{"id":8396,"date":"2025-05-12T23:12:11","date_gmt":"2025-05-12T23:12:11","guid":{"rendered":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/"},"modified":"2025-05-12T23:12:11","modified_gmt":"2025-05-12T23:12:11","slug":"giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y","status":"publish","type":"post","link":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/","title":{"rendered":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd?"},"content":{"rendered":"<h2>Gi\u1edbi Thi\u1ec7u V\u1ec1 OP_RETURN<\/h2>\n<p><strong>OP_RETURN<\/strong> l\u00e0 m\u1ed9t opcode trong Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng nh\u00fang d\u1eef li\u1ec7u nh\u1ecf, kh\u00f4ng th\u1ec3 chi ti\u00eau v\u00e0o c\u00e1c giao d\u1ecbch. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng. M\u1ed9t \u0111\u1ec1 xu\u1ea5t g\u1ea7n \u0111\u00e2y nh\u1eb1m d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte \u0111\u00e3 kh\u01a1i d\u1eady cu\u1ed9c th\u1ea3o lu\u1eadn s\u00f4i n\u1ed5i v\u1ec1 vai tr\u00f2 c\u1ee7a Bitcoin nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u so v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng thanh to\u00e1n t\u1ed1i gi\u1ea3n.<\/p>\n<h2>Ch\u1ee9c N\u0103ng C\u1ee7a OP_RETURN<\/h2>\n<p>OP_RETURN, \u0111\u01b0\u1ee3c th\u00eam v\u00e0o Bitcoin Core t\u1eeb phi\u00ean b\u1ea3n 0.9.0, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u00eam t\u1ed1i \u0111a 80 byte th\u00f4ng tin t\u00f9y \u00fd\u2014bao g\u1ed3m v\u0103n b\u1ea3n, b\u0103m ho\u1eb7c ch\u1ec9 b\u00e1o giao th\u1ee9c\u2014v\u00e0o c\u00e1c giao d\u1ecbch. Thay v\u00ec l\u01b0u tr\u1eef d\u1eef li\u1ec7u trong c\u00e1c \u0111\u1ea7u ra c\u00f3 th\u1ec3 chi ti\u00eau, c\u00e1c \u0111\u1ea7u ra <strong>OP_RETURN<\/strong> l\u00e0 kh\u00f4ng th\u1ec3 chi ti\u00eau, cho ph\u00e9p c\u00e1c node lo\u1ea1i b\u1ecf ch\u00fang v\u00e0 gi\u1ea3m nhu c\u1ea7u l\u01b0u tr\u1eef. Kh\u1ea3 n\u0103ng n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng li\u00ean quan \u0111\u1ebfn thanh to\u00e1n, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>ghi th\u1eddi gian ch\u1ee9ng minh quy\u1ec1n s\u1edf h\u1eefu<\/strong>, nh\u00fang si\u00eau d\u1eef li\u1ec7u cho c\u00e1c giao th\u1ee9c layer-two (L2), ho\u1eb7c c\u1ed1 t\u00ecnh ti\u00eau h\u1ee7y coin trong nh\u1eefng ng\u1eef c\u1ea3nh c\u1ee5 th\u1ec3.<\/p>\n<h2>\u1ee8ng D\u1ee5ng C\u1ee7a OP_RETURN<\/h2>\n<p><strong>Counterparty<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ef1 \u00e1n \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng opcode <strong>OP_RETURN<\/strong> c\u1ee7a Bitcoin \u0111\u1ec3 nh\u00fang d\u1eef li\u1ec7u t\u00f9y \u00fd tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c giao d\u1ecbch BTC, cho ph\u00e9p t\u1ea1o ra v\u00e0 qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng trao \u0111\u1ed5i phi t\u1eadp trung tr\u00ean blockchain c\u1ee7a Bitcoin. Hi\u1ec7n nay, m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n m\u1edbi nh\u01b0 <strong>Citrea<\/strong> c\u0169ng \u0111\u00e3 s\u1eed d\u1ee5ng <strong>OP_RETURN<\/strong> \u0111\u1ec3 ghi l\u1ea1i ch\u1ee9ng minh kh\u00f4ng bi\u1ebft (zero-knowledge proofs), trong khi m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n kh\u00e1c d\u00f9ng n\u00f3 \u0111\u1ec3 m\u00e3 h\u00f3a c\u00e1c \u0111i\u1ec1u kho\u1ea3n h\u1ee3p \u0111\u1ed3ng \u0111\u01a1n gi\u1ea3n.<\/p>\n<h2>Tranh Lu\u1eadn V\u1ec1 Gi\u1edbi H\u1ea1n 80 Byte<\/h2>\n<p>Gi\u1edbi h\u1ea1n 80 byte, \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u00e0o n\u0103m 2014, nh\u1eb1m ng\u0103n ch\u1eb7n vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u n\u1eb7ng, trong khi v\u1eabn ph\u1ee5c v\u1ee5 nh\u1eefng ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft, kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng c\u00e1c kh\u1ed1i n\u00ean \u01b0u ti\u00ean cho c\u00e1c giao d\u1ecbch t\u00e0i ch\u00ednh. Tuy nhi\u00ean, <strong>OP_RETURN<\/strong> v\u1eabn t\u1ed3n t\u1ea1i nh\u01b0 m\u1ed9t lo\u1ea1i giao d\u1ecbch ti\u00eau chu\u1ea9n c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 cho vi\u1ec7c ph\u00e2n ph\u1ed1i c\u00e1c ph\u1ea7n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u00ednh k\u00e8m.