{"id":8219,"date":"2023-11-30T00:17:19","date_gmt":"2023-11-30T00:17:19","guid":{"rendered":"https:\/\/masterskills.org\/blog\/khoi-chu-uncle-block-la-gi-loi-ich-cua-khoi-chu.html"},"modified":"2023-12-21T14:18:25","modified_gmt":"2023-12-21T07:18:25","slug":"khoi-chu-uncle-block-la-gi-loi-ich-cua-khoi-chu","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/khoi-chu-uncle-block-la-gi-loi-ich-cua-khoi-chu.html","title":{"rendered":"Kh\u1ed1i ch\u00fa (Uncle Block) l\u00e0 g\u00ec? L\u1ee3i \u00edch c\u1ee7a kh\u1ed1i ch\u00fa"},"content":{"rendered":"<div class=\"vnbcbc-body vceditor-content wi-active\" data-role=\"content\">\n<figure class=\"VCSortableInPreviewMode\">\n<div><\/div><figcaption class=\"PhotoCMS_Caption\">\n<p data-placeholder=\"[Nh\u1eadp ch\u00fa th\u00edch \u1ea3nh]\" class=\"\">\u1ea2nh minh h\u1ecda: Cryptovaluta<\/p>\n<\/figcaption><\/figure>\n<h2><font style=\"line-height: 22px;font-size: 22px\" color=\"#3d85c6\">Kh\u1ed1i ch\u00fa<\/font><\/h2>\n<p><b>Kh\u00e1i ni\u1ec7m<\/b><\/p>\n<p><b>Kh\u1ed1i ch\u00fa<\/b> trong ti\u1ebfng Anh l\u00e0 <b>Uncle block.<\/b><\/p>\n<p><b>Kh\u1ed1i ch\u00fa<\/b> tr\u00ean\u00a0Ethereum\u00a0kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi kh\u1ed1i m\u1ed3 c\u00f4i (orphan block)\u00a0c\u1ee7a Bitcoin, v\u1edbi m\u1ed9t v\u00e0i kh\u00e1c bi\u1ec7t. Gi\u1ed1ng nh\u01b0 c\u00e1c kh\u1ed1i m\u1ed3 c\u00f4i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi Bitcoin, c\u00e1c kh\u1ed1i ch\u00fa th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c chu\u1ed7i kh\u1ed1i d\u1ef1a tr\u00ean Ethereum. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c kh\u1ed1i m\u1ed3 c\u00f4i Bitcoin, c\u00e1c kh\u1ed1i ch\u00fa l\u00e0 h\u1ee3p l\u1ec7 v\u00e0 \u0111\u01b0\u1ee3c khai th\u00e1c m\u1ed9t c\u00e1ch ch\u00e2n th\u1ef1c. Nh\u01b0ng kh\u1ed1i ch\u00fa b\u1ecb lo\u1ea1i kh\u1ecfi\u00a0blockchain\u00a0do ch\u00ednh c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a blockchain.<\/p>\n<p><font style=\"line-height: 22px;font-size: 22px\" color=\"#3d85c6\"><b>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a kh\u1ed1i ch\u00fa<\/b><\/font><\/p>\n<p>M\u1ed9t blockchain \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi m\u1ed9t chu\u1ed7i c\u00e1c kh\u1ed1i l\u01b0u tr\u1eef chi ti\u1ebft v\u1ec1 c\u00e1c giao d\u1ecbch kh\u00e1c nhau x\u1ea3y ra tr\u00ean m\u1ea1ng blockchain. C\u00e1c m\u00e1y \u0111\u00e0o khai th\u00e1c kh\u1ed1i m\u1edbi theo qui tr\u00ecnh khai th\u00e1c th\u00f4ng th\u01b0\u1eddng nh\u01b0 \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1edfi blockchain. Kh\u1ed1i m\u1edbi t\u00ecm th\u1ea5y \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o blockchain sau khi \u0111\u01b0\u1ee3c x\u00e1c minh v\u00e0 ng\u01b0\u1eddi khai th\u00e1c \u0111\u00e3 t\u00ecm th\u1ea5y kh\u1ed1i m\u1edbi n\u00e0y \u0111\u01b0\u1ee3c h\u01b0\u1edfng ph\u1ea7n th\u01b0\u1edfng kh\u1ed1i. Chi\u1ec1u cao kh\u1ed1i, cho bi\u1ebft \u0111\u1ed9 d\u00e0i c\u1ee7a blockchain, t\u0103ng sau khi th\u00eam kh\u1ed1i m\u1edbi.<\/p>\n<p>Tuy nhi\u00ean, \u0111\u00f4i khi hai m\u00e1y \u0111\u00e0o kh\u00e1c nhau c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t kh\u1ed1i \u0111\u1ed3ng th\u1eddi. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra do c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a blockchain, c\u00f3 th\u1ec3 kh\u00f4ng ch\u1ea5p nh\u1eadn c\u00e1c kh\u1ed1i m\u1edbi \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o blockchain ngay l\u1eadp t\u1ee9c. Do s\u1ef1 ch\u1eadm tr\u1ec5 n\u00e0y, m\u1ed9t t\u00ecnh hu\u1ed1ng ph\u00e1t sinh trong \u0111\u00f3 m\u1ed9t m\u00e1y \u0111\u00e0o kh\u00e1c gi\u1ea3i quy\u1ebft cho c\u00f9ng m\u1ed9t kh\u1ed1i v\u00e0 c\u1ed1 g\u1eafng th\u00eam n\u00f3 v\u00e0o chu\u1ed7i m\u1ea1ng. N\u00f3 d\u1eabn \u0111\u1ebfn tr\u1ea1ng th\u00e1i t\u1ea1m th\u1eddi kh\u00f4ng r\u00f5 r\u00e0ng c\u1ee7a m\u1ea1ng blockchain, c\u00e1c n\u00fat \u0111\u00e0o kh\u00e1c nhau c\u1ed1 g\u1eafng x\u00e2y d\u1ef1ng s\u1ef1 \u0111\u1ed3ng thu\u1eadn v\u1ec1 vi\u1ec7c kh\u1ed1i n\u00e0o m\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh s\u1ebd ti\u1ebfp t\u1ee5c v\u00e0 kh\u1ed1i n\u00e0o b\u1ecb t\u1eeb ch\u1ed1i.