1ea3n ghi tr\u01b0\u1edbc \u0111\u00f3. C\u00e1c b\u1ea3n ghi chu\u1ed7i kh\u1ed1i l\u00e0 v\u0129nh vi\u1ec5n, ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 th\u1eddi gian v\u00e0 ch\u00fang c\u00f3 s\u1eb5n cho t\u1ea5t c\u1ea3 c\u00e1c n\u00fat kh\u00e1c. Bi\u1ec3u \u0111\u1ed3 cho th\u1ea5y m\u1ed9t tr\u00edch xu\u1ea5t t\u1eeb \u200b\u200bBitcoin Blockchain.<\/span><\/p>\n<h3 class=\"c8\"><strong><span class=\"c10\">T\u1ea1i sao kh\u00f4ng th\u1ec3 t\u1eaft m\u1ea1ng?<\/span><\/strong><\/h3>\n<p class=\"c8\"><span class=\"c1\">V\u00ec c\u00f3 c\u00e1c n\u00fat tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi n\u00ean h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 \u0111\u1ec3 to\u00e0n b\u1ed9 m\u1ea1ng b\u1ecb m\u1ed9t b\u00ean ti\u1ebfp qu\u1ea3n.<\/span><\/p>\n<h3 class=\"c8\"><strong><span class=\"c10\">T\u1ea1i sao h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 l\u00e0m gi\u1ea3 kh\u1ed1i?<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">L\u00fd do m\u00e0 vi\u1ec7c gi\u1ea3 m\u1ea1o m\u1ed9t kh\u1ed1i g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 x\u1ea3y ra l\u00e0 t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a kh\u1ed1i v\u00e0 n\u00f3i c\u00e1ch kh\u00e1c, vi\u1ec7c \u0111\u01b0a n\u00f3 v\u00e0o Blockchain \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi s\u1ef1 \u0111\u1ed3ng thu\u1eadn \u0111i\u1ec7n t\u1eed c\u1ee7a c\u00e1c n\u00fat. C\u00f3 h\u00e0ng ng\u00e0n n\u00fat n\u00e0y, n\u1eb1m r\u1ea3i r\u00e1c kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, v\u00e0 do \u0111\u00f3, vi\u1ec7c chi\u1ebfm \u0111\u01b0\u1ee3c m\u1ea1ng s\u1ebd y\u00eau c\u1ea7u m\u1ed9t m\u00e1y t\u00ednh c\u00f3 s\u1ee9c m\u1ea1nh kh\u00f4ng t\u01b0\u1edfng.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Blockchain l\u00e0m c\u01a1 s\u1edf d\u1eef li\u1ec7u b\u00ecnh th\u01b0\u1eddng kh\u00f4ng?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">B\u1ea1n c\u00f3 th\u1ec3 l\u01b0u tr\u1eef 3GB t\u1ec7p tr\u00ean Blockchain gi\u1ed1ng nh\u01b0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Access, Filemaker ho\u1eb7c MySql kh\u00f4ng? \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u00fd ki\u1ebfn \u200b\u200bhay. H\u1ea7u h\u1ebft c\u00e1c Blockchains kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c n\u00e0y theo thi\u1ebft k\u1ebf ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 thi\u1ebfu c\u00f4ng su\u1ea5t c\u1ea7n thi\u1ebft.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">C\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c tuy\u1ebfn truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng ki\u1ebfn \u200b\u200btr\u00fac m\u1ea1ng m\u00e1y kh\u00e1ch-m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 quy\u1ec1n truy c\u1eadp c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e1c m\u1ee5c nh\u1eadp \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0ng quy\u1ec1n ki\u1ec3m so\u00e1t t\u1ed5ng th\u1ec3 v\u1eabn thu\u1ed9c v\u1ec1 qu\u1ea3n tr\u1ecb vi\u00ean. Khi n\u00f3i \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u Blockchain, m\u1ed7i ng\u01b0\u1eddi d\u00f9ng s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m duy tr\u00ec, t\u00ednh to\u00e1n v\u00e0 c\u1eadp nh\u1eadt m\u1ecdi m\u1ee5c nh\u1eadp m\u1edbi. M\u1ecdi n\u00fat \u0111\u01a1n l\u1ebb ph\u1ea3i l\u00e0m vi\u1ec7c c\u00f9ng nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111i \u0111\u1ebfn c\u00f9ng m\u1ed9t k\u1ebft lu\u1eadn.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Ki\u1ebfn tr\u00fac Blockchain c\u0169ng c\u00f3 ngh\u0129a l\u00e0 m\u1ed7i n\u00fat ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u00e0 so s\u00e1nh k\u1ebft qu\u1ea3 c\u00f4ng vi\u1ec7c c\u1ee7a ch\u00fang v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a m\u1ea1ng. V\u00ec v\u1eady, vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng thu\u1eadn c\u00f3 th\u1ec3 r\u1ea5t m\u1ea5t th\u1eddi gian. B\u1edfi v\u00ec \u0111i\u1ec1u n\u00e0y, m\u1ea1ng l\u01b0\u1edbi Blockchain \u0111\u01b0\u1ee3c coi l\u00e0 r\u1ea5t ch\u1eadm so v\u1edbi c\u00f4ng ngh\u1ec7 giao d\u1ecbch k\u1ef9 thu\u1eadt s\u1ed1 truy\u1ec1n th\u1ed1ng.