{"id":18610,"date":"2026-04-12T13:12:13","date_gmt":"2026-04-12T13:12:13","guid":{"rendered":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/"},"modified":"2026-04-12T13:12:13","modified_gmt":"2026-04-12T13:12:13","slug":"co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu","status":"publish","type":"post","link":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/","title":{"rendered":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u"},"content":{"rendered":"

\u0110\u1ec1 xu\u1ea5t b\u1ea3o v\u1ec7 giao d\u1ecbch Bitcoin tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed<\/h2>\n

C\u00e1c giao d\u1ecbch Bitcoin<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed trong t\u01b0\u01a1ng lai m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a m\u1ea1ng, theo \u0111\u1ec1 xu\u1ea5t t\u1eeb nh\u00e0 nghi\u00ean c\u1ee9u Avihu Mordechai Levy<\/strong> c\u1ee7a StarkWare<\/em>. Trong m\u1ed9t b\u00e0i b\u00e1o g\u1ea7n \u0111\u00e2y, Levy m\u00f4 t\u1ea3 m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch “Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed<\/strong>” \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1eabn gi\u1eef an to\u00e0n ngay c\u1ea3 khi m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 m\u00e3 h\u00f3a \u0111\u01b0\u1eddng cong elip hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 giao d\u1ecbch<\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c quy t\u1eafc k\u1ecbch b\u1ea3n hi\u1ec7n c\u00f3 c\u1ee7a Bitcoin v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u ph\u00e2n nh\u00e1nh m\u1ec1m hay n\u00e2ng c\u1ea5p m\u1ea1ng kh\u00e1c. “<\/p>\n

Ch\u00fang t\u00f4i tr\u00ecnh b\u00e0y QSB, m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed kh\u00f4ng y\u00eau c\u1ea7u thay \u0111\u1ed5i giao th\u1ee9c Bitcoin v\u00e0 v\u1eabn an to\u00e0n ngay c\u1ea3 khi c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a thu\u1eadt to\u00e1n Shor<\/p><\/blockquote>\n

“, Levy vi\u1ebft.<\/p>\n

\u0110\u1ec1 xu\u1ea5t n\u00e0y thay th\u1ebf ch\u1eef k\u00fd \u0111\u01b0\u1eddng cong elip b\u1eb1ng m\u00e3 h\u00f3a d\u1ef1a tr\u00ean b\u0103m v\u00e0 ch\u1eef k\u00fd Lamport<\/strong>, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ch\u1eef k\u00fd s\u1edbm \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00e1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed. “<\/p>\n

V\u00ec ch\u1eef k\u00fd Lamport an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed v\u00e0 ch\u00fang k\u00fd m\u1ed9t \u0111\u1ecbnh danh m\u1ea1nh m\u1ebd v\u1ec1 m\u1eb7t m\u00e3 h\u00f3a c\u1ee7a giao d\u1ecbch, kh\u00f4ng th\u1ec3 s\u1eeda \u0111\u1ed5i giao d\u1ecbch m\u00e0 kh\u00f4ng t\u1ea1o ra m\u1ed9t ch\u1eef k\u00fd Lamport m\u1edbi – m\u00e0 k\u1ebb t\u1ea5n c\u00f4ng kh\u00f4ng th\u1ec3 l\u00e0m gi\u1ea3, ngay c\u1ea3 v\u1edbi kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n l\u01b0\u1ee3ng t\u1eed<\/p><\/blockquote>\n

“, Levy cho bi\u1ebft.<\/p>\n

C\u00e2u \u0111\u1ed1 m\u00e3 h\u00f3a v\u00e0 chi ph\u00ed giao d\u1ecbch<\/h2>\n

