{"id":4163,"date":"2020-08-30T18:38:51","date_gmt":"2020-08-30T11:38:51","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=4163"},"modified":"2021-12-13T10:43:12","modified_gmt":"2021-12-13T03:43:12","slug":"chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/","title":{"rendered":"ChainLink Oracle l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 ChainLink Oracle"},"content":{"rendered":"\n<p><em>ChainLink l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng blockchain \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle. Ch\u00ednh v\u00ec l\u00e0 m\u1ed9t nh\u00e0 ti\u00ean phong, ChainLink mang l\u1ea1i nhi\u1ec1u \u0111i\u1ec1u h\u1ea5p d\u1eabn cho ng\u01b0\u1eddi tham gia. V\u1eady cho n\u00ean <\/em><strong><em>ChainLink Oracle l\u00e0 g\u00ec<\/em><\/strong><em>, m\u00e0 ch\u00f3 tr\u1edf n\u00ean thu h\u00fat nh\u01b0 v\u1eady. Ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 ChainLink Oracle trong b\u00e0i vi\u1ebft ngay sau \u0111\u00e2y nh\u00e9.<\/em><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#ChainLink_Oracle_la_gi\" >ChainLink Oracle l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Oracle_co_y_nghia_la_gi\" >Oracle c\u00f3 \u00fd ngh\u0129a l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Oracle_trong_ChainLink_nhu_the_nao\" >Oracle trong ChainLink nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Vi_sao_ChainLink_su_dung_loai_hinh_Oracle\" >V\u00ec sao ChainLink s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Loi_ich_cua_nen_tang_ChainLink_khi_su_dung_loai_hinh_Oracle\" >L\u1ee3i \u00edch c\u1ee7a n\u1ec1n t\u1ea3ng ChainLink khi s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Qua_trinh_hoat_dong\" >Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fiahub.com\/blog\/chainlink-oracle-la-gi-tim-hieu-ve-chainlink-oracle\/#Ma_thong_bao_LINK\" >M\u00e3 th\u00f4ng b\u00e1o LINK<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ChainLink_Oracle_la_gi\"><\/span><strong>ChainLink Oracle l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oracle_co_y_nghia_la_gi\"><\/span><strong>Oracle c\u00f3 \u00fd ngh\u0129a l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Theo ti\u1ebfng hy L\u1ea1p Oracle c\u00f3 ngh\u0129a l\u00e0 l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef ch\u1ec9 nh\u1eefng ai c\u00f3 kh\u1ea3 n\u0103ng giao ti\u1ebfp v\u1edbi th\u1ebf l\u1ef1c si\u00eau nhi\u00ean hay c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c c\u1ea3 t\u01b0\u01a1ng lai. N\u00f3i ng\u1eafn g\u1ecdn c\u00f3 th\u1ec3 xem Oracle nh\u01b0 m\u1ed9t nh\u00e0 ti\u00ean tri v\u0169 tr\u1ee5.&nbsp;<\/p>\n\n\n\n<p>C\u00f2n \u0111\u1ed1i v\u1edbi Blockchain, Oracle \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t th\u1ec3 th\u1ed1ng c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c d\u1eef li\u1ec7u t\u1eeb th\u1ebf gi\u1edbi th\u1ef1c cho c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh (smart contracts) trong m\u1ea1ng l\u01b0\u1edbi blockchain.&nbsp;<\/p>\n\n\n\n<p>Oracle c\u00f3 hai lo\u1ea1i: Oracle t\u1eadp trung (centralized oracle) v\u00e0 Oracle phi t\u1eadp trung (decentralised oracle).&nbsp;<\/p>\n\n\n\n<p>Trong \u0111\u00f3 Oracle t\u1eadp trung m\u1ed9t \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t, ch\u00ednh l\u00e0 vi\u1ec7c d\u1eef li\u1ec7u m\u00e0 n\u00f3 \u0111\u01b0a v\u00e0o c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c ho\u1eb7c b\u1ecb l\u00e0m gi\u1ea3 m\u1ea1o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Oracle_trong_ChainLink_nhu_the_nao\"><\/span><strong>Oracle trong ChainLink nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong \u0111\u00f3 ChainLink \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi Decentralized Oracle, v\u1edbi ch\u1ee9c n\u0103ng cung c\u1ea5p d\u1eef li\u1ec7u t\u1eeb th\u1ebf gi\u1edbi th\u1ef1c \u0111\u1ebfn c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh smart contracts tr\u00ean blockchain.