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Tuy nhi\u00ean, \u0111\u00e3 c\u00f3 nh\u1eefng th\u1eed nghi\u1ec7m s\u1ea3n xu\u1ea5t c\u01a1 s\u1edf d\u1eef li\u1ec7u b\u1eb1ng c\u00f4ng ngh\u1ec7 Blockchain, v\u1edbi BigchainDB l\u00e0 c\u00f4ng ty l\u1edbn \u0111\u1ea7u ti\u00ean trong l\u0129nh v\u1ef1c n\u00e0y. Nh\u1eefng ng\u01b0\u1eddi s\u00e1ng t\u1ea1o \u0111\u00e3 s\u1eed d\u1ee5ng c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00e2n t\u00e1n c\u1ea5p doanh nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng c\u00f4ng ngh\u1ec7 c\u1ee7a h\u1ecd tr\u00ean \u0111\u00f3, \u0111\u1ed3ng th\u1eddi b\u1ed5 sung ba thu\u1ed9c t\u00ednh ch\u00ednh c\u1ee7a Blockchain: ph\u00e2n quy\u1ec1n, b\u1ea5t bi\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng \u0111\u0103ng k\u00fd v\u00e0 chuy\u1ec3n giao t\u00e0i s\u1ea3n. Li\u1ec7u nh\u1eefng g\u00ec h\u1ecd \u0111\u00e3 t\u1ea1o ra c\u00f3 h\u1eefu \u00edch hay kh\u00f4ng v\u1eabn c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ea9m \u0111\u1ecbnh.<\/span><\/p>\n<p><strong><span class=\"c10\">Nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng:<\/span><\/strong><\/p>\n<ul class=\"c11 lst-kix_i5jd2ho7succ-0 start\">\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Blockchain l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i gi\u1eefa t\u1ea5t c\u1ea3 c\u00e1c n\u00fat.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Kh\u00f4ng c\u00f3 m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 n\u00fat ki\u1ec3m so\u00e1t Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">T\u1ea5t c\u1ea3 c\u00e1c n\u00fat \u0111\u1ec1u c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c giao d\u1ecbch.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">T\u1ea5t c\u1ea3 giao ti\u1ebfp tr\u00ean Blockchain l\u00e0 p2p.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">B\u1ea5t k\u1ef3 ai s\u1eed d\u1ee5ng Blockchain \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea9n danh n\u1ebfu \u0111\u00f3 l\u00e0 \u0111i\u1ec1u h\u1ecd mu\u1ed1n.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">T\u1ea5t c\u1ea3 c\u00e1c giao d\u1ecbch x\u1ea3y ra tr\u00ean Blockchain \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i \u1edf \u0111\u00f3, v\u00ec v\u1eady c\u00e1c giao d\u1ecbch c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi n\u00e0o s\u1eed d\u1ee5ng m\u1ea1ng \u0111\u1ec1u c\u00f4ng khai v\u00e0 ho\u00e0n to\u00e0n minh b\u1ea1ch, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 \u1ea9n danh.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Khi m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u00ean Blockchain v\u00e0 Blockchain \u0111\u00e3 c\u1eadp nh\u1eadt, th\u00ec giao d\u1ecbch \u0111\u00f3 kh\u00f4ng th\u1ec3 b\u1ecb thay \u0111\u1ed5i.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">Kh\u00f4ng m\u1ed9t c\u00e1 nh\u00e2n ho\u1eb7c t\u1ed5 ch\u1ee9c n\u00e0o c\u00f3 th\u1ec3 t\u1eaft Blockchain.<\/span><\/li>\n<li class=\"c2 c7 li-bullet-0\"><span class=\"c1\">M\u1eb7c d\u00f9 m\u1ed9t Blockchain \u0111\u01b0\u1ee3c ph\u00e2n c\u1ea5p v\u1ec1 m\u1eb7t ch\u00ednh tr\u1ecb v\u00e0 ki\u1ebfn \u200b\u200btr\u00fac, n\u00f3 l\u1ea1i \u0111\u01b0\u1ee3c t\u1eadp trung v\u1ec1 m\u1eb7t logic.<\/span><\/li>\n<\/ul>\n<h2 class=\"c2\"><strong><span class=\"c10\">Blockchain c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">Trong ph\u1ea7n sau c\u1ee7a b\u00e0i vi\u1ebft, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t s\u1ed1 trong s\u1ed1 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Blockchain. Ch\u00fang t\u00f4i s\u1ebd th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh. H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i x\u00e1c \u0111\u1ecbnh nh\u1eefng \u00a0thu\u1eadt ng\u1eef.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Blockchain l\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh l\u00e0 g\u00ec?