{"id":2389,"date":"2024-05-14T08:23:19","date_gmt":"2024-05-14T08:23:19","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2389"},"modified":"2024-05-14T08:23:19","modified_gmt":"2024-05-14T08:23:19","slug":"compared-with-bluetooth-which-is-more-secure-fast-and-practical","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/vi\/compared-with-bluetooth-which-is-more-secure-fast-and-practical\/","title":{"rendered":"So v\u1edbi Bluetooth, c\u00f4ng ngh\u1ec7 n\u00e0o an to\u00e0n h\u01a1n, nhanh h\u01a1n v\u00e0 thi\u1ebft th\u1ef1c h\u01a1n?"},"content":{"rendered":"

NFC l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7n s\u1ed1 cao, t\u1ea7m ng\u1eafn, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u \u0111i\u1ec3m-\u0111i\u1ec3m kh\u00f4ng ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 thanh to\u00e1n kh\u00f4ng d\u00e2y, truy\u1ec1n th\u00f4ng tin v\u00e0 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb. So v\u1edbi Bluetooth, NFC c\u00f3 \u01b0u \u0111i\u1ec3m v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, nh\u01b0ng ph\u1ea1m vi truy\u1ec1n v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1ea1i th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat. Tuy nhi\u00ean, t\u00ednh ti\u1ec7n l\u1ee3i c\u1ee7a NFC khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thanh to\u00e1n kh\u00f4ng d\u00e2y v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u. Trong t\u01b0\u01a1ng lai, NFC d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn h\u01a1n n\u1eefa v\u00e0 \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c h\u01a1n.<\/p>\n

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\nGiao ti\u1ebfp tr\u01b0\u1eddng g\u1ea7n (NFC) l\u00e0 g\u00ec? NFC l\u00e0 c\u00f4ng ngh\u1ec7 giao ti\u1ebfp kh\u00f4ng d\u00e2y t\u1ea7n s\u1ed1 cao, t\u1ea7m ng\u1eafn cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u \u0111i\u1ec3m-\u0111i\u1ec3m kh\u00f4ng ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. S\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00f4ng ngh\u1ec7 NFC gi\u00fap ch\u00fang ta thu\u1eadn ti\u1ec7n h\u01a1n trong vi\u1ec7c thanh to\u00e1n kh\u00f4ng d\u00e2y, truy\u1ec1n th\u00f4ng tin v\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb.
\nC\u00f4ng ngh\u1ec7 NFC ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch giao ti\u1ebfp kho\u1ea3ng c\u00e1ch ng\u1eafn gi\u1eefa m\u1ed9t c\u1eb7p thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn v\u00f4 tuy\u1ebfn c\u00f3 t\u1ea7n s\u1ed1 chung, cho ph\u00e9p giao ti\u1ebfp hai chi\u1ec1u gi\u1eefa hai thi\u1ebft b\u1ecb. Giao ti\u1ebfp n\u00e0y di\u1ec5n ra trong ph\u1ea1m vi 30 cm (11,8 inch), v\u00ec v\u1eady c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n ph\u1ea3i \u1edf kh\u00e1 g\u1ea7n nhau \u0111\u1ec3 giao ti\u1ebfp. C\u00e1c thi\u1ebft b\u1ecb NFC \u0111\u01b0\u1ee3c chia th\u00e0nh hai ch\u1ebf \u0111\u1ed9: ch\u1ebf \u0111\u1ed9 ch\u1ee7 \u0111\u1ed9ng v\u00e0 ch\u1ebf \u0111\u1ed9 th\u1ee5 \u0111\u1ed9ng. C\u00e1c thi\u1ebft b\u1ecb \u1edf ch\u1ebf \u0111\u1ed9 ch\u1ee7 \u0111\u1ed9ng c\u00f3 c\u00f4ng su\u1ea5t truy\u1ec1n cao h\u01a1n, trong khi c\u00e1c thi\u1ebft b\u1ecb \u1edf ch\u1ebf \u0111\u1ed9 th\u1ee5 \u0111\u1ed9ng ch\u1ec9 c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u1ee7a thi\u1ebft b\u1ecb ch\u1ebf \u0111\u1ed9 ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n

