{"id":1680,"date":"2022-05-26T06:14:10","date_gmt":"2022-05-26T06:14:10","guid":{"rendered":"http:\/\/monsterblockhk.com\/?p=1680"},"modified":"2022-08-25T05:07:42","modified_gmt":"2022-08-25T05:07:42","slug":"erc721-nft-is-a-scam-26-5-22","status":"publish","type":"post","link":"https:\/\/monsterblockhk.com\/vi\/erc721-nft-is-a-scam-26-5-22\/","title":{"rendered":"ERC721 \u2013 NFT c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t tr\u00f2 l\u1eeba \u0111\u1ea3o? (26\/5\/22)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1680\" class=\"elementor elementor-1680\">\n\t\t\t\t\t\t<section class=\"has_eae_slider elementor-section elementor-top-section elementor-element elementor-element-3fa71e5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"90129\" data-id=\"3fa71e5\" 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-330e505\" data-eae-slider=\"72414\" data-id=\"330e505\" 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-113ac24 elementor-widget elementor-widget-text-editor\" data-id=\"113ac24\" 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>Ch\u00fa Bob b\u1ea5t ng\u1edd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c Youtuber Sunny tham gia v\u00e0o l\u0129nh v\u1ef1c NFT, khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi x\u00f4n xao b\u00e0n t\u00e1n<strong>\u3002<\/strong>NFT th\u1ef1c s\u1ef1 l\u00e0 l\u1eeba \u0111\u1ea3o? Hay th\u1ef1c ra ch\u1ec9 c\u00f3 con ng\u01b0\u1eddi m\u1edbi l\u00e0 k\u1ebb l\u1eeba \u0111\u1ea3o?<\/p><p>Hi\u1ec7n t\u1ea1i, ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a NFT th\u1ef1c s\u1ef1 v\u1eabn ch\u01b0a \u0111\u1ee7 r\u1ed9ng r\u00e3i v\u00e0 thi\u1ebft th\u1ef1c, n\u00ean vi\u1ec7c nhi\u1ec1u ng\u01b0\u1eddi ch\u1ebf gi\u1ec5u NFT \u1edf giai \u0111o\u1ea1n n\u00e0y l\u00e0 \u0111i\u1ec1u ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng. Tuy nhi\u00ean, b\u1ea3n ch\u1ea5t c\u1ee7a NFT l\u00e0 h\u1ee3p l\u00fd, v\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u ch\u1ec9 trong th\u1eddi gian ng\u1eafn. V\u00ec v\u1eady, \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh NFT th\u1ef1c s\u1ef1 h\u1eefu \u00edch hay c\u00e1ch th\u1ee9c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 ra sao, c\u00f3 l\u1ebd ph\u1ea3i \u0111\u1ee3i \u0111\u1ebfn 5 \u0111\u1ebfn 10 n\u0103m n\u1eefa...<\/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-eec8ed9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"42499\" data-id=\"eec8ed9\" 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-f2871bc\" data-eae-slider=\"86455\" data-id=\"f2871bc\" 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-4561fb5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4561fb5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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-646d3ae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"74650\" data-id=\"646d3ae\" 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-60b92a4\" data-eae-slider=\"53277\" data-id=\"60b92a4\" 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-d5c5fd8 elementor-widget elementor-widget-heading\" data-id=\"d5c5fd8\" 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\">Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eba35ab elementor-widget elementor-widget-eae-data-table\" data-id=\"eba35ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eae-data-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"eae-table-container\">\n\t\t\t<div class=\"eae-table-wrapper\">\n\t\t\t\t\t\t\t<div class=\"eae-table-wrap\">\n\t\t\t\t\n\t\t\t\t<table class=\"eae-table\" data-settings=\"{&quot;sort&quot;:false,&quot;search&quot;:false}\">\n\t\t\t\t\t\n\t\t<thead class=\"eae-table-head\">\n\t\t\t\t\t\t<tr class=\"eae-table-row\">\n\t\t\t\n\t\t<th