<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh x\u00e1c \u0111\u1ecbnh c\u00e1c quy t\u1eafc v\u00e0 h\u00ecnh ph\u1ea1t xung quanh m\u1ed9t th\u1ecfa thu\u1eadn c\u1ee5 th\u1ec3 theo c\u00e1ch gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ee3p \u0111\u1ed3ng truy\u1ec1n th\u1ed1ng. Tuy nhi\u00ean, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn l\u00e0 c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh s\u1ebd t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi c\u00e1c ngh\u0129a v\u1ee5 \u0111\u00f3. <a href=\"https:\/\/news.bitcoinvn.io\/hop-dong-thong-minh-thay-doi-dot-pha-cong-nghe\/\">C\u00e1c h\u1ee3p \u0111\u1ed3ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/a> \u0111\u1ec3 ch\u00fang \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh khi \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed c\u1ee5 th\u1ec3.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">1. Y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Th\u00f4ng th\u01b0\u1eddng vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng l\u00e0 t\u1ed1n k\u00e9m, m\u1ea5t th\u1eddi gian v\u00e0 th\u01b0\u1eddng kh\u00f3 kh\u0103n cho nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0a ra y\u00eau c\u1ea7u. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Blockchain ch\u1eafc ch\u1eafn s\u1ebd l\u00e0m cho qu\u00e1 tr\u00ecnh n\u00e0y d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Tr\u01b0\u1edbc \u0111\u00e2y, khi y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u01b0a ra, t\u1ea5t c\u1ea3 vi\u1ec7c ki\u1ec3m tra s\u1ebd do con ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 \u0111\u1ec3 l\u1ea1i ch\u1ed7 cho l\u1ed7i c\u1ee7a con ng\u01b0\u1eddi. \u0110i\u1ec1u n\u00e0y s\u1ebd tr\u1edf n\u00ean kh\u00f4ng c\u1ea7n thi\u1ebft, v\u00ec vi\u1ec7c ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau ch\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ef1 \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Blockchain. Khi t\u1ea5t c\u1ea3 c\u00e1c ngh\u0129a v\u1ee5 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh, k\u1ebft qu\u1ea3 thanh to\u00e1n s\u1ebd t\u1ef1 \u0111\u1ed9ng. T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi s\u1ef1 tham gia t\u1ed1i thi\u1ec3u c\u1ee7a con ng\u01b0\u1eddi.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">M\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c Deloitte \u0111\u01b0a ra l\u00e0 \u0111\u01b0a m\u00e3 QR v\u00e0o bi\u00ean lai. M\u00e3 QR \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn vi\u1ec7c mua h\u00e0ng: m\u1eb7t h\u00e0ng, s\u1ed1 s\u00ea-ri, ng\u00e0y mua, v.v. C\u00f9ng v\u1edbi \u0111\u00f3, m\u00e3 QR c\u0169ng ch\u1ee9a h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch t\u00ecm \u2018bot b\u1ea3o h\u00e0nh\u2019 tr\u00ean Facebook Messenger. Sau \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eedi \u1ea3nh bi\u00ean nh\u1eadn t\u1edbi bot \u0111\u00f3, c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd m\u1edf m\u00e3 QR v\u00e0 l\u01b0u tr\u1eef t\u1ea5t c\u1ea3 th\u00f4ng tin s\u1ea3n ph\u1ea9m tr\u00ean Blockchain.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">2. Ph\u00e1i sinh<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\"><a href=\"https:\/\/news.bitcoinvn.io\/phai-sinh-derivaties-la-gi\/\">C\u00e1c c\u00f4ng c\u1ee5 ph\u00e1i sinh<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u00e0n giao d\u1ecbch ch\u1ee9ng kho\u00e1n v\u00e0 quan t\u00e2m \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u1ee7a t\u00e0i s\u1ea3n. H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh trong giao d\u1ecbch c\u1ed5 phi\u1ebfu v\u00e0 c\u1ed5 phi\u1ebfu c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a c\u00e1c ho\u1ea1t \u0111\u1ed9ng hi\u1ec7n t\u1ea1i b\u1eb1ng c\u00e1ch h\u1ee3p l\u00fd h\u00f3a, t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 gi\u1ea3m chi ph\u00ed giao d\u1ecbch ph\u00e1i sinh trong to\u00e0n ng\u00e0nh. Vi\u1ec7c thanh to\u00e1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh trong v\u00e0i gi\u00e2y thay v\u00ec ba ng\u00e0y nh\u01b0 hi\u1ec7n t\u1ea1i. S\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, giao d\u1ecbch ngang h\u00e0ng s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t ho\u1ea1t \u0111\u1ed9ng th\u00f4ng th\u01b0\u1eddng, d\u1eabn \u0111\u1ebfn m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng ho\u00e0n to\u00e0n trong giao d\u1ecbch ch\u1ee9ng kho\u00e1n. Barclays v\u00e0 m\u1ed9t s\u1ed1 c\u00f4ng ty kh\u00e1c \u0111\u00e3 th\u1eed nghi\u1ec7m m\u1ed9t c\u00e1ch giao d\u1ecbch ph\u00e1i sinh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, nh\u01b0ng h\u1ecd \u0111\u00e3 \u0111i \u0111\u1ebfn k\u1ebft lu\u1eadn r\u1eb1ng c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u1eeb khi c\u00e1c ng\u00e2n h\u00e0ng h\u1ee3p t\u00e1c \u0111\u1ec3 tri\u1ec3n khai n\u00f3.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">3. B\u1ed3i th\u01b0\u1eddng b\u1ea3o hi\u1ec3m<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">V\u1edbi h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, m\u1ed9t b\u1ed9 ti\u00eau ch\u00ed nh\u1ea5t \u0111\u1ecbnh cho c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 li\u00ean quan \u0111\u1ebfn b\u1ea3o hi\u1ec3m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp. V\u1ec1 l\u00fd thuy\u1ebft, v\u1edbi vi\u1ec7c tri\u1ec3n khai c\u00f4ng ngh\u1ec7 Blockchain, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 g\u1eedi y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng b\u1ea3o hi\u1ec3m c\u1ee7a m\u00ecnh tr\u1ef1c tuy\u1ebfn v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c kho\u1ea3n thanh to\u00e1n t\u1ef1 \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c. T\u1ea5t nhi\u00ean, cung c\u1ea5p r\u1eb1ng y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u00e1p ph\u1ea3i \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau ch\u00ed b\u1eaft bu\u1ed9c. C\u00f4ng ty b\u1ea3o hi\u1ec3m kh\u1ed5ng l\u1ed3 AXA c\u1ee7a Ph\u00e1p l\u00e0 t\u1eadp \u0111o\u00e0n b\u1ea3o hi\u1ec3m l\u1edbn \u0111\u1ea7u ti\u00ean cung c\u1ea5p b\u1ea3o hi\u1ec3m b\u1eb1ng c\u00f4ng ngh\u1ec7 Blockchain. G\u1ea7n \u0111\u00e2y, h\u1ecd \u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ea3n ph\u1ea9m b\u1ea3o hi\u1ec3m tr\u00ec ho\u00e3n chuy\u1ebfn bay m\u1edbi s\u1ebd s\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 x\u1eed l\u00fd c\u00e1c kho\u1ea3n thanh to\u00e1n. C\u00e1c c\u00f4ng ty b\u1ea3o hi\u1ec3m kh\u00e1c ch\u1eafc ch\u1eafn c\u0169ng s\u1ebd l\u00e0m theo.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">4. X\u00e1c minh danh t\u00ednh<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Qu\u00e1 nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c hi\u1ec7n \u0111ang b\u1ecb l\u00e3ng ph\u00ed cho vi\u1ec7c x\u00e1c minh danh t\u00ednh. S\u1eed d\u1ee5ng ph\u00e2n quy\u1ec1n c\u1ee7a Blockchains, vi\u1ec7c x\u00e1c minh danh t\u00ednh tr\u1ef1c tuy\u1ebfn s\u1ebd nhanh h\u01a1n nhi\u1ec1u. D\u1eef li\u1ec7u nh\u1eadn d\u1ea1ng tr\u1ef1c tuy\u1ebfn \u1edf v\u1ecb tr\u00ed trung t\u00e2m s\u1ebd bi\u1ebfn m\u1ea5t khi s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh Blockchain. Tin t\u1eb7c m\u00e1y t\u00ednh s\u1ebd kh\u00f4ng c\u00f2n c\u00e1c \u0111i\u1ec3m t\u1eadp trung c\u1ee7a l\u1ed7 h\u1ed5ng \u0111\u1ec3 t\u1ea5n c\u00f4ng. L\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u1ea3 m\u1ea1o v\u00e0 kh\u00f4ng b\u1ecb thay \u0111\u1ed5i khi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi Blockchain. Tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, Blockchain \u0111ang d\u1eabn \u0111\u1ebfn nh\u1eefng c\u1ea3i ti\u1ebfn l\u1edbn trong vi\u1ec7c x\u00e1c minh danh t\u00ednh.