{"id":4867,"date":"2020-02-28T14:00:56","date_gmt":"2020-02-28T07:00:56","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=4867"},"modified":"2020-02-28T09:33:06","modified_gmt":"2020-02-28T02:33:06","slug":"ung-dung-blockchain-nhan-dang-so","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/ung-dung-blockchain-nhan-dang-so\/","title":{"rendered":"\u1ee8ng d\u1ee5ng Blockchain trong l\u0129nh v\u1ef1c Nh\u1eadn d\u1ea1ng s\u1ed1"},"content":{"rendered":"

Trong c\u00e1c \u1ee9ng d\u1ee5ng Blockchain m\u00e0 BitcoinVN News \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf nh\u1eefng b\u00e0i tr\u01b0\u1edbc. Th\u00ec c\u00f3 l\u1ebd \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c danh t\u00ednh v\u00e0 nh\u1eadn d\u1ea1ng s\u1ed1 l\u00e0 \u1ee9ng d\u1ee5ng th\u00edch h\u1ee3p v\u1edbi nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u tr\u00fac m\u1ea1ng l\u01b0\u1edbi phi t\u1eadp trung c\u1ee7a Blockchain. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 ngay nh\u00e9!<\/p>\n

<\/p>\n

T\u1ea1i sao c\u00f4ng ngh\u1ec7 nh\u1eadn d\u1ea1ng s\u1ed1 l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng? <\/strong><\/h2>\n

Nh\u1eadn d\u1ea1ng s\u1ed1 c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u00f9ng v\u1edbi v\u1ea5n \u0111\u1ec1 an to\u00e0n d\u1eef li\u1ec7u. Ch\u1ec9 ri\u00eang n\u0103m 2018-2019, h\u00e0ng t\u1ef7 ng\u01b0\u1eddi \u0111\u00e3 b\u1ecb \u0111\u00e1nh c\u1eafp th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng qua c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng, \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, ho\u1eb7c Email v\u00e0 th\u1eadm ch\u00ed qua c\u00e1c ng\u00e2n h\u00e0ng n\u1ed9i \u0111\u1ecba. C\u00f3 l\u1ebd vi\u1ec7c \u0111\u1ed3ng b\u1ed9 h\u00f3a c\u00e1c thi\u1ebft b\u1ecb c\u0169ng l\u00e0 m\u1ed9t h\u1ea1n ch\u1ebf cho ng\u01b0\u1eddi d\u00f9ng trong vi\u1ec7c b\u1ea3o m\u1eadt.<\/p>\n

\u0110\u1eb7c bi\u1ec7t ph\u01b0\u01a1ng ph\u00e1p x\u00e1c th\u1ef1c danh t\u00ednh, ph\u01b0\u01a1ng th\u1ee9c l\u01b0u tr\u1eef li\u1ec7u, chuy\u1ec3n giao v\u00e0 x\u00e1c minh th\u00f4ng tin nh\u1ea1y c\u1ea3m c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00ed m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t h\u01a1n. V\u00ec v\u1eady c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u00e3 tin t\u01b0\u1edfng v\u00e0o m\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n trong Blockchain, m\u1ed9t m\u1ea1ng l\u01b0\u1edbi an to\u00e0n v\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng kh\u00e1 th\u00e0nh c\u00f4ng v\u00e0o l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh.<\/p>\n

Blockchain c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng v\u00e0o h\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng s\u1ed1 nh\u01b0 th\u1ebf n\u00e0o ?<\/strong><\/h2>\n

Theo nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, khi m\u1ed9t t\u1ec7p \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u00ean h\u1ec7 th\u1ed1ng Blockchain. T\u00ednh x\u00e1c th\u1ef1c c\u1ee7a n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1edfi s\u1ef1 \u0111\u1ed3ng thu\u1eadn c\u1ee7a nhi\u1ec1u Node trong m\u1ea1ng l\u01b0\u1edbi. Th\u00f4ng tin c\u00f2n \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt tuy\u1ec7t \u0111\u1ed1i trong c\u00e1c kh\u1ed1i (Block) v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u00ednh h\u1ee3p l\u1ec7 (d\u1eef li\u1ec7u) b\u1edfi c\u00e1c Node x\u00e1c th\u1ef1c.<\/p>\n

Trong m\u1ed9t ti\u1ebfn tr\u00ecnh x\u00e1c th\u1ef1c, c\u00e1c Node trong m\u1ea1ng l\u01b0\u1edbi Blockchain \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n ho\u1eb7c c\u00e1c t\u1ed5 ch\u1ee9c ch\u00ednh ph\u1ee7. \u0110\u1ed3ng th\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u00e1c minh v\u00e0 x\u00e1c nh\u1eadn c\u00e1c h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n

\"M\u1ed7i
M\u1ed7i ch\u1eef c\u00e1i s\u1ebd t\u01b0\u1ee3ng tr\u01b0ng cho m\u1ed9t Node trong m\u1ea1ng l\u01b0\u1edbi Blockchain<\/figcaption><\/figure>\n