\u1ede trung t\u00e2m c\u1ee7a thi\u1ebft k\u1ebf l\u00e0 m\u1ed9t c\u00e2u \u0111\u1ed1 m\u00e3 h\u00f3a<\/strong> ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft tr\u01b0\u1edbc khi m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng. B\u00e0i b\u00e1o \u01b0\u1edbc t\u00ednh r\u1eb1ng vi\u1ec7c t\u00ecm ra m\u1ed9t gi\u1ea3i ph\u00e1p h\u1ee3p l\u1ec7 s\u1ebd y\u00eau c\u1ea7u kho\u1ea3ng 70 tri\u1ec7u t\u1ef7 l\u1ea7n th\u1eed<\/strong>. Kh\u00e1c v\u1edbi vi\u1ec7c khai th\u00e1c Bitcoin, vi\u1ec7c t\u00ednh to\u00e1n di\u1ec5n ra tr\u01b0\u1edbc khi giao d\u1ecbch \u0111\u1ebfn m\u1ea1ng. Ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c ngo\u00e0i chu\u1ed7i v\u00e0 g\u1eedi m\u1ed9t giao d\u1ecbch \u0111\u00e3 bao g\u1ed3m b\u1eb1ng ch\u1ee9ng r\u1eb1ng c\u00e2u \u0111\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n

Levy \u01b0\u1edbc t\u00ednh r\u1eb1ng c\u00e2u \u0111\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng ph\u1ea7n c\u1ee9ng th\u00f4ng th\u01b0\u1eddng nh\u01b0 GPU<\/strong> v\u1edbi chi ph\u00ed v\u00e0i tr\u0103m \u0111\u00f4 la cho m\u1ed7i giao d\u1ecbch. K\u1ebf ho\u1ea1ch n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong gi\u1edbi h\u1ea1n k\u1ecbch b\u1ea3n c\u1ee7a Bitcoin v\u1edbi 201 m\u00e3 l\u1ec7nh<\/strong> v\u00e0 10.000 byte<\/strong>. B\u00e0i b\u00e1o l\u01b0u \u00fd r\u1eb1ng nh\u1eefng gi\u1edbi h\u1ea1n n\u00e0y r\u1ea5t h\u1ea1n ch\u1ebf v\u00ec m\u1ed7i m\u00e3 l\u1ec7nh \u0111\u1ec1u t\u00ednh v\u00e0o t\u1ed5ng s\u1ed1, ngay c\u1ea3 khi n\u00f3 xu\u1ea5t hi\u1ec7n trong m\u1ed9t nh\u00e1nh k\u1ecbch b\u1ea3n kh\u00f4ng s\u1eed d\u1ee5ng.<\/p>\n

\u0110\u00e1nh \u0111\u1ed5i v\u1ec1 an ninh v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a Bitcoin<\/h2>\n

\u0110\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng gi\u1edbi h\u1ea1n \u0111\u00f3, h\u1ec7 th\u1ed1ng k\u1ebft h\u1ee3p ch\u1eef k\u00fd Lamport v\u1edbi c\u00e1c c\u00e2u \u0111\u1ed1 d\u1ef1a tr\u00ean b\u0103m trong m\u1ed9t c\u1ea5u tr\u00fac giao d\u1ecbch theo l\u1edbp. N\u00f3 c\u0169ng gi\u1edbi thi\u1ec7u “g\u1eafn giao d\u1ecbch<\/strong>“, y\u00eau c\u1ea7u b\u1ea5t k\u1ef3 ai c\u1ed1 g\u1eafng s\u1eeda \u0111\u1ed5i giao d\u1ecbch ph\u1ea3i gi\u1ea3i quy\u1ebft l\u1ea1i c\u00e2u \u0111\u1ed1. Levy m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p “cu\u1ed1i c\u00f9ng<\/strong>” h\u01a1n l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng.<\/p>\n