<\/p>\n<blockquote>\n<p>C\u1ed9ng \u0111\u1ed3ng Bitcoin \u0111\u00e3 tranh lu\u1eadn l\u00e2u v\u1ec1 m\u1ee5c \u0111\u00edch c\u1ee7a <strong>OP_RETURN<\/strong>. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho r\u1eb1ng vi\u1ec7c nh\u00fang d\u1eef li\u1ec7u, d\u00f9 l\u00e0 nh\u1ecf, c\u00f3 th\u1ec3 l\u00e0m xao l\u00e3ng vai tr\u00f2 c\u01a1 b\u1ea3n c\u1ee7a Bitcoin nh\u01b0 m\u1ed9t s\u1ed5 c\u00e1i ti\u1ec1n t\u1ec7, trong khi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c coi \u0111\u00f3 l\u00e0 m\u1ed9t con \u0111\u01b0\u1eddng thi\u1ebft th\u1ef1c cho nh\u1eefng \u0111\u1ed5i m\u1edbi trong nh\u1eefng gi\u1edbi h\u1ea1n r\u00f5 r\u00e0ng.<\/p>\n<\/blockquote>\n<h2>Thay \u0110\u1ed5i T\u01b0\u01a1ng Lai C\u1ee7a OP_RETURN<\/h2>\n<p>Trong phi\u00ean b\u1ea3n s\u1eafp t\u1edbi c\u1ee7a Bitcoin Core, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ebd lo\u1ea1i b\u1ecf gi\u1edbi h\u1ea1n m\u1eb7c \u0111\u1ecbnh 80 byte c\u1ee7a <strong>OP_RETURN<\/strong>, cho ph\u00e9p ch\u00e8n d\u1eef li\u1ec7u l\u1edbn h\u01a1n v\u00e0 nhi\u1ec1u m\u1ee5c <strong>OP_RETURN<\/strong> trong m\u1ed7i giao d\u1ecbch. Thay \u0111\u1ed5i n\u00e0y di\u1ec5n ra sau m\u1ed9t th\u1eddi gian d\u00e0i tranh c\u00e3i v\u1ec1 vi\u1ec7c li\u1ec7u gi\u1edbi h\u1ea1n hi\u1ec7n t\u1ea1i c\u00f3 c\u00f2n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch hay kh\u00f4ng. Ng\u00e0y 12 th\u00e1ng 5 n\u0103m 2025 v\u1eabn ch\u01b0a th\u1ea5y Bitcoin Core h\u1ee3p nh\u1ea5t b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u n\u00e0o li\u00ean quan \u0111\u1ebfn vi\u1ec7c thay \u0111\u1ed5i gi\u1edbi h\u1ea1n <strong>OP_RETURN<\/strong>, v\u00e0 c\u00e1c \u0111\u1ec1 xu\u1ea5t v\u1eabn \u0111ang m\u1edf \u0111\u1ec3 xem x\u00e9t.<\/p>\n<blockquote>\n<p>Nh\u1eefng ng\u01b0\u1eddi \u1ee7ng h\u1ed9 l\u1eadp lu\u1eadn r\u1eb1ng gi\u1edbi h\u1ea1n n\u00e0y \u0111\u00e3 h\u1ebft th\u1eddi gian h\u1eefu \u00edch, cho r\u1eb1ng c\u00e1c nh\u00f3m khai th\u00e1c v\u00e0 d\u1ecbch v\u1ee5 t\u1eadp trung hi\u1ec7n \u0111\u00e3 ch\u1ea5p nh\u1eadn c\u00e1c giao d\u1ecbch n\u1eb7ng v\u1ec1 d\u1eef li\u1ec7u kh\u00f4ng chu\u1ea9n t\u1eeb tr\u01b0\u1edbc.<\/p>\n<\/blockquote>\n<h2>C\u00e1c M\u1ed1i Quan Ng\u1ea1i \u0110\u1ed1i V\u1edbi Vi\u1ec7c Thay \u0110\u1ed5i<\/h2>\n<p>M\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n Bitcoin Core \u0111\u00e3 \u0111\u1ec1 c\u1eadp r\u1eb1ng b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng n\u00e0o kh\u1ea3 thi v\u1edbi <strong>OP_RETURN<\/strong> \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c \u0111\u1ecba ch\u1ec9 gi\u1ea3 v\u1edbi m\u1ee9c chi ph\u00ed cao h\u01a1n cho m\u1ea1ng. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 nh\u00e0 \u0111i\u1ec1u h\u00e0nh node v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u00e3 c\u1ea3nh b\u00e1o r\u1eb1ng vi\u1ec7c cho ph\u00e9p nh\u00fang d\u1eef li\u1ec7u l\u1edbn h\u01a1n c\u00f3 th\u1ec3 b\u00ecnh th\u01b0\u1eddng h\u00f3a vi\u1ec7c l\u01b0u tr\u1eef h\u00e0ng lo\u1ea1t d\u1eef li\u1ec7u kh\u00f4ng thanh to\u00e1n v\u00e0 l\u00e0m ngh\u1ebdn c\u00e1c kh\u1ed1i.<\/p>\n<h2>\u0110\u01b0a Ra K\u1ebft Lu\u1eadn<\/h2>\n<p>Cu\u1ed1i c\u00f9ng, th\u1ecb tr\u01b0\u1eddng ph\u00ed c\u1ee7a Bitcoin s\u1ebd quy\u1ebft \u0111\u1ecbnh vi\u1ec7c ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean, khi ng\u01b0\u1eddi d\u00f9ng c\u1ea1nh tranh \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng gian trong kh\u1ed1i. N\u1ebfu l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u qu\u00e1 m\u1ee9c tr\u00e0n ng\u1eadp m\u1ea1ng, ph\u00ed cao h\u01a1n s\u1ebd t\u1ef1 nhi\u00ean ng\u0103n ch\u1eb7n vi\u1ec7c l\u1ea1m d\u1ee5ng. D\u00f9 sao \u0111i n\u1eefa, c\u00e1c bitcoiners \u0111ang \u0111\u1ee9ng tr\u01b0\u1edbc m\u1ed9t cu\u1ed9c chia r\u1ebd v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u1ea1o c\u01a1 h\u1ed9i cho c\u00f4ng ch\u00fang h\u01b0\u1edfng l\u1ee3i t\u1eeb s\u1ef1 r\u00f5 r\u00e0ng h\u01a1n trong v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi Thi\u1ec7u V\u1ec1 OP_RETURN OP_RETURN l\u00e0 m\u1ed9t opcode trong Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng nh\u00fang d\u1eef li\u1ec7u nh\u1ecf, kh\u00f4ng th\u1ec3 chi ti\u00eau v\u00e0o c\u00e1c giao d\u1ecbch. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng. M\u1ed9t \u0111\u1ec1 xu\u1ea5t g\u1ea7n &#8230;<\/p>\n","protected":false},"author":3,"featured_media":8395,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[4225,5726],"class_list":["post-8396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","tag-bitcoin","tag-bitcoin-knots"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen\" \/>\n<meta property=\"og:description\" content=\"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\" \/>\n<meta property=\"og:site_name\" content=\"CryptoZen\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-12T23:12:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\"},\"author\":{\"name\":\"Editor\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c\"},\"headline\":\"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd?\",\"datePublished\":\"2025-05-12T23:12:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\"},\"wordCount\":1211,\"publisher\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#organization\"},\"image\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg\",\"keywords\":[\"Bitcoin\",\"Bitcoin Knots\"],\"articleSection\":[\"Bitcoin\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\",\"url\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\",\"name\":\"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen\",\"isPartOf\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg\",\"datePublished\":\"2025-05-12T23:12:11+00:00\",\"description\":\"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.\",\"breadcrumb\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage\",\"url\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg\",\"contentUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg\",\"width\":1280,\"height\":720},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/cryptozen.asia\/vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#website\",\"url\":\"https:\/\/cryptozen.asia\/vn\/\",\"name\":\"CryptoZen\",\"description\":\"Tin t\u1ee9c ti\u1ec1n \u0111i\u1ec7n t\u1eed h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi AI\",\"publisher\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#organization\"},\"alternateName\":\"CZ\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/cryptozen.asia\/vn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#organization\",\"name\":\"CryptoZen\",\"alternateName\":\"CZ\",\"url\":\"https:\/\/cryptozen.asia\/vn\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/azen_preview2-1.png\",\"contentUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/azen_preview2-1.png\",\"width\":600,\"height\":600,\"caption\":\"CryptoZen\"},\"image\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c\",\"name\":\"Editor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/bfd406270e6dbea874497e5c3a864e82?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/bfd406270e6dbea874497e5c3a864e82?s=96&d=mm&r=g\",\"caption\":\"Editor\"},\"url\":\"https:\/\/cryptozen.asia\/vn\/author\/editorapi\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen","description":"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/","og_locale":"en_US","og_type":"article","og_title":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen","og_description":"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.","og_url":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/","og_site_name":"CryptoZen","article_published_time":"2025-05-12T23:12:11+00:00","og_image":[{"width":1280,"height":720,"url":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg","type":"image\/jpeg"}],"author":"Editor","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Editor","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"6 