<\/p>\n<p>Nh\u1eefng ng\u01b0\u1eddi b\u1ecb t\u1eeb ch\u1ed1i l\u00e0 nh\u1eefng ng\u01b0\u1eddi c\u00f3 t\u1ec9 l\u1ec7 ch\u1ee9ng minh c\u00f4ng vi\u1ec7c (POW) t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p h\u01a1n v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c kh\u1ed1i ch\u00fa, trong khi nh\u1eefng ng\u01b0\u1eddi c\u00f3 chia s\u1ebb l\u1edbn h\u01a1n tham gia blockchain v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t kh\u1ed1i b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p>C\u00e1i t\u00ean c\u1ee7a kh\u1ed1i ch\u00fa d\u1ef1a tr\u00ean c\u00e1c d\u00f2ng c\u1ee7a m\u1ed9t c\u00e2y gia \u0111\u00ecnh. H\u00e3y coi blockchain nh\u01b0 m\u1ed9t c\u00e2y gia \u0111\u00ecnh, v\u1edbi c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 \u201ccha-con\u201d trong c\u00e2y. Tuy nhi\u00ean, m\u1ed9t ng\u01b0\u1eddi ch\u00fa, m\u1eb7c d\u00f9 r\u1ea5t g\u1ea7n g\u0169i v\u1edbi cha m\u1eb9, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a gia \u0111\u00ecnh h\u1ea1t nh\u00e2n, do \u0111\u00f3 c\u00f3 li\u00ean quan nh\u01b0ng t\u00e1ch bi\u1ec7t v\u1edbi gia \u0111\u00ecnh, hay blockchain.<\/p>\n<h3><strong><font style=\"line-height: 22px;font-size: 22px\" color=\"#3d85c6\">L\u1ee3i \u00edch c\u1ee7a kh\u1ed1i ch\u00fa<\/font><\/strong><\/h3>\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ea1ng Bitcoin kh\u00f4ng th\u01b0\u1edfng cho c\u00e1c kh\u1ed1i m\u1ed3 c\u00f4i, Ethereum khuy\u1ebfn kh\u00edch c\u00e1c th\u1ee3 m\u1ecf \u0111\u00e0o kh\u1ed1i ch\u00fa. C\u00e1c kh\u1ed1i ch\u00fa h\u1ee3p l\u1ec7 \u0111\u01b0\u1ee3c th\u01b0\u1edfng \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 tr\u1ec5 m\u1ea1ng \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e2n ph\u1ed1i ph\u1ea7n th\u01b0\u1edfng khai th\u00e1c. N\u00f3 c\u0169ng gi\u00fap gi\u1ea3m s\u1ef1 t\u1eadp trung c\u1ee7a c\u00e1c \u01b0u \u0111\u00e3i trong \u0111\u00f3 c\u00e1c nh\u00f3m khai th\u00e1c l\u1edbn v\u1edbi s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n cao l\u1ea5y h\u1ebft ph\u1ea7n th\u01b0\u1edfng cho nh\u1eefng th\u1ee3 \u0111\u00e0o nh\u1ecf l\u1ebb. N\u00f3 c\u0169ng l\u00e0m t\u0103ng t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a m\u1ea1ng b\u1eb1ng c\u00e1ch b\u1ed5 sung c\u00f4ng vi\u1ec7c tr\u00ean blockchain ch\u00ednh b\u1eb1ng c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong vi\u1ec7c khai th\u00e1c c\u00e1c uncle block .<\/p>\n<p>(Theo <i>Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"vnbcbc-sapo\" data-role=\"sapo\">\n                            Kh\u1ed1i ch\u00fa (ti\u1ebfng Anh: Uncle block) tr\u00ean Ethereum kh\u00e1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi kh\u1ed1i m\u1ed3 c\u00f4i (Orphan block) c\u1ee7a Bitcoin, v\u1edbi m\u1ed9t v\u00e0i kh\u00e1c bi\u1ec7t.\n                        <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/8219"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=8219"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/8219\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=8219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=8219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=8219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}