&nbsp;<\/p>\n\n\n\n<p>Lo\u1ea1i h\u00ecnh Oracle gi\u00fap n\u1ec1n t\u1ea3ng ChainLink \u0111\u1ea3m b\u1ea3o s\u1ef1 tin c\u1eady v\u1ec1 nh\u1eefng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1eeb b\u00ean ngo\u00e0i m\u1ea1ng l\u01b0\u1edbi Blockchain. ChainLink g\u1ed3m nhi\u1ec1u Oracle gi\u00fap kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t &#8211; Single Point of Failure c\u1ee7a Centralized oracle mang l\u1ea1i.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Vi_sao_ChainLink_su_dung_loai_hinh_Oracle\"><\/span><strong>V\u00ec sao ChainLink s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ChainLink cung c\u1ea5p c\u00e1c d\u1eef li\u1ec7u \u0111\u01b0a v\u00e0o Blockchain, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 k\u00edch ho\u1ea1t h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ho\u1ea1t \u0111\u1ed9ng t\u1eeb \u0111\u00f3 t\u1ea1o ra m\u1ed9t ngu\u1ed3n d\u1eef li\u1ec7u \u0111\u1ea7u ra.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"600\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2-1024x600.jpg\" alt=\"V\u00ec sao ChainLink s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle?\" class=\"wp-image-4164\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2-150x88.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2-300x176.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2-768x450.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/ChainLink-2-810x475.jpg 810w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p style=\"text-align:center\"><em>ChainLink s\u1eed d\u1ee5ng Oracle b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/em><\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh n\u00e0y \u0111\u01b0\u1ee3c xem l\u00e0 c\u00e1c th\u1ecfa thu\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n tr\u00ean Blockchain \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 th\u00f4ng tin v\u00e0 t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n khi c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng. Ch\u00ednh v\u00ec \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n ch\u00fang tr\u1edf n\u00ean b\u1ea5t bi\u1ebfn v\u00e0 kh\u00f4ng th\u1ec3 n\u00e0o thay \u0111\u1ed5i.<\/p>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u00e0 vi\u1ec7c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh kh\u00f4ng th\u1ec3 t\u1ea1o ra c\u00e1c th\u1ecfa thu\u1eadn ngo\u00e0i nh\u1eefng c\u00e1i th\u1ecfa thu\u1eadn t\u1eeb c\u00e1c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u00ean Blockchain, th\u00ec ChainLink c\u1ea7n c\u00f3 y\u00eau c\u1ea7u v\u1ec1 d\u1eef li\u1ec7u \u1edf ngo\u00e0i chu\u1ed7i thu\u1ed9c \u0111\u1ecbnh d\u1ea1ng tr\u00ean chu\u1ed7i. L\u00fac n\u00e0y n\u00f3 c\u1ea7n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 k\u1ebft n\u1ed1i c\u00e1c d\u1eef li\u1ec7u b\u00ean ngo\u00e0i v\u00e0 c\u00e1c smart contract \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng lo\u1ea1i ng\u00f4n ng\u1eef m\u00e0 c\u1ea3 \u0111\u00f4i b\u00ean \u0111\u1ec1u c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c.&nbsp;<\/p>\n\n\n\n<p>\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac m\u00e0 decentralized oracle c\u1ea7n d\u00f9ng kh\u1ea3 n\u0103ng c\u1ee7a m\u00ecnh \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 tr\u00ean. Oracle \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t ph\u1ea7n m\u1ec1m trung gian &#8211; middleware. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u1ea7n trung gian d\u1ecbch chuy\u1ec3n d\u1eef li\u1ec7u t\u1eeb th\u1ebf gi\u1edbi th\u1ef1c \u0111\u1ebfn c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh v\u00e0 ng\u01b0\u1ee3c l\u1ea1i tr\u00ean blockchain.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Loi_ich_cua_nen_tang_ChainLink_khi_su_dung_loai_hinh_Oracle\"><\/span><strong>L\u1ee3i \u00edch c\u1ee7a n\u1ec1n t\u1ea3ng ChainLink khi s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean ChainLink l\u00e0 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c n\u00fat phi t\u1eadp trung. Th\u00f4ng qua Oracles c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u t\u1eeb ngo\u00e0i v\u00e0o smart contract. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 gi\u00fap ChainLink ch\u1eb7t ch\u1ebd h\u01a1n trong h\u1ec7 th\u1ed1ng. V\u1eady c\u1ee5 th\u1ec3 l\u00e0 g\u00ec ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u n\u00e0o sau \u0111\u00e2y.<\/p>\n\n\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng t\u1eeb decentralized oracle \u0111\u1ec3 gi\u00fap cho ph\u1ea7n c\u1ee9ng tr\u1edf n\u00ean an to\u00e0n h\u01a1n. N\u00f3 lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u1ec1 \u0111\u00e1ng quan ng\u1ea1i nh\u01b0 v\u1ec1 \u0111\u1ed9 tin c\u1eady khi ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t ngu\u1ed3n t\u1eadp trung duy nh\u1ea5t.&nbsp;<\/p>\n\n\n\n<p>ChainLink c\u00f2n t\u1ea1o ra m\u1ed9t c\u00e1ch cung c\u1ea5p d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1edbi s\u1ef1 hi\u1ec7u qu\u1ea3 cao \u0111\u1ebfn c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh tr\u00ean blockchain. \u0110\u1ec3 hi\u1ec3u c\u00e1c b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n \u0111i\u1ec1u n\u00e0y m\u00ecnh s\u1ebd m\u00f4 t\u1ea3 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ChainLink nh\u01b0 sau.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"641\" height=\"422\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/oracle-openworld-2019-singapore-techtimes-1-1.jpg\" alt=\"L\u1ee3i \u00edch c\u1ee7a n\u1ec1n t\u1ea3ng ChainLink khi s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle\" class=\"wp-image-4169\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/oracle-openworld-2019-singapore-techtimes-1-1.jpg 641w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/oracle-openworld-2019-singapore-techtimes-1-1-150x99.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/oracle-openworld-2019-singapore-techtimes-1-1-300x198.jpg 300w\" sizes=\"(max-width: 641px) 100vw, 641px\" \/><\/figure><\/div>\n\n\n\n<p style=\"text-align:center\"><em>ChainLink cung c\u1ea5p d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady <\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Qua_trinh_hoat_dong\"><\/span><strong>Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u khi c\u00f3 h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh y\u00eau c\u1ea7u cho th\u00f4ng tin. Sau nh\u1eefng th\u1ecfa thu\u1eadn bao g\u1ed3m th\u1ecfa thu\u1eadn v\u1ec1 m\u1ee9c d\u1ecbch v\u1ee5 SLA th\u00ec h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh t\u01b0\u01a1ng \u1ee9ng \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean blockchain.&nbsp;<\/p>\n\n\n\n<p>Sau \u0111\u00f3 n\u00f3 th\u1eadt ra 3 h\u1ee3p \u0111\u1ed3ng ph\u1ee5: h\u1ee3p \u0111\u1ed3ng danh ti\u1ebfng, h\u1ee3p \u0111\u1ed3ng kh\u1edbp l\u1ec7nh v\u00e0 h\u1ee3p \u0111\u1ed3ng t\u1ed5ng h\u1ee3p.&nbsp;<\/p>\n\n\n\n<p><strong>H\u1ee3p \u0111\u1ed3ng danh ti\u1ebfng:<\/strong> n\u00f3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 ki\u1ec3m tra h\u1ed3 s\u01a1 theo d\u00f5i ng\u01b0\u1eddi cung c\u1ea5p oracle. \u0110\u1ec3 x\u00e1c th\u1ef1c sau \u0111\u00f3 \u0111\u00e1nh gi\u00e1 l\u1ea1i l\u1ecbch s\u1eed, lo\u1ea1i b\u1ecf n\u00fat t\u00e0i ti\u1ebfn ho\u1eb7c kh\u00f4ng tin c\u1eady.