class=\"eae-table__head_column elementor-repeater-item-6aa5ac6\">\n\t\t\t<div class=\"eae-table__head__wrapper\" style=\"flex-direction: row;\" >\n\t\t\t\t<div class=\"eae-table__head-column-wrapper\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table__column-text\">Ch\u1ee9c n\u0103ng<\/span>\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>      \n\t\t<\/th>\n\t\t\n\t\t<th class=\"eae-table__head_column elementor-repeater-item-facc8e4\">\n\t\t\t<div class=\"eae-table__head__wrapper\" style=\"flex-direction: row;\" >\n\t\t\t\t<div class=\"eae-table__head-column-wrapper\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table__column-text\">Gi\u1ea3i th\u00edch<\/span>\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>      \n\t\t<\/th>\n\t\t\t\t<\/thead> \n\t\t\t\t\t\t\t\t\t\t<tbody class=\"eae-table__body\">\n\t\t\t\t\t\t<tr class=\"eae-table__body-row\">\n\t\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-c034776\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">s\u1ed1 d\u01b0<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-fc61242\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Tra c\u1ee9u s\u1ed1 l\u01b0\u1ee3ng NFT \u0111ang n\u1eafm gi\u1eef theo \u0111\u1ecba ch\u1ec9<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-7d4d75a\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">ch\u1ee7 s\u1edf h\u1eefu <\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-5d1bf50\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Tra c\u1ee9u ch\u1ee7 s\u1edf h\u1eefu c\u1ee7a tokenId<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-7543135\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">ph\u00ea duy\u1ec7t<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-33f4195\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Cho ph\u00e9p m\u1ed9t \u0111\u1ecba ch\u1ec9 kh\u00e1c s\u1eed d\u1ee5ng NFT c\u1ee7a b\u1ea1n<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-4022ecc\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">\u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-4d05cac\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Tra c\u1ee9u \u0111\u1ecba ch\u1ec9 n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p cho NFT<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-c1d3d21\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">safeTransferFrom<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-856f895\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Chuy\u1ec3n kho\u1ea3n an to\u00e0n<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-0c1b8c6\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">name[]  <\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-ac1d990\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">T\u00ean token<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-8bc73e7\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">bi\u1ec3u t\u01b0\u1ee3ng[]<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-2ad2390\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">M\u00e3 token<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tr><tr class=\"eae-table__body-row\">\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-5891580\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">tokenURI[]<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\n\t\t<td class=\"eae-table__body_row_column elementor-repeater-item-1199694\" colspan=\"1\" rowspan=\"1\">  \n\t\t\t<div class=\"eae-table__body-column-wrapper\">\n\t\t\t<div class=\"eae-table__col-inner\">\t\t\t   \n\t\t\t\t\t\t\t\t\t\t\t<span class=\"eae-table-body__text\">Tra c\u1ee9u URI ch\u1ee9a metadata th\u00f4ng qua tokenld<\/span>\n\t\t\t\n\t\t\t\n\t\t\t \n\t\t\t\t\t\t\t<\/div>\t\t\t<\/div>\n\t\t<\/td>\n\n\t\t\t\t\t<\/tbody>\n\t\t\t\t\t\t\t<\/table>\n\t\t\t\t<\/div>\t\t\t\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\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-476422f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"82774\" data-id=\"476422f\" 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-19978c9\" data-eae-slider=\"72892\" data-id=\"19978c9\" 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-9174759 elementor-widget elementor-widget-heading\" data-id=\"9174759\" 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\">Ngu\u1ed3n g\u1ed1c c\u1ee7a v\u1ea5n \u0111\u1ec1<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75a5f16 elementor-widget elementor-widget-text-editor\" data-id=\"75a5f16\" 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>Theo ti\u00eau chu\u1ea9n ERC721 Metadata c\u1ee7a OpenSea, OpenSea s\u1ebd s\u1eed d\u1ee5ng h\u00e0m tokenURI, v\u00e0 h\u00e0m n\u00e0y y\u00eau c\u1ea7u m\u1ed9t URL HTTP ho\u1eb7c IPFS. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, h\u00ecnh \u1ea3nh th\u1ef1c t\u1ebf n\u1eb1m ngo\u00e0i chu\u1ed7i (Off-Chain). Ch\u1ee7 s\u1edf h\u1eefu th\u1ef1c s\u1ef1 n\u1eafm gi\u1eef NFT tr\u00ean chu\u1ed7i, nh\u01b0ng \u0111\u00f3 ch\u1ec9 l\u00e0 tokenId.<\/p><p><strong>N\u1ebfu m\u00e1y ch\u1ee7 Off Chain l\u01b0u tr\u1eef URI b\u1ecb t\u1eaft ho\u1eb7c n\u1ed9i dung b\u1ecb thay \u0111\u1ed5i, ngu\u1ed3n h\u00ecnh \u1ea3nh ban \u0111\u1ea7u s\u1ebd bi\u1ebfn m\u1ea5t ho\u1eb7c b\u1ecb thay \u0111\u1ed5i. T\u1ea5t nhi\u00ean, ch\u1ee7 s\u1edf h\u1eefu v\u1eabn gi\u1eef nguy\u00ean NFT \u0111\u00f3, nh\u01b0ng h\u1ecd ch\u1ec9 c\u00f2n l\u1ea1i m\u00e3 tokenId, ho\u1eb7c h\u00ecnh \u1ea3nh \u0111\u00e3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c thay \u0111\u1ed5i th\u00e0nh m\u1ed9t h\u00ecnh \u1ea3nh kh\u00e1c.<\/strong><\/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-3b37e7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"1576\" data-id=\"3b37e7b\" 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-e4bc281\" data-eae-slider=\"94906\" data-id=\"e4bc281\" 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-256ee31 elementor-widget elementor-widget-heading\" data-id=\"256ee31\" 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\">Tr\u00f2 ch\u01a1i ni\u1ec1m tin<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab380e7 elementor-widget elementor-widget-text-editor\" data-id=\"ab380e7\" 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>M\u1eb7c d\u00f9 tokenId l\u00e0 duy nh\u1ea5t, nh\u01b0ng do h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c truy xu\u1ea5t t\u1eeb m\u00e1y ch\u1ee7 Off Chain, n\u00ean tr\u00ean th\u1ef1c t\u1ebf, t\u00e1c gi\u1ea3 c\u00f3 th\u1ec3 \u0111\u00fac (Mint) c\u00f9ng m\u1ed9t h\u00ecnh \u1ea3nh nhi\u1ec1u l\u1ea7n,<strong>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00f3 nhi\u1ec1u NFT c\u00f3 c\u00f9ng h\u00ecnh \u1ea3nh nh\u01b0ng kh\u00e1c nhau v\u1ec1 tokenId; t\u00ecnh hu\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Double Spend.<\/strong><\/p><p>Ng\u01b0\u1eddi mua c\u1ea7n xem x\u00e9t li\u1ec7u nh\u00f3m ph\u00e1t tri\u1ec3n c\u00f3 l\u01b0u tr\u1eef tokenURI t\u1ea1i m\u1ed9t n\u01a1i \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi c\u00e1c n\u00fat ph\u00e2n t\u00e1n hay kh\u00f4ng, ch\u1eb3ng h\u1ea1n nh\u01b0 H\u1ec7 th\u1ed1ng t\u1ec7p li\u00ean h\u00e0nh tinh (IPFS) (kh\u1ea3 n\u0103ng m\u1ea5t t\u1ec7p g\u1ed1c l\u00e0 c\u1ef1c k\u1ef3 th\u1ea5p).