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\nNg\u01b0\u1ee3c l\u1ea1i, c\u00f4ng ngh\u1ec7 Bluetooth l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y di\u1ec7n r\u1ed9ng cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n. C\u00f4ng ngh\u1ec7 Bluetooth th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb \u00e2m thanh, v.v., v\u1edbi ph\u1ea1m vi l\u1edbn h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n.
\nV\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, NFC c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh so v\u1edbi Bluetooth. Do ph\u1ea1m vi giao ti\u1ebfp NFC nh\u1ecf, n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 giao ti\u1ebfp khi c\u00e1c thi\u1ebft b\u1ecb \u1edf r\u1ea5t g\u1ea7n nhau, do \u0111\u00f3 c\u1ea7n ti\u1ebfp x\u00fac v\u1eadt l\u00fd t\u01b0\u01a1ng \u0111\u1ed1i cao, khi\u1ebfn tin t\u1eb7c kh\u00f3 c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng. Ngo\u00e0i ra, NFC c\u00f2n s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u. Ng\u01b0\u1ee3c l\u1ea1i, ph\u1ea1m vi giao ti\u1ebfp c\u1ee7a c\u00f4ng ngh\u1ec7 Bluetooth l\u1edbn v\u00e0 c\u00f3 m\u1ed9t s\u1ed1 r\u1ee7i ro b\u1ea3o m\u1eadt nh\u1ea5t \u0111\u1ecbnh, tin t\u1eb7c c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp ho\u1eb7c \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u th\u00f4ng qua Bluetooth.
\nV\u1ec1 m\u1eb7t ti\u1ec7n l\u1ee3i, NFC nhanh h\u01a1n v\u00e0 ti\u1ec7n l\u1ee3i h\u01a1n Bluetooth. Khi truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb NFC, ch\u1ec9 c\u1ea7n \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb g\u1ea7n nhau l\u00e0 c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i, kh\u00f4ng c\u1ea7n qu\u00e1 tr\u00ecnh gh\u00e9p n\u1ed1i ph\u1ee9c t\u1ea1p. Ng\u01b0\u1ee3c l\u1ea1i, k\u1ebft n\u1ed1i Bluetooth y\u00eau c\u1ea7u gh\u00e9p n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb, th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c thao t\u00e1c nh\u01b0 nh\u1eadp m\u1eadt kh\u1ea9u. Ngo\u00e0i ra, c\u00f4ng ngh\u1ec7 NFC c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 m\u1ed9t t\u00ednh n\u0103ng g\u1ecdi l\u00e0 "thanh to\u00e1n t\u1ea7m g\u1ea7n", cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n thanh to\u00e1n kh\u00f4ng d\u00e2y th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb NFC nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng.
\nT\u00f3m l\u1ea1i, NFC l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7n s\u1ed1 cao, t\u1ea7m ng\u1eafn cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u \u0111i\u1ec3m-\u0111i\u1ec3m kh\u00f4ng ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. So v\u1edbi Bluetooth, NFC c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m h\u01a1n v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, nh\u01b0ng l\u1ea1i k\u00e9m h\u01a1n m\u1ed9t ch\u00fat v\u1ec1 ph\u1ea1m vi truy\u1ec1n v\u00e0 t\u1ed1c \u0111\u1ed9. Tuy nhi\u00ean, s\u1ef1 ti\u1ec7n l\u1ee3i c\u1ee7a NFC \u0111\u00e3 khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong thanh to\u00e1n kh\u00f4ng d\u00e2y v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, NFC d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa v\u00e0 \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c h\u01a1n trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

NFC l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7n s\u1ed1 cao, t\u1ea7m ng\u1eafn, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u \u0111i\u1ec3m-\u0111i\u1ec3m kh\u00f4ng ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 thanh to\u00e1n kh\u00f4ng d\u00e2y, truy\u1ec1n th\u00f4ng tin v\u00e0 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb. So v\u1edbi Bluetooth, NFC c\u00f3 \u01b0u \u0111i\u1ec3m v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt, nh\u01b0ng ph\u1ea1m vi truy\u1ec1n v\u00e0 t\u1ed1c \u0111\u1ed9 h\u01a1i th\u1ea5p h\u01a1n. Tuy nhi\u00ean, t\u00ednh ti\u1ec7n l\u1ee3i c\u1ee7a NFC khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2389","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/comments?post=2389"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2389\/revisions"}],"predecessor-version":[{"id":2390,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/posts\/2389\/revisions\/2390"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/media?parent=2389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/categories?post=2389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/vi\/wp-json\/wp\/v2\/tags?post=2389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}