<\/p>\n\n\n\n<p><strong>H\u1ee3p \u0111\u1ed3ng kh\u1edbp l\u1ec7nh:<\/strong> cung c\u1ea5p theo y\u00eau c\u1ea7u h\u1ee3p \u0111\u1ed3ng v\u00e0 m\u1ea5t h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u n\u1ebfu h\u1ee3p \u0111\u1ed3ng y\u00eau c\u1ea7u kh\u00f4ng ch\u1ecdn m\u1ed9t t\u1eadp h\u1ee3p c\u1ee5 th\u1ec3 c\u00e1c n\u00fat. Sau \u0111\u00f3 l\u00e0 ch\u1ecdn s\u1ed1 \u0111\u00fang v\u00e0 lo\u1ea1i n\u00fat \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p><strong>H\u1ee3p \u0111\u1ed3ng t\u1ed5ng h\u1ee3p:<\/strong> t\u1ea1i \u0111\u00e2y \u0111\u00e3 c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c d\u1eef li\u1ec7u t\u1eeb Oracles v\u1ec1 x\u00e1c nh\u1eadn ho\u1eb7c h\u00f2a gi\u1ea3i \u0111\u1ec3 t\u1ea1o ra m\u1ed9t k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>Ti\u1ebfp theo \u0111\u00f3 \u0111\u00f3 l\u00e0 ph\u1ea7n m\u1ec1m ChainLink Core s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1ecbch chuy\u1ec3n ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh tr\u00ean blockchain th\u00e0nh ng\u00f4n ng\u1eef n\u1eef ngo\u00e0i Blockchain m\u00e0 th\u1ebf gi\u1edbi th\u1eadt b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c n\u00f3. Sau \u0111\u00f3 n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn API \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u.&nbsp;<\/p>\n\n\n\n<p>Sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp xong n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c d\u1ecbch ng\u01b0\u1ee3c l\u1ea1i ng\u00f4n ng\u1eef tr\u00ean blockchain th\u00f4ng qua ph\u1ea7n m\u1ec1m tr\u00ean.<\/p>\n\n\n\n<p>B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 g\u1eedi n\u00f3 tr\u1edf v\u1ec1 h\u1ee3p \u0111\u1ed3ng t\u1ed5ng h\u1ee3p. H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh \u0111\u01b0\u1ee3c xem l\u00e0 n\u01a1i \u0111a n\u0103ng khi n\u00f3 c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c d\u1eef li\u1ec7u th\u00f4ng tin t\u1eeb m\u1ed9t ho\u1eb7c nhi\u1ec1u ngu\u1ed3n v\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh d\u1eef li\u1ec7u th\u00f4ng tin t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ma_thong_bao_LINK\"><\/span><strong>M\u00e3 th\u00f4ng b\u00e1o LINK<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>LINK&nbsp; \u0111\u01b0\u1ee3c t\u1ea1o ra d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng Ethereum ti\u00eau chu\u1ea9n ERC-20. N\u00f3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c mua b\u00e1n cho ti\u1ec1n t\u1ec7 fiat v\u00e0 \u0111\u01b0\u1ee3c trao \u0111\u1ed5i v\u1edbi c\u00e1c lo\u1ea1i ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1 kh\u00e1c.<\/p>\n\n\n\n<p>Ch\u1ed7 h\u1ee3p \u0111\u1ed3ng m\u00ecnh s\u1ebd s\u1eed d\u1ee5ng LINK \u0111\u1ec3 l\u00e0m c\u00f4ng c\u1ee5 thanh to\u00e1n cho c\u00e1c nh\u00e0 khai th\u00e1c n\u00fat hay cung c\u1ea5p th\u00f4ng tin. V\u00e0 s\u1ed1 l\u01b0\u1ee3ng LINK s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 \u0111i\u1ec1u h\u00e0nh \u0111\u1eb7t ra, d\u1ef1a tr\u00ean nhu c\u1ea7u v\u1ec1 d\u1eef li\u1ec7u m\u00e0 h\u1ecd cung c\u1ea5p c\u0169ng nh\u01b0 th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i cho d\u1eef li\u1ec7u \u0111\u00f3.