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Th\u00e0nh ph\u1ed1 Zug \u1edf Th\u1ee5y S\u0129 s\u1eed d\u1ee5ng <a href=\"https:\/\/news.bitcoinvn.io\/dapp-la-gi-ung-dung-phi-tap-trung-co-loi-gi-trong-doi-song\/\">\u1ee9ng d\u1ee5ng phi t\u1eadp trung (DAPP)<\/a> \u0111\u1ec3 x\u00e1c minh danh t\u00ednh \u0111i\u1ec7n t\u1eed c\u1ee7a c\u00f4ng d\u00e2n. M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t DAPP kh\u00e1c \u0111\u1ec3 x\u00e1c minh danh t\u00ednh l\u00e0 Oraclize \u1edf Estonia. N\u00f3 \u0111\u01b0a ra m\u1ed9t DAPP \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 KYC (Bi\u1ebft kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n). \u0110i\u1ec1u n\u00e0y c\u00f3 t\u1ea7m quan tr\u1ecdng l\u1edbn trong vi\u1ec7c x\u00e1c minh danh t\u00ednh. T\u1ed5 ch\u1ee9c Thomson Reuters \u0111ang t\u1ea1o m\u1ed9t DAPP kh\u00e1c \u0111\u1ec3 x\u00e1c minh danh t\u00ednh b\u1eb1ng Ethereum.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">5. Internet v\u1ea1n v\u1eadt (IoT)<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Internet of Things (IoT) l\u00e0 m\u1ea1ng l\u01b0\u1edbi c\u00e1c thi\u1ebft b\u1ecb v\u1eadt l\u00fd, ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 c\u00e1c m\u1eb7t h\u00e0ng kh\u00e1c \u0111\u01b0\u1ee3c nh\u00fang v\u1edbi ph\u1ea7n m\u1ec1m, thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng, c\u1ea3m bi\u1ebfn, ph\u1ea7n m\u1ec1m v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng, \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Internet. T\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng \u0111\u00f3 cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3 thu th\u1eadp v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u. Blockchain v\u00e0 c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh c\u1ee7a n\u00f3 l\u00e0 c\u01a1 s\u1edf l\u00fd t\u01b0\u1edfng cho vi\u1ec7c n\u00e0y.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">C\u00e1c d\u1ef1 \u00e1n li\u00ean quan \u0111\u1ebfn h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh cho c\u00e1c thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c d\u1ef1 \u0111o\u00e1n l\u00e0 s\u1ebd tr\u1edf n\u00ean r\u1ea5t ph\u1ed5 bi\u1ebfn. C\u00f4ng ty nghi\u00ean c\u1ee9u CNTT h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi, Gartner, \u0111\u00e3 \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n r\u1eb1ng \u0111\u1ebfn n\u0103m 2020, \u00edt nh\u1ea5t 20 t\u1ef7 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i s\u1ebd t\u1ed3n t\u1ea1i. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111ang s\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh Ethereum. V\u00ed d\u1ee5: ch\u00fang t\u00f4i c\u00f3 b\u00f3ng \u0111\u00e8n Ethereum, ch\u00fang t\u00f4i c\u00f3 Ethereum BlockCharge, li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 CryptoSeal; \u0111\u00e2y l\u00e0 con d\u1ea5u ch\u1ed1ng gi\u1ea3 m\u1ea1o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thu\u1ed1c.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Blockchain s\u1ebd \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c <a href=\"https:\/\/news.bitcoinvn.io\/ung-dung-blockchain-internet-of-things-iot\/\">tri\u1ec3n khai IoT<\/a>, nh\u01b0ng c\u0169ng s\u1ebd cung c\u1ea5p c\u00e1c c\u00e1ch b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i tin t\u1eb7c. B\u1edfi v\u00ec n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t phi t\u1eadp trung, m\u1ed9t k\u1ebf ho\u1ea1ch b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean n\u00f3 ph\u1ea3i \u0111\u1ee7 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a IoT. H\u01a1n n\u1eefa, kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u1ea1nh m\u1ebd c\u1ee7a Blockchain ch\u1ed1ng l\u1ea1i vi\u1ec7c gi\u1ea3 m\u1ea1o d\u1eef li\u1ec7u s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n m\u1ed9t thi\u1ebft b\u1ecb gi\u1ea3 m\u1ea1o l\u00e0m gi\u00e1n \u0111o\u1ea1n h\u1ec7 th\u1ed1ng nh\u00e0 \u1edf, nh\u00e0 m\u00e1y ho\u1eb7c giao th\u00f4ng b\u1eb1ng c\u00e1ch chuy\u1ec3n ti\u1ebfp th\u00f4ng tin sai l\u1ec7ch.