{"id":2503,"date":"2024-08-05T10:29:23","date_gmt":"2024-08-05T10:29:23","guid":{"rendered":"https:\/\/tastycounter.net\/index.php\/2024\/08\/05\/ma-qr-co-the-can-kiet-khong\/"},"modified":"2024-08-05T10:29:23","modified_gmt":"2024-08-05T10:29:23","slug":"ma-qr-co-the-can-kiet-khong","status":"publish","type":"post","link":"https:\/\/tastycounter.net\/index.php\/2024\/08\/05\/ma-qr-co-the-can-kiet-khong\/","title":{"rendered":"M\u00e3 QR c\u00f3 th\u1ec3 c\u1ea1n ki\u1ec7t kh\u00f4ng?"},"content":{"rendered":"<\/p>\n
\n

M\u00e3 QR \u0111\u00e3 v\u00e0 \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 \u0111\u1ec3 k\u1ebft n\u1ed1i truy c\u1eadp nhanh v\u00e0o website, m\u1ea1ng WiFi, chia s\u1ebb th\u00f4ng tin, thanh to\u00e1n \u0111i\u1ec7n t\u1eed, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v\u00e9 \u0111i\u1ec7n t\u1eed v\u00e0 nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00e1c. C\u00e1ch d\u00f9ng m\u00e3 QR r\u1ea5t \u0111\u01a1n gi\u1ea3n: Ch\u1ec9 c\u1ea7n qu\u00e9t b\u1eb1ng c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh c\u00f3 tr\u00ean camera \u0111i\u1ec7n tho\u1ea1i, \u1ee9ng d\u1ee5ng s\u1ebd chuy\u1ec3n \u0111o\u1ea1n m\u00e3 sang d\u1ea1ng nh\u1ecb ph\u00e2n v\u00e0 hi\u1ec3n th\u1ecb th\u00f4ng tin ho\u1eb7c th\u1ef1c hi\u1ec7n h\u00e0nh vi \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n.<\/p>\n

Tuy nhi\u00ean g\u1ea7n \u0111\u00e2y, c\u00f3 tin \u0111\u1ed3n r\u1ed5 l\u00ean v\u1ec1 \u201cng\u00e0y t\u1eadn th\u1ebf\u201d s\u1eafp x\u1ea3y ra trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7: \u0110\u00f3 l\u00e0 khi m\u00e3 QR s\u1ebd s\u1edbm b\u1ecb s\u1eed d\u1ee5ng h\u1ebft. V\u1eady \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra hay kh\u00f4ng?<\/p>\n

Ch\u00fang ta c\u00f3 \u0111ang c\u1ea1n ki\u1ec7t m\u00e3 QR kh\u00f4ng?<\/h2>\n

Tr\u01b0\u1edbc ti\u00ean, c\u00f9ng t\u00ecm hi\u1ec3u qua v\u1ec1 ngu\u1ed3n g\u1ed1c m\u00e3 QR. M\u00e3 QR (QR Code – vi\u1ebft t\u1eaft c\u1ee7a Quick Response Code) \u0111\u01b0\u1ee3c ph\u00e1t minh t\u1ea1i Nh\u1eadt B\u1ea3n v\u00e0o n\u0103m 1994 v\u00e0 k\u1ec3 t\u1eeb \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00ec ch\u1ee9a c\u00e1c li\u00ean k\u1ebft \u0111\u1ebfn c\u00e1c trang web. Tuy nhi\u00ean, ch\u00fang c\u00f3 th\u1ec3 ch\u1ee9a h\u1ea7u nh\u01b0 b\u1ea5t k\u1ef3 th\u00f4ng tin n\u00e0o b\u1ea1n mu\u1ed1n \u0111\u01b0a v\u00e0o, kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ecba ch\u1ec9 web. T\u00f9y thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n m\u00e3 QR b\u1ea1n \u0111ang s\u1eed d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 l\u01b0u tr\u1eef kho\u1ea3ng 3KB d\u1eef li\u1ec7u trong m\u1ed9t m\u00e3. N\u1ebfu mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 l\u01b0u tr\u1eef to\u00e0n b\u1ed9 t\u1ec7p ho\u1eb7c \u1ee9ng d\u1ee5ng b\u00ean trong m\u00e3 QR (m\u1eb7c d\u00f9 b\u1ea1n s\u1ebd c\u1ea7n r\u1ea5t nhi\u1ec1u gi\u1ea5y \u0111\u1ec3 in t\u1ea5t c\u1ea3).<\/p>\n