<\/p>\n\n\n\n<p>Ng\u01b0\u1ee3c l\u1ea1i th\u00ec c\u00e1c nh\u00e0 khai th\u00e1c n\u00fat c\u0169ng s\u1eed d\u1ee5ng LINK l\u00e0m c\u00f4ng c\u1ee5 c\u1ed5 ph\u1ea7n trong m\u1ea1ng. Ngh\u0129a l\u00e0 h\u1ecd ph\u1ea3i k\u00fd qu\u1ef9 m\u1ed9t ph\u1ea7n v\u1edbi ChainLink \u0111\u1ec3 cam k\u1ebft c\u0169ng nh\u01b0 \u0111\u1eb7t c\u01b0\u1ee3c. Trong s\u1ed1 \u0111\u00f3, c\u00e1c c\u1ed5 ph\u1ea7n l\u1edbn h\u01a1n s\u1ebd \u0111\u01b0\u1ee3c \u01b0u \u00e1i cho vi\u1ec7c \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn cho c\u00e1c y\u00eau c\u1ea7u h\u01a1n. Hay ng\u01b0\u1ee3c l\u1ea1i th\u00ec c\u00e1c n\u00fat b\u1ecb h\u1ecfng s\u1ebd b\u1ecb tr\u1eebng ph\u1ea1t b\u1eb1ng c\u00e1ch \u0111\u00e1nh thu\u1ebf c\u1ed5 ph\u1ea7n v\u1ec1 d\u1ecbch v\u1ee5 cung c\u1ea5p k\u00e9m.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-1024x576.jpg\" alt=\"\" class=\"wp-image-4166\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-1024x576.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-150x84.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-300x169.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-768x432.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-810x456.jpg 810w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1-1140x641.jpg 1140w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2020\/08\/gioi-thieu-tong-quan-ve-nen-tang-chainlink-va-dong-tien-ma-hoa-link-coin-1-1-1.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p style=\"text-align:center\"><em>Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng ChainLink tr\u1ea3i qua 3 h\u1ee3p \u0111\u1ed3ng ph\u1ee5<\/em><\/p>\n\n\n\n<p>Oracle l\u00e0 m\u1ed9t m\u1ea5u ch\u1ed1t gi\u00fap n\u1ec1n t\u1ea3ng ChainLink ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady. ChainLink tr\u1edf th\u00e0nh nh\u00e0 ti\u00ean phong v\u00e0 c\u0169ng v\u00f4 c\u00f9ng th\u00e0nh c\u00f4ng. T\u1ea5t t\u1ea7n t\u1eadt tr\u00ean \u0111\u00e2y l\u00e0 b\u00e0i vi\u1ebft m\u00e0 m\u00ecnh cung c\u1ea5p cho c\u00e1c b\u1ea1n th\u00f4ng tin v\u1ec1 ChainLink Oracle l\u00e0 g\u00ec. R\u1ea5t mong sao b\u00e0i vi\u1ebft n\u00e0y b\u1ea1n s\u1ebd c\u00f3 c\u00e1i nh\u00ecn r\u00f5 h\u01a1n v\u1ec1 n\u00f3 c\u0169ng nh\u01b0 hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng l\u1ee3i \u00edch m\u00e0 Oracle mang l\u1ea1i cho ChainLink. Ch\u00fac b\u1ea1n lu\u00f4n th\u00e0nh c\u00f4ng trong cu\u1ed9c s\u1ed1ng.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 tham gia giao d\u1ecbch Bitcoin t\u1ea1i <a href=\"https:\/\/www.fiahub.com\/\">Fiahub<\/a> nh\u00e9. Fiahub l\u00e0 m\u1ed9t n\u01a1i c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tho\u1ea3i m\u00e1i mua b\u00e1n BTC, v\u00ec \u0111\u00e2y l\u00e0 m\u1ed9t n\u01a1i \u0111\u00e1ng tin c\u1eady v\u00e0 uy t\u00edn nh\u00e9. H\u1eb9n g\u1eb7p b\u1ea1n trong nh\u1eefng b\u00e0i vi\u1ebft t\u1edbi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ChainLink l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng blockchain \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng lo\u1ea1i h\u00ecnh Oracle. Ch\u00ednh v\u00ec l\u00e0 m\u1ed9t nh\u00e0 ti\u00ean phong, ChainLink mang l\u1ea1i nhi\u1ec1u \u0111i\u1ec1u h\u1ea5p d\u1eabn cho ng\u01b0\u1eddi tham gia. V\u1eady cho n\u00ean ChainLink Oracle l\u00e0 g\u00ec, m\u00e0 ch\u00f3 tr\u1edf n\u00ean thu h\u00fat nh\u01b0 v\u1eady. Ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 ChainLink Oracle<\/p>\n","protected":false},"author":24,"featured_media":4165,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"footnotes":""},"categories":[21846],"tags":[7651,7858],"class_list":{"0":"post-4163","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tien-dien-tu","8":"tag-chainlink","9":"tag-oracle"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ChainLink Oracle l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 ChainLink Oracle - Fiahub<\/title>\n<meta name=\"description\" content=\"ChainLink Oracle l\u00e0 g\u00ec? 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