B\u00e0i b\u00e1o cho bi\u1ebft c\u1ea3 chi ph\u00ed t\u00ednh to\u00e1n ngo\u00e0i chu\u1ed7i v\u00e0 k\u00edch th\u01b0\u1edbc giao d\u1ecbch tr\u00ean chu\u1ed7i s\u1ebd kh\u00f4ng m\u1edf r\u1ed9ng \u0111\u1ebfn th\u00f4ng l\u01b0\u1ee3ng m\u1ee5c ti\u00eau c\u1ee7a Bitcoin ho\u1eb7c nhu c\u1ea7u c\u1ee7a h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c t\u1ea1o giao d\u1ecbch c\u0169ng ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng Bitcoin ti\u00eau chu\u1ea9n, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng ti\u00eau chu\u1ea9n theo c\u00e1c ch\u00ednh s\u00e1ch chuy\u1ec3n ti\u1ebfp hi\u1ec7n t\u1ea1i, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e1t t\u00e1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c g\u1eedi tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c b\u1ec3 khai th\u00e1c thay v\u00ec ph\u00e1t s\u00f3ng qua mempool<\/strong> c\u00f4ng c\u1ed9ng.<\/p>\n

\u0110\u1ec1 xu\u1ea5t n\u00e0y c\u0169ng mang theo nh\u1eefng \u0111\u00e1nh \u0111\u1ed5i v\u1ec1 an ninh. Trong khi n\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean thu\u1eadt to\u00e1n Shor \u0111e d\u1ecda ch\u1eef k\u00fd \u0111\u01b0\u1eddng cong elip, thu\u1eadt to\u00e1n Grover<\/strong> v\u1eabn c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t s\u1ef1 t\u0103ng t\u1ed1c b\u1eadc hai cho c\u00e1c k\u1ebb t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed. “<\/p>\n

Trong ch\u1eebng m\u1ef1c m\u00e0 m\u1ed1i \u0111e d\u1ecda l\u01b0\u1ee3ng t\u1eed \u0111\u01b0\u1ee3c cho l\u00e0 c\u00f3 th\u1eadt, v\u1eabn c\u1ea7n thi\u1ebft ph\u1ea3i ti\u1ebfp t\u1ee5c n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 tri\u1ec3n khai gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3 cho Bitcoin – m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a Bitcoin, th\u00f4ng qua c\u00e1c thay \u0111\u1ed5i \u1edf c\u1ea5p \u0111\u1ed9 giao th\u1ee9c<\/p><\/blockquote>\n