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">6. L\u01b0u tr\u1eef v\u00e0 l\u01b0u tr\u1eef t\u1ec7p<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Google Drive, Dropbox, v.v. \u0111\u00e3 ph\u00e1t tri\u1ec3n tri\u1ec7t \u0111\u1ec3 vi\u1ec7c l\u01b0u tr\u1eef t\u00e0i li\u1ec7u \u0111i\u1ec7n t\u1eed v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1eadp trung. C\u00e1c trang web t\u1eadp trung lu\u00f4n h\u1ea5p d\u1eabn tin t\u1eb7c. Blockchain v\u00e0 c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh c\u1ee7a n\u00f3 cung c\u1ea5p nh\u1eefng c\u00e1ch l\u00e0m gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 m\u1ed1i \u0111e d\u1ecda n\u00e0y.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">C\u00f3 r\u1ea5t nhi\u1ec1u d\u1ef1 \u00e1n Blockchain \u0111ang nh\u1eafm \u0111\u1ebfn m\u1ee5c \u0111\u00edch n\u00e0y. Tuy nhi\u00ean, h\u00e3y nh\u1edb r\u1eb1ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 \u0111\u1ee7 dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef trong ch\u00ednh c\u00e1c Blockchains, nh\u01b0ng s\u1ebd c\u00f3 s\u1eb5n c\u00e1c gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y phi t\u1eadp trung, ch\u1eb3ng h\u1ea1n nh\u01b0 Storj, Sia, Ethereum Swarm, v.v. T\u1eeb quan \u0111i\u1ec3m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ch\u00fang ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 b\u1ed9 nh\u1edb \u0111\u00e1m m\u00e2y n\u00e0o kh\u00e1c. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 n\u1ed9i dung \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean nhi\u1ec1u m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u1ea9n danh kh\u00e1c nhau, thay v\u00ec trung t\u00e2m d\u1eef li\u1ec7u.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">7. B\u1ea3o h\u1ed9 s\u1edf h\u1eefu tr\u00ed tu\u1ec7<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">L\u01b0u tr\u1eef \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi Blockchain s\u1ebd cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n tr\u00ed tu\u1ec7 t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y. M\u1ed9t \u1ee9ng d\u1ee5ng c\u00f3 t\u00ean Ascribe, s\u1eed d\u1ee5ng Blockchain, \u0111\u00e3 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 n\u00e0y.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">8. T\u1ed9i ph\u1ea1m<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Nh\u1eefng k\u1ebb vi ph\u1ea1m ph\u00e1p lu\u1eadt ph\u1ea3i che gi\u1ea5u v\u00e0 ng\u1ee5y trang s\u1ed1 ti\u1ec1n thu \u0111\u01b0\u1ee3c t\u1eeb chi\u1ebfn t\u00edch c\u1ee7a ch\u00fang. Hi\u1ec7n t\u1ea1i, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi c\u00e1c t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng gi\u1ea3 m\u1ea1o, c\u1edd b\u1ea1c v\u00e0 c\u00e1c c\u00f4ng ty n\u01b0\u1edbc ngo\u00e0i, c\u00f9ng nh\u1eefng m\u01b0u k\u1ebf kh\u00e1c. C\u00f3 r\u1ea5t nhi\u1ec1u m\u1ed1i quan t\u00e2m li\u00ean quan \u0111\u1ebfn t\u00ednh minh b\u1ea1ch c\u1ee7a c\u00e1c giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed. Tuy nhi\u00ean, t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 quy \u0111\u1ecbnh c\u1ea7n thi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c \u0111\u1ecbnh c\u00e1c b\u00ean v\u00e0 th\u00f4ng tin, h\u1ed3 s\u01a1 giao d\u1ecbch v\u00e0 th\u1eadm ch\u00ed c\u1ea3 vi\u1ec7c th\u1ef1c thi \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong h\u1ec7 th\u1ed1ng ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Khi c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c ch\u00fa \u00fd nhi\u1ec1u h\u01a1n, Blockchain v\u00e0 c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh c\u1ee7a n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m cho h\u1ea7u h\u1ebft c\u00e1c chi\u1ebfn thu\u1eadt r\u1eeda ti\u1ec1n kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 tr\u1edf n\u00ean r\u1ea5t d\u1ec5 theo d\u00f5i.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">9. Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">Hi\u1ec7n t\u1ea1i, c\u00e1c t\u1ed5 ch\u1ee9c truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i c\u00f3 th\u1ec3 t\u1ef1 do s\u1eed d\u1ee5ng d\u1eef li\u1ec7u c\u00e1 nh\u00e2n c\u1ee7a kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap h\u1ecd ki\u1ebfm h\u00e0ng t\u1ef7 \u0111\u00f4 la. S\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh Blockchain, ng\u01b0\u1eddi d\u00f9ng ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i s\u1ebd \u0111\u01b0\u1ee3c ph\u00e9p b\u00e1n d\u1eef li\u1ec7u c\u00e1 nh\u00e2n c\u1ee7a h\u1ecd, n\u1ebfu h\u1ecd mu\u1ed1n. Nh\u1eefng \u00fd t\u01b0\u1edfng nh\u01b0 v\u1eady \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u t\u1ea1i MIT. M\u1ee5c \u0111\u00edch c\u1ee7a d\u1ef1 \u00e1n OPENPDS \/ SA l\u00e0 cung c\u1ea5p cho ch\u1ee7 s\u1edf h\u1eefu d\u1eef li\u1ec7u \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt quy\u1ec1n ri\u00eang t\u01b0 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Blockchain.<\/span><\/p>\n<h3 class=\"c2\"><strong><span class=\"c10\">10. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh trong c\u00e1c cu\u1ed9c b\u1ea7u c\u1eed v\u00e0 th\u0103m d\u00f2 \u00fd ki\u1ebfn<\/span><\/strong><\/h3>\n<p class=\"c2\"><span class=\"c1\">C\u00e1c cu\u1ed9c b\u1ea7u c\u1eed v\u00e0 th\u0103m d\u00f2 \u00fd ki\u1ebfn \u200b\u200bc\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1edbi c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh. C\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau \u0111\u00e3 t\u1ed3n t\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 M\u00e1y b\u1ecf phi\u1ebfu tr\u00ean Blockchain, Theo d\u00f5i phi\u1ebfu b\u1ea7u c\u1ee7a t\u00f4i v\u00e0 TIVI. T\u1ea5t c\u1ea3 \u0111\u1ec1u h\u1ee9a h\u1eb9n lo\u1ea1i b\u1ecf gian l\u1eadn, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p s\u1ef1 minh b\u1ea1ch ho\u00e0n to\u00e0n cho k\u1ebft qu\u1ea3 v\u00e0 gi\u1eef cho phi\u1ebfu b\u1ea7u \u0111\u01b0\u1ee3c \u1ea9n danh. Tuy nhi\u00ean, v\u1eabn c\u00f2n m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i ph\u00eda tr\u01b0\u1edbc tr\u01b0\u1edbc khi <a href=\"https:\/\/news.bitcoinvn.io\/ung-dung-blockchain-quan-tri-cong\/\">b\u1ecf phi\u1ebfu phi t\u1eadp trung<\/a> \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i.<\/span><\/p>\n<h2 class=\"c2\"><strong><span class=\"c10\">S\u1ef1 h\u1ea1n ch\u1ebf v\u00e0 t\u00ednh d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng<\/span><\/strong><\/h2>\n<p class=\"c2\"><span class=\"c1\">B\u1ea5t k\u1ef3 m\u1ea1ng l\u01b0\u1edbi Blockchain n\u00e0o ph\u1ea7n l\u1edbn ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng \u0111ang ho\u1ea1t \u0111\u1ed9ng trong \u0111\u00f3. \u0110\u1ec3 ho\u1ea1t \u0111\u1ed9ng h\u1ebft kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3, m\u1ed9t m\u1ea1ng ph\u1ea3i l\u00e0 m\u1ed9t m\u1ea1ng m\u1ea1nh m\u1ebd v\u1edbi m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c n\u00fat \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">H\u01a1n n\u1eefa, kh\u00f4ng c\u00f3 m\u1ea1ng l\u01b0\u1edbi Blockchain n\u00e0o t\u1ed3n t\u1ea1i c\u00f3 th\u1ec3 duy tr\u00ec l\u01b0\u1ee3ng giao d\u1ecbch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c c\u00f4ng ty ph\u00e1t h\u00e0nh th\u1ebb l\u1edbn nh\u01b0 Visa ho\u1eb7c MasterCard. T\u00ednh \u0111\u1ebfn n\u0103m 2017, Blockchain v\u1eabn c\u00f2n m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng r\u1ea5t d\u00e0i tr\u01b0\u1edbc khi n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng thay th\u1ebf nh\u1eefng g\u00e3 kh\u1ed5ng l\u1ed3 c\u1ee7a th\u1ebf gi\u1edbi t\u00e0i ch\u00ednh.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Cu\u1ed1i c\u00f9ng, lu\u00f4n c\u00f3 kh\u1ea3 n\u0103ng l\u00fd thuy\u1ebft v\u1ec1 vi\u1ec7c n\u1eafm b\u1eaft quy m\u00f4 l\u1edbn c\u1ee7a b\u1ea5t k\u1ef3 m\u1ea1ng Blockchain nh\u1ea5t \u0111\u1ecbnh n\u00e0o. N\u1ebfu m\u1ed9t t\u1ed5 ch\u1ee9c duy nh\u1ea5t b\u1eb1ng c\u00e1ch n\u00e0o \u0111\u00f3 s\u1ebd qu\u1ea3n l\u00fd \u0111\u1ec3 gi\u00e0nh \u0111\u01b0\u1ee3c quy\u1ec1n ki\u1ec3m so\u00e1t ph\u1ea7n l\u1edbn c\u00e1c n\u00fat c\u1ee7a m\u1ea1ng, t\u1ed5 ch\u1ee9c \u0111\u00f3 s\u1ebd kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c ph\u00e2n c\u1ea5p theo ngh\u0129a \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a t\u1eeb n\u00e0y n\u1eefa.