X\u00e1c th\u1ef1c danh t\u00ednh tr\u00ean Blockchain c\u00f3 b\u1ecb l\u1ed9 th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng?<\/strong><\/h2>\n

H\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng s\u1ed1 d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng Blockchain kh\u00f4ng y\u00eau c\u1ea7u chia s\u1ebb th\u00f4ng tin x\u00e1c th\u1ef1c danh t\u00ednh tr\u1ef1c ti\u1ebfp.\u00a0Thay v\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c kh\u00f3a \u0111\u00e3 m\u00e3 h\u00f3a ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c h\u00e0m b\u0103m (Hashing Functions), ch\u1eef k\u00fd s\u1ed1 (digital signatures) v\u00e0 b\u1eb1ng ch\u1ee9ng Zero-knowledge Proofs.<\/p>\n

B\u1eb1ng ch\u1ee9ng kh\u00f4ng ki\u1ebfn \u200b\u200bth\u1ee9c (zero-knowledge-proofs) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng x\u00e1c nh\u1eadn s\u1ed1, v\u00ec n\u00f3\u00a0gi\u00fap cho c\u00e1c th\u00f4ng tin c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c m\u00e0 kh\u00f4ng b\u1ecb ti\u1ebft l\u1ed9 ra b\u00ean ngo\u00e0i.<\/p>\n

Th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n b\u0103m (hashing functions), d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c b\u0103m nh\u1ecf th\u00e0nh m\u1ed9t chu\u1ed7i d\u00e0i g\u1ed3m c\u00e1c ch\u1eef c\u00e1i v\u00e0 ch\u1eef s\u1ed1. \u0110o\u1ea1n m\u00e3 n\u00e0y s\u1ebd gi\u00fap x\u00e1c th\u1ef1c danh t\u00ednh cho ng\u01b0\u1eddi d\u00f9ng. Ch\u00ednh ph\u1ee7 ho\u1eb7c c\u00e1c t\u1ed5 ch\u1ee9c ch\u1ec9 c\u1ea7n x\u00e1c th\u1ef1c c\u00e1c \u0111o\u1ea1n m\u00e3 tr\u00ean h\u00e0m b\u0103m, sau \u0111\u00f3 ki\u1ec3m tra \u0111o\u1ea1n m\u00e3 \u0111\u00f3 c\u00f3 trong c\u01a1 s\u1edf d\u1eef li\u1ec7u hay kh\u00f4ng l\u00e0 c\u00f3 th\u1ec3 x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c danh t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n xem chi ti\u1ebft danh t\u00ednh.<\/p>\n

M\u1ed9t \u1ee9ng d\u1ee5ng x\u00e1c nh\u1eadn danh t\u00ednh CIVIC \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 s\u00e1ng l\u1eadp \u1ee9ng d\u1ee5ng v\u00e0o doanh nghi\u1ec7p. B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o trang ch\u1ee7 c\u1ee7a Civic t\u1ea1i \u0111\u00e2y<\/a>!<\/p>\n

M\u1ea1ng Civic ch\u1ee9a ba th\u1ef1c th\u1ec3 kh\u00e1c nhau: ng\u01b0\u1eddi d\u00f9ng, ng\u01b0\u1eddi x\u00e1c nh\u1eadn v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.\u00a0Ng\u01b0\u1eddi d\u00f9ng l\u00e0 b\u1ea5t c\u1ee9 ai mu\u1ed1n s\u1eed d\u1ee5ng giao th\u1ee9c \u0111\u1ec3 \u0111\u0103ng k\u00fd danh t\u00ednh.\u00a0Civic l\u00e0m \u0111i\u1ec1u n\u00e0y d\u1ec5 d\u00e0ng v\u00e0 an to\u00e0n v\u1edbi\u00a0\u1ee9ng d\u1ee5ng\u00a0Secure Identity\u00a0(Nh\u1eadn d\u1ea1ng an to\u00e0n).<\/p>\n

\"Nh\u1eadn
Nh\u1eadn d\u1ea1ng s\u1ed1 tr\u00ean n\u1ec1n t\u1ea3ng Blockchain – Civic<\/figcaption><\/figure>\n

Nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng<\/strong><\/h2>\n

H\u1ec7 th\u1ed1ng Blockchain tuy c\u00f3 t\u00ednh b\u1ea3o m\u1eadt cao nh\u01b0ng v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ea5n c\u00f4ng n\u00f3. B\u1ecdn t\u1ed9i ph\u1ea1m c\u00f3 th\u1ec3 l\u1ea5y danh t\u00ednh t\u1eeb nh\u1eefng ng\u01b0\u1eddi m\u00e0 ch\u00fang c\u01b0\u1edbp th\u00f4ng tin \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u00e0m b\u1eb1ng ch\u1ee9ng x\u00e1c th\u1ef1c. Sau \u0111\u00f3, nh\u1eadn c\u00e1c kh\u00f3a x\u00e1c th\u1ef1c \u0111\u1ec3 \u0111\u00e1nh chi\u1ebfm c\u00e1c t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng t\u1eeb ng\u01b0\u1eddi d\u00f9ng n\u1ebfu ng\u00e2n h\u00e0ng c\u00f3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c n\u00e0y.<\/p>\n