“, Levy vi\u1ebft.<\/p>\n

B\u00e0i b\u00e1o c\u1ee7a Levy gia nh\u1eadp v\u00e0o m\u1ed9t s\u1ed1 \u0111\u1ec1 xu\u1ea5t \u0111\u00e3 xu\u1ea5t hi\u1ec7n ph\u00e1c th\u1ea3o c\u00e1ch Bitcoin c\u00f3 th\u1ec3 chuy\u1ec3n sang m\u00e3 h\u00f3a kh\u00e1ng l\u01b0\u1ee3ng t\u1eed, bao g\u1ed3m BIP-360<\/strong>, gi\u1edbi thi\u1ec7u \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 Pay-to-Merkle-Root<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 ch\u1eef k\u00fd an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed. Trong khi m\u1ed1i \u0111e d\u1ecda l\u01b0\u1ee3ng t\u1eed \u0111\u1ed1i v\u1edbi Bitcoin v\u1eabn c\u00f2n l\u00fd thuy\u1ebft, c\u00e1c c\u00f4ng ty nh\u01b0 Google<\/strong> v\u00e0 Cloudflare<\/strong> \u0111\u00e3 chu\u1ea9n b\u1ecb cho \u0111i\u1ec1u n\u00e0y, \u0111\u1eb7t ra th\u1eddi h\u1ea1n n\u0103m 2029<\/strong> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd sang sau l\u01b0\u1ee3ng t\u1eed.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u1ec1 xu\u1ea5t b\u1ea3o v\u1ec7 giao d\u1ecbch Bitcoin tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed C\u00e1c giao d\u1ecbch Bitcoin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed trong t\u01b0\u01a1ng lai m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a m\u1ea1ng, theo \u0111\u1ec1 xu\u1ea5t t\u1eeb…<\/p>\n","protected":false},"author":3,"featured_media":18609,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[4225,9833,5247,6165],"class_list":["post-18610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bitcoin","tag-bitcoin","tag-cloudflare","tag-google","tag-starkware"],"yoast_head":"\nC\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen<\/title>\n<meta name=\"description\" content=\"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.\" \/>\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\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen\" \/>\n<meta property=\"og:description\" content=\"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\" \/>\n<meta property=\"og:site_name\" content=\"CryptoZen\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-12T13:12:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_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=\"7 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\"},\"author\":{\"name\":\"Editor\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c\"},\"headline\":\"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u\",\"datePublished\":\"2026-04-12T13:12:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\"},\"wordCount\":1337,\"publisher\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#organization\"},\"image\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg\",\"keywords\":[\"Bitcoin\",\"Cloudflare\",\"Google\",\"StarkWare\"],\"articleSection\":[\"Bitcoin\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\",\"url\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\",\"name\":\"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen\",\"isPartOf\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg\",\"datePublished\":\"2026-04-12T13:12:13+00:00\",\"description\":\"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.\",\"breadcrumb\":{\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage\",\"url\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg\",\"contentUrl\":\"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg\",\"width\":1280,\"height\":720},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/cryptozen.asia\/vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u\"}]},{\"@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":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen","description":"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.","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\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/","og_locale":"en_US","og_type":"article","og_title":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen","og_description":"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.","og_url":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/","og_site_name":"CryptoZen","article_published_time":"2026-04-12T13:12:13+00:00","og_image":[{"width":1280,"height":720,"url":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_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":"7 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#article","isPartOf":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/"},"author":{"name":"Editor","@id":"https:\/\/cryptozen.asia\/vn\/#\/schema\/person\/215c42a44c778a4d41cede868d63707c"},"headline":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u","datePublished":"2026-04-12T13:12:13+00:00","mainEntityOfPage":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/"},"wordCount":1337,"publisher":{"@id":"https:\/\/cryptozen.asia\/vn\/#organization"},"image":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage"},"thumbnailUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg","keywords":["Bitcoin","Cloudflare","Google","StarkWare"],"articleSection":["Bitcoin"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/","url":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/","name":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u - CryptoZen","isPartOf":{"@id":"https:\/\/cryptozen.asia\/vn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage"},"image":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage"},"thumbnailUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg","datePublished":"2026-04-12T13:12:13+00:00","description":"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.","breadcrumb":{"@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#primaryimage","url":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg","contentUrl":"https:\/\/cryptozen.asia\/vn\/wp-content\/uploads\/sites\/27\/2026\/04\/story_176406_preview.jpeg","width":1280,"height":720},{"@type":"BreadcrumbList","@id":"https:\/\/cryptozen.asia\/vn\/co-cach-bao-ve-bitcoin-khoi-cac-cuoc-tan-cong-luong-tu-ma-khong-can-phan-nhanh-theo-cac-nha-nghien-cuu\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/cryptozen.asia\/vn\/"},{"@type":"ListItem","position":2,"name":"C\u00f3 c\u00e1ch b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n ph\u00e2n nh\u00e1nh, theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u"}]},{"@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":"C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t k\u1ebf ho\u1ea1ch giao d\u1ecbch 'Bitcoin an to\u00e0n tr\u01b0\u1edbc l\u01b0\u1ee3ng t\u1eed' nh\u1eb1m b\u1ea3o v\u1ec7 Bitcoin kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i giao th\u1ee9c c\u1ed1t l\u00f5i c\u1ee7a n\u00f3.","_links":{"self":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/posts\/18610","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=18610"}],"version-history":[{"count":0,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/posts\/18610\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/media\/18609"}],"wp:attachment":[{"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/media?parent=18610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/categories?post=18610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cryptozen.asia\/vn\/wp-json\/wp\/v2\/tags?post=18610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}