<\/span><\/p>\n<h2 class=\"c8\"><strong><span class=\"c10\">M\u00f4i tr\u01b0\u1eddng \u0111\u1ea7u t\u01b0 v\u00e0o Blockchain<\/span><\/strong><\/h2>\n<p class=\"c8\"><span class=\"c1\">Khi <a href=\"https:\/\/vbtc.exchange\">gi\u00e1 Bitcoin<\/a> \u0111\u1ea1t k\u1ef7 l\u1ee5c 5.000 \u0111\u00f4 la l\u1ea7n th\u1ee9 hai v\u00e0o n\u0103m 2017, c\u00f3 l\u1ebd kh\u00f4ng c\u00f3 c\u01a1 h\u1ed9i \u0111\u1ea7u t\u01b0 n\u00e0o hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c th\u1ed5i ph\u1ed3ng h\u01a1n ti\u1ec1n \u0111i\u1ec7n t\u1eed v\u00e0 c\u00f4ng ngh\u1ec7 Blockchain. C\u00f4ng ch\u00fang v\u00e0 c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd ng\u00e0y c\u00e0ng nh\u1eadn th\u1ee9c r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a n\u00f3, v\u00e0 h\u1ea7u h\u1ebft nh\u1eefng lo ng\u1ea1i xung quanh n\u00f3 \u0111ang b\u1ecb b\u00e1c b\u1ecf. R\u1ea5t nhi\u1ec1u c\u00f4ng ty \u0111\u00e3 \u0111\u1ea7u t\u01b0 v\u00e0o c\u00f4ng ngh\u1ec7 n\u00e0y, v\u00e0 r\u1ea5t c\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng g\u00e3 kh\u1ed5ng l\u1ed3 c\u00f4ng ngh\u1ec7 to\u00e0n c\u1ea7u IBM hi\u1ec7n \u0111ang xem x\u00e9t \u0111\u1ea7u t\u01b0 \u201cth\u1eddi gian v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a nh\u00e2n vi\u00ean\u201d v\u00e0o kh\u00f4ng gian n\u00e0y.<\/span><\/p>\n<p class=\"c8\"><span class=\"c1\">Nhi\u1ec1u c\u00f4ng ty cung c\u1ea5p th\u1ebb t\u00edn d\u1ee5ng nh\u1eb1m m\u1ee5c \u0111\u00edch khuy\u1ebfn kh\u00edch l\u00f2ng trung th\u00e0nh v\u00e0 th\u00eam m\u1ed9t ngu\u1ed3n doanh thu m\u1edbi. Samsung g\u1ea7n \u0111\u00e2y \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Blocko nh\u1eb1m m\u1ee5c \u0111\u00edch cho ph\u00e9p th\u1ebb t\u00edn d\u1ee5ng tham gia v\u00e0o c\u00e1c giao d\u1ecbch an to\u00e0n b\u1eb1ng c\u00f4ng ngh\u1ec7 Blockchain. Samsung \u0111ang h\u01b0\u1edbng t\u1edbi vi\u1ec7c t\u1ea1o ra ho\u1ea1t \u0111\u1ed9ng kinh doanh m\u1edbi b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng danh t\u00ednh k\u1ef9 thu\u1eadt s\u1ed1, ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 thanh to\u00e1n k\u1ef9 thu\u1eadt s\u1ed1.<\/span><\/p>\n<p class=\"c2\"><span class=\"c1\">Theo m\u1ed9t b\u00e1o c\u00e1o, t\u00ednh \u0111\u1ebfn th\u00e1ng 10 n\u0103m 2017, \u0111\u00e3 c\u00f3 42 th\u01b0\u01a1ng v\u1ee5 \u0111\u1ea7u t\u01b0 c\u1ed5 phi\u1ebfu ch\u1ec9 t\u00ednh ri\u00eang trong n\u0103m 2017, t\u1ed5ng tr\u1ecb gi\u00e1 327 tri\u1ec7u \u0111\u00f4 la. Nh\u00e0 \u0111\u1ea7u t\u01b0 t\u00edch c\u1ef1c nh\u1ea5t l\u00e0 c\u00f4ng ty d\u1ecbch v\u1ee5 Nh\u1eadt B\u1ea3n SBI Holding, n\u1eafm c\u1ed5 ph\u1ea7n trong t\u00e1m c\u00f4ng ty Blockchain. M\u1ed9t c\u01b0\u1eddng qu\u1ed1c k\u1ef9 thu\u1eadt s\u1ed1 nh\u01b0 Google l\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 t\u00edch c\u1ef1c th\u1ee9 hai, v\u1edbi c\u1ed5 ph\u1ea7n trong c\u00f4ng ty v\u00ed Bitcoin Blockchain v\u00e0 Ripple, m\u1ed9t c\u00f4ng ty \u0111ang ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng chuy\u1ec3n ti\u1ec1n d\u1ef1a tr\u00ean Blockchain.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blockchain l\u00e0 g\u00ec? C\u00e1ch c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? T\u1ea5t t\u1ea7n t\u1eadt c\u00e2u h\u1ecfi v\u1ec1 Blockchain \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p trong b\u00e0i vi\u1ebft ho\u00e0n ch\u1ec9nh n\u00e0y.<\/p>\n","protected":false},"author":11,"featured_media":5457,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[142],"tags":[],"class_list":["post-5983","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-basic-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00f4ng ngh\u1ec7 Blockchain v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o? - BitcoinVN News<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n nh\u1eefng th\u1ee9 c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 Blockchain, t\u1ea5t t\u1ea7n t\u1eadt v\u1ec1 c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i 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