{"id":1830,"date":"2022-05-23T17:16:22","date_gmt":"2022-05-23T17:16:22","guid":{"rendered":"http:\/\/monsterblockhk.com\/?p=1830"},"modified":"2022-11-02T00:39:47","modified_gmt":"2022-11-02T00:39:47","slug":"%e4%b8%80%e5%88%86%e9%90%98%e5%ad%b8%e8%ad%98-%e5%85%ac%e7%a7%81%e9%91%b0%e7%94%9f%e6%88%90-23-5-22","status":"publish","type":"post","link":"https:\/\/monsterblockhk.com\/vi\/%e4%b8%80%e5%88%86%e9%90%98%e5%ad%b8%e8%ad%98-%e5%85%ac%e7%a7%81%e9%91%b0%e7%94%9f%e6%88%90-23-5-22\/","title":{"rendered":"H\u1ecdc nhanh trong m\u1ed9t ph\u00fat: T\u1ea1o kh\u00f3a c\u00f4ng khai v\u00e0 kh\u00f3a ri\u00eang (23\/5\/22)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1830\" class=\"elementor elementor-1830\">\n\t\t\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-81a1327 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"4061\" data-id=\"81a1327\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7020649\" data-eae-slider=\"71089\" data-id=\"7020649\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ed237e7 elementor-widget elementor-widget-text-editor\" data-id=\"ed237e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Chuy\u1ec3n ti\u1ec1n qua Metamask hay s\u00e0n giao d\u1ecbch th\u00ec ai c\u0169ng l\u00e0m quen r\u1ed3i, nh\u01b0ng b\u1ea1n c\u00f3 bi\u1ebft nguy\u00ean l\u00fd \u0111\u1eb1ng sau \u0111\u00f3 l\u00e0 g\u00ec kh\u00f4ng?<\/p><p>Trong l\u0129nh v\u1ef1c ti\u1ec1n \u0111i\u1ec7n t\u1eed, c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng nh\u01b0 RSA v\u00e0 ECDSA \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i. Trong \u0111\u00f3, ECDSA nh\u1edd c\u00f3 \u0111\u1ed9 d\u00e0i kh\u00f3a ng\u1eafn h\u01a1n n\u00ean mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n so v\u1edbi RSA; \u0111\u1ed3ng th\u1eddi, ch\u00ednh nh\u1edd n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt v\u1eefng ch\u1eafc c\u1ee7a ECDSA m\u00e0 ng\u01b0\u1eddi ta th\u01b0\u1eddng nghe th\u1ea5y kh\u1ea9u hi\u1ec7u \u201ckh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c, kh\u00f4ng th\u1ec3 gi\u1ea3 m\u1ea1o\u201d.<\/p><p>\u0110\u00fang v\u1eady, c\u1ea3 Bitcoin v\u00e0 Ethereum \u0111\u1ec1u \u0111ang s\u1eed d\u1ee5ng ECDSA. L\u00e0 m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 ti\u1ec1n \u0111i\u1ec7n t\u1eed, b\u1ea1n c\u00f3 ngh\u0129 r\u1eb1ng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u t\u01b0 s\u00e1ng su\u1ed1t h\u01a1n kh\u00f4ng?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-dc4cf10 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"85588\" data-id=\"dc4cf10\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d734703\" data-eae-slider=\"75816\" data-id=\"d734703\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d1a50f8 elementor-widget elementor-widget-heading\" data-id=\"d1a50f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">C\u00e1c thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt th\u01b0\u1eddng d\u00f9ng trong l\u0129nh v\u1ef1c ti\u1ec1n \u0111i\u1ec7n t\u1eed - M\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a14830 elementor-widget elementor-widget-text-editor\" data-id=\"2a14830\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>C\u00f3 th\u1ec3 m\u00e3 h\u00f3a b\u1eb1ng kh\u00f3a c\u00f4ng khai r\u1ed3i gi\u1ea3i m\u00e3 b\u1eb1ng kh\u00f3a ri\u00eang t\u01b0, ho\u1eb7c m\u00e3 h\u00f3a b\u1eb1ng kh\u00f3a ri\u00eang t\u01b0 r\u1ed3i gi\u1ea3i m\u00e3 b\u1eb1ng kh\u00f3a c\u00f4ng khai. Khi t\u1ea1o \u0111\u1ecba ch\u1ec9, m\u1ed7i ng\u01b0\u1eddi s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t kh\u00f3a c\u00f4ng khai v\u00e0 m\u1ed9t kh\u00f3a ri\u00eang t\u01b0; th\u00f4ng th\u01b0\u1eddng, kh\u00f3a c\u00f4ng khai s\u1ebd \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi \u0111\u1ed1i ph\u01b0\u01a1ng, c\u00f2n kh\u00f3a ri\u00eang t\u01b0 s\u1ebd do ch\u00ednh ng\u01b0\u1eddi \u0111\u00f3 gi\u1eef \u0111\u1ec3 ch\u1ee9ng minh m\u00ecnh l\u00e0 ch\u1ee7 s\u1edf h\u1eefu c\u1ee7a kh\u00f3a c\u00f4ng khai \u0111\u00f3.