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#article","isPartOf":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/"},"author":{"name":"Editor","@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c"},"headline":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd?","datePublished":"2025-05-12T23:12:11+00:00","mainEntityOfPage":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/"},"wordCount":1211,"publisher":{"@id":"https:\/\/cryptozen.asia\/vn\/#organization"},"image":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage"},"thumbnailUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg","keywords":["Bitcoin","Bitcoin Knots"],"articleSection":["Bitcoin"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/","url":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/","name":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd? - CryptoZen","isPartOf":{"@id":"https:\/\/cryptozen.asia\/vn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage"},"image":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage"},"thumbnailUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg","datePublished":"2025-05-12T23:12:11+00:00","description":"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.","breadcrumb":{"@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#primaryimage","url":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg","contentUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/story_50827_preview.jpeg","width":1280,"height":720},{"@type":"BreadcrumbList","@id":"https:\/\/cryptozen.asia\/vn\/giai-ma-op_return-trong-bitcoin-dieu-gi-dang-gay-chu-y\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cryptozen.asia\/vn\/"},{"@type":"ListItem","position":2,"name":"Gi\u1ea3i m\u00e3 OP_RETURN trong Bitcoin: \u0110i\u1ec1u g\u00ec \u0111ang g\u00e2y ch\u00fa \u00fd?"}]},{"@type":"WebSite","@id":"https:\/\/cryptozen.asia\/vn\/#website","url":"https:\/\/cryptozen.asia\/vn\/","name":"CryptoZen","description":"Tin t\u1ee9c ti\u1ec1n \u0111i\u1ec7n t\u1eed h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi AI","publisher":{"@id":"https:\/\/cryptozen.asia\/vn\/#organization"},"alternateName":"CZ","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cryptozen.asia\/vn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/cryptozen.asia\/vn\/#organization","name":"CryptoZen","alternateName":"CZ","url":"https:\/\/cryptozen.asia\/vn\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/logo\/image\/","url":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/azen_preview2-1.png","contentUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2025\/05\/azen_preview2-1.png","width":600,"height":600,"caption":"CryptoZen"},"image":{"@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c","name":"Editor","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/bfd406270e6dbea874497e5c3a864e82?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bfd406270e6dbea874497e5c3a864e82?s=96&d=mm&r=g","caption":"Editor"},"url":"https:\/\/cryptozen.asia\/vn\/author\/editorapi\/"}]}},"yoast_description":"Kh\u00e1m ph\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1ee1 b\u1ecf gi\u1edbi h\u1ea1n 80 byte tr\u00ean opcode OP_RETURN c\u1ee7a Bitcoin, nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng nh\u00fang d\u1eef li\u1ec7u trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng.","_links":{"self":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/posts\/8396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/comments?post=8396"}],"version-history":[{"count":0,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/posts\/8396\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/media\/8395"}],"wp:attachment":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/media?parent=8396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/categories?post=8396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/tags?post=8396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}