M\u00e3 QR l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0o n\u0103m 2000. Denso Wave hi\u1ec7n l\u00e0 c\u00f4ng ty n\u1eafm gi\u1eef b\u1eb1ng s\u00e1ng ch\u1ebf c\u00f4ng ngh\u1ec7 m\u00e3 QR, nh\u01b0 th\u1ef1c t\u1ebf l\u00e0 t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng lo\u1ea1i m\u00e3 n\u00e0y ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed, ch\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c d\u00f9ng theo chu\u1ea9n ISO\/JIS.<\/p>\n

Tr\u1edf l\u1ea1i v\u1edbi c\u00e2u h\u1ecfi m\u00e3 QR c\u00f3 th\u1ec3 c\u1ea1n ki\u1ec7t kh\u00f4ng? N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng, th\u1ebf gi\u1edbi kh\u00f4ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t m\u00e3 QR. Ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean h\u1eefu h\u1ea1n. Tr\u00ean th\u1ef1c t\u1ebf, m\u00e3 QR c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean. Ch\u00fang ch\u1ec9 l\u00e0 m\u1ed9t c\u00e1ch l\u01b0u tr\u1eef v\u00e0 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u, gi\u1ed1ng nh\u01b0 m\u00e3 v\u1ea1ch UPC l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec3n th\u1ecb m\u1ed9t t\u1eadp h\u1ee3p s\u1ed1. C\u1ea3 m\u00e3 QR v\u00e0 m\u00e3 v\u1ea1ch \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 \u0111\u1ecdc d\u1ec5 d\u00e0ng, ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng.<\/p>\n

<\/ins><\/div>\n

S\u1ef1 th\u1eadt l\u00e0 m\u1eb7c d\u00f9 m\u00e3 QR b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 l\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 ch\u1ee9a, nh\u01b0ng kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 l\u1ea7n b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u00e3. Ngay c\u1ea3 khi b\u1eb1ng c\u00e1ch n\u00e0o \u0111\u00f3 b\u1ea1n t\u1ea1o \u0111\u01b0\u1ee3c m\u00e3 QR cho m\u1ecdi t\u1ed5 h\u1ee3p d\u1eef li\u1ec7u m\u00e0 ch\u00fang c\u00f3 th\u1ec3 ch\u1ee9a, m\u1ecdi ng\u01b0\u1eddi v\u1eabn c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng ch\u00fang. M\u00e3 QR s\u1ebd ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 khi ai \u0111\u00f3, \u1edf \u0111\u00e2u \u0111\u00f3, \u0111\u00e3 t\u1ea1o c\u00f9ng m\u1ed9t m\u00e3 t\u01b0\u01a1ng t\u1ef1 t\u1eeb tr\u01b0\u1edbc.<\/p>\n

\"M\u00e3<\/p>\n

Tin \u0111\u1ed3n t\u00ecnh tr\u1ea1ng thi\u1ebfu h\u1ee5t m\u00e3 QR xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u00e2u?<\/h2>\n