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-660bbad elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"83042\" data-id=\"660bbad\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a00c538\" data-eae-slider=\"82982\" data-id=\"a00c538\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b7d946 elementor-widget elementor-widget-image\" data-id=\"7b7d946\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"http:\/\/monsterblockhk.com\/wp-content\/uploads\/2022\/08\/282720965_428767629006645_7990815760614192610_n.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-041d165\" data-eae-slider=\"70907\" data-id=\"041d165\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-da6eb20 elementor-widget elementor-widget-image\" data-id=\"da6eb20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"http:\/\/monsterblockhk.com\/wp-content\/uploads\/2022\/08\/283173413_169044968900085_2742424224257015545_n.jpg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-3b6b993 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"92822\" data-id=\"3b6b993\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-66a7b7a\" data-eae-slider=\"44165\" data-id=\"66a7b7a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e4efad elementor-widget elementor-widget-heading\" data-id=\"6e4efad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Thu\u1eadt to\u00e1n k\u00fd \u0111i\u1ec7n t\u1eed ECDSA \u2013 Kh\u00f4ng th\u1ec3 b\u1ecb gi\u1ea3 m\u1ea1o?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5870273 elementor-widget elementor-widget-text-editor\" data-id=\"5870273\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u0110\u1ea7u v\u00e0o: M\u1ed9t tin nh\u1eafn, m\u1ed9t kh\u00f3a ri\u00eang v\u00e0 m\u1ed9t s\u1ed1 ng\u1eabu nhi\u00ean s\u1ebd t\u1ea1o ra m\u1ed9t chu\u1ed7i s\u1ed1 l\u00e0m gi\u00e1 tr\u1ecb \u0111\u1ea7u ra, t\u1ee9c l\u00e0 ch\u1eef k\u00fd.<\/p><p>K\u1ebft qu\u1ea3: C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng th\u1ee9c kh\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh ng\u01b0\u1ee3c, nh\u1eb1m x\u00e1c th\u1ef1c trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng bi\u1ebft kh\u00f3a ri\u00eang v\u00e0 s\u1ed1 ng\u1eabu nhi\u00ean.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-067d348 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"62758\" data-id=\"067d348\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2da8b75\" data-eae-slider=\"39795\" data-id=\"2da8b75\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0661185 elementor-widget elementor-widget-text-editor\" data-id=\"0661185\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>H\u00e0m c\u1eeda s\u1eadp<\/strong><\/p><p>Trong qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3, kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb k, t\u1ee9c l\u00e0 kh\u00f4ng th\u1ec3 suy ra kh\u00f3a ri\u00eang t\u1eeb d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 kh\u00f3a c\u00f4ng khai. Trong thu\u1eadt to\u00e1n n\u00e0y kh\u00f4ng c\u00f3 c\u00e1c ph\u00e9p to\u00e1n ngh\u1ecbch \u0111\u1ea3o nh\u01b0 ph\u00e9p tr\u1eeb hay ph\u00e9p chia, do \u0111\u00f3 \u0111\u1eb7c t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u00e0m b\u1eaby m\u1ed9t chi\u1ec1u, v\u00e0 \u0111\u00e2y c\u0169ng ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng cho t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a thu\u1eadt to\u00e1n ECDSA.<\/p><p>\u0110\u00f3 ch\u00ednh l\u00e0 \u00fd ngh\u0129a c\u1ee7a c\u1ee5m t\u1eeb \"kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i\".<br \/><br \/><br \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-107dc6b\" data-eae-slider=\"1522\" data-id=\"107dc6b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element 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