<\/p><p>Tr\u1eeb khi c\u00e1c \u0111i\u1ec1u kho\u1ea3n c\u00f4ng khai c\u1ee7a nh\u00f3m c\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng b\u1ea3n quy\u1ec1n ho\u1eb7c c\u1ea5p ph\u00e9p s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i,<strong>N\u1ebfu kh\u00f4ng, ch\u1ee7 s\u1edf h\u1eefu NFT n\u00f3i chung ch\u1ec9 c\u00f3 quy\u1ec1n \u0111\u1eb7t t\u00ean<\/strong>, b\u1ea3n quy\u1ec1n v\u1eabn thu\u1ed9c v\u1ec1 t\u00e1c gi\u1ea3,<strong>Do \u0111\u00f3, trong ph\u1ea7n l\u1edbn c\u00e1c d\u1ef1 \u00e1n NFT, kh\u00e1i ni\u1ec7m v\u1ec1 quy\u1ec1n s\u1edf h\u1eefu kh\u00f4ng t\u1ed3n t\u1ea1i<\/strong>\u3002<\/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-fc0c077 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"65181\" data-id=\"fc0c077\" 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-0d041ab\" data-eae-slider=\"9785\" data-id=\"0d041ab\" 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-90fadd8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"90fadd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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-fe8c679 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-eae-slider=\"67526\" data-id=\"fe8c679\" 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-63dcade\" data-eae-slider=\"3276\" data-id=\"63dcade\" 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-81e2a2e elementor-widget elementor-widget-heading\" data-id=\"81e2a2e\" 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\">K\u1ebft lu\u1eadn<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea1b50f elementor-widget elementor-widget-text-editor\" data-id=\"ea1b50f\" 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>NFT th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 bi\u1ebfn d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 th\u00e0nh t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1, v\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e1c b\u1ea3n ghi tr\u00ean h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ERC721.<\/p><p>V\u00ed d\u1ee5: Khi b\u1ea1n mua NFT \"Rixin\" do Sunny ph\u00e1t h\u00e0nh, ngo\u00e0i li\u00ean k\u1ebft h\u00ecnh \u1ea3nh c\u1ee7a NFT \u0111\u00f3, h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh c\u00f2n ghi l\u1ea1i th\u00f4ng tin tr\u00ean chu\u1ed7i kh\u1ed1i cho th\u1ea5y NFT n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c Sunny chuy\u1ec3n \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 c\u1ee7a b\u1ea1n (ng\u01b0\u1eddi mua).<\/p><p>Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ee9ng minh r\u1eb1ng NFT thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a ng\u01b0\u1eddi mua, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi mua \u0111\u00e3 s\u1edf h\u1eefu quy\u1ec1n s\u1edf h\u1eefu \u0111\u1ed1i v\u1edbi t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt NFT, c\u0169ng kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi mua ho\u00e0n to\u00e0n s\u1edf h\u1eefu b\u1ee9c \u1ea3nh \u0111\u00f3\u2026\u2026<\/p><p><strong>Nh\u1eefng ai \u0111ang ch\u1ec9 tr\u00edch NFT \u0111\u1eebng v\u1ed9i c\u01b0\u1eddi, \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft l\u00e0 n\u1ebfu metadata m\u00e0 \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n NFT s\u1eed d\u1ee5ng khi so\u1ea1n th\u1ea3o h\u1ee3p \u0111\u1ed3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, c\u00f2n n\u1ebfu metadata \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean IPFS th\u00ec l\u1ea1i l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n kh\u00e1c.<\/strong><\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>Bob \u53d4\u7a81\u7136\u9593\u63a5\u9ede\u540d Youtuber Sunny \u641e NFT \u55ae\u91ce\u4ee4\u597d\u591a\u4eba\u90fd\u8a0e\u8ad6\u3002NFT \u771f\u4fc2 Scam\uff1f [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1680","post","type-post","status-publish","format-standard","hentry","category-new-articles","entry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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