Tin \u0111\u1ed3n n\u00e0y b\u1eaft \u0111\u1ea7u nh\u01b0 m\u1ed9t tr\u00f2 \u0111\u00f9a tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i X. M\u1ed9t b\u00e0i \u0111\u0103ng tr\u00ean X t\u1eeb n\u0103m 2022 \u0111\u00e3 c\u1ea3nh b\u00e1o r\u1eb1ng l\u01b0\u1ee3ng “m\u00e3 QR \u0111\u00e3 c\u1ea1n ki\u1ec7t 80%” v\u00e0 20% c\u00f2n l\u1ea1i s\u1ebd b\u1ecb s\u1eed d\u1ee5ng h\u1ebft “v\u00e0o kho\u1ea3ng n\u0103m 2025”. Meme n\u00e0y \u0111\u00e3 thu h\u00fat \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 ch\u00fa \u00fd v\u00e0 khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi hi\u1ec3u l\u1ea7m.<\/p>\n

Hi\u1ec7n nay, c\u00f3 nh\u1eefng d\u1ea1ng d\u1eef li\u1ec7u m\u00e0 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt ch\u00fang ta c\u00f3 nguy c\u01a1 c\u1ea1n ki\u1ec7t. V\u00ed d\u1ee5, \u0111\u1ecba ch\u1ec9 IP theo \u0111\u1ecbnh d\u1ea1ng IPv4 truy\u1ec1n th\u1ed1ng l\u00e0 m\u1ed9t ngu\u1ed3n t\u00e0i nguy\u00ean h\u1eefu h\u1ea1n. Nh\u1eefng \u0111\u1ecba ch\u1ec9 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c thi\u1ebft b\u1ecb duy nh\u1ea5t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Internet \u0111\u1ec3 m\u1ecdi thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y v\u00e0 giao ti\u1ebfp m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. \u0110\u1ecbnh d\u1ea1ng 32 bit c\u1ee7a IPv4 t\u1ea1o ra m\u1ed9t nh\u00f3m c\u00e1c \u0111\u1ecba ch\u1ec9 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7 l\u1edbn \u0111\u1ec3 t\u00ednh \u0111\u1ebfn m\u1ecdi thi\u1ebft b\u1ecb duy nh\u1ea5t \u0111ang t\u1ed3n t\u1ea1i, \u00edt nh\u1ea5t l\u00e0 v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n c\u1ee7a Internet. IPv6 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, t\u1ea1o ra m\u1ed9t nh\u00f3m l\u1edbn h\u01a1n v\u1ec1 c\u01a1 b\u1ea3n g\u1ea5p 1.000 l\u1ea7n.<\/p>\n

Tuy nhi\u00ean v\u1edbi m\u00e3 QR, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ch\u00fang tho\u1ea3i m\u00e1i theo \u00fd mu\u1ed1n. M\u00e3 QR kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t cho vi\u1ec5n th\u00f4ng, v\u00ec v\u1eady c\u00e1c b\u1ea3n sao kh\u00f4ng g\u00e2y ra v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111\u1ecba ch\u1ec9 IP tr\u00f9ng l\u1eb7p.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

M\u00e3 QR \u0111\u00e3 v\u00e0 \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn, tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 \u0111\u1ec3 k\u1ebft n\u1ed1i truy c\u1eadp nhanh v\u00e0o website, m\u1ea1ng WiFi, chia s\u1ebb th\u00f4ng tin, thanh to\u00e1n \u0111i\u1ec7n t\u1eed, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v\u00e9 \u0111i\u1ec7n t\u1eed v\u00e0 nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00e1c. C\u00e1ch d\u00f9ng m\u00e3 QR r\u1ea5t \u0111\u01a1n gi\u1ea3n: Ch\u1ec9 c\u1ea7n qu\u00e9t […]<\/p>\n","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-2503","post","type-post","status-publish","format-standard","hentry","category-khong-phan-loai"],"_links":{"self":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/comments?post=2503"}],"version-history":[{"count":0,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2503\/revisions"}],"wp:attachment":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/media?parent=2503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/categories?post=2503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/tags?post=2503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}