Th\u1ebf n\u00ean, \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng s\u1ed1 \u0111\u00e3 s\u1eed d\u1ee5ng th\u00eam ch\u1eef k\u00fd s\u1ed1 \u0111\u1ec3 ng\u0103n ng\u1eeba vi\u1ec7c l\u00e0m gi\u1ea3 th\u00f4ng tin x\u00e1c th\u1ef1c, c\u00e1c t\u00e0i li\u1ec7u s\u1ebd kh\u00f4ng th\u1ec3 b\u1ecb x\u00e2m nh\u1eadp n\u1ebfu thi\u1ebfu ch\u1eef k\u00ed n\u00e0y.<\/p>\n

\"Kh\u00f3
Kh\u00f3 kh\u0103n trong h\u1ec7 th\u1ed1ng nh\u1eadn d\u1ea1ng danh t\u00ednh<\/figcaption><\/figure>\n

M\u1ed9t h\u1ea1n ch\u1ebf n\u1eefa trong m\u1ea1ng l\u01b0\u1edbi Blockchain \u0111\u00f3 l\u00e0 s\u1ef1 phi\u1ec1n ph\u1ee9c t\u1eeb nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng 51%. Nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c m\u1ea1ng l\u01b0\u1edbi c\u1ed9ng \u0111\u1ed3ng ho\u1eb7c h\u1ec7 th\u1ed1ng Blockchain nh\u1ecf. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i blockchain c\u1ee7a to\u00e0n m\u1ea1ng l\u01b0\u1edbi. V\u00ec Blockchain \u0111\u1ed9ng \u0111\u1ed3ng l\u00e0 n\u01a1i b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 tham gia, t\u1ed9i ph\u1ea1m c\u00f3 th\u1ec3 l\u1ebbn v\u00e0o \u0111\u1ec3 t\u1ed5 ch\u1ee9c m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng 51% nh\u1eb1m chi\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t m\u1ea1ng l\u01b0\u1edbi \u0111\u00f3.<\/p>\n

L\u1eddi k\u1ebft<\/strong><\/h2>\n

M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf tr\u00ean, c\u00f4ng ngh\u1ec7 Blockchain v\u1eabn \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao \u0111\u1ec3 thay \u0111\u1ed5i c\u00e1ch th\u1ee9c x\u00e1c minh, l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 nh\u1eadn d\u1ea1ng s\u1ed1. Nhi\u1ec1u qu\u1ed1c gia ph\u00e1t tri\u1ec3n \u0111ang c\u1ed1 g\u1eafng c\u1ea3i thi\u1ec7n ch\u00fang \u0111\u1ec3 c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng nhi\u1ec1u h\u01a1n.<\/p>\n

C\u00f3 th\u1ec3 \u1edf Vi\u1ec7t Nam nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y xu\u1ea5t hi\u1ec7n ch\u01b0a nhi\u1ec1u n\u00ean b\u1ea1n ch\u01b0a th\u1ea5y \u0111\u01b0\u1ee3c. Nh\u01b0ng trong t\u01b0\u01a1ng lai g\u1ea7n c\u00f3 th\u1ec3 Blockchain c\u00f3 th\u1ec3 l\u00e0 trung t\u00e2m c\u1ee7a m\u1ecdi c\u00f4ng ngh\u1ec7, \u0111em l\u1ea1i ngu\u1ed3n l\u1ee3i l\u1edbn cho doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

\u0110\u1ecdc th\u00eam:\u00a0\u1ee8ng d\u1ee5ng Blockchain trong l\u0129nh v\u1ef1c Qu\u1ea3n tr\u1ecb c\u00f4ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong c\u00e1c \u1ee9ng d\u1ee5ng Blockchain m\u00e0 BitcoinVN News \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf nh\u1eefng b\u00e0i tr\u01b0\u1edbc. Th\u00ec c\u00f3 l\u1ebd \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c danh t\u00ednh v\u00e0 nh\u1eadn d\u1ea1ng s\u1ed1 l\u00e0 \u1ee9ng d\u1ee5ng th\u00edch h\u1ee3p v\u1edbi nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u tr\u00fac m\u1ea1ng l\u01b0\u1edbi phi t\u1eadp trung c\u1ee7a Blockchain. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i […]<\/p>\n","protected":false},"author":11,"featured_media":4868,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[4762],"class_list":["post-4867","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topic-guide","tag-ung-dung-blockchain"],"yoast_head":"\n\u1ee8ng d\u1ee5ng Blockchain trong l\u0129nh v\u1ef1c Nh\u1eadn d\u1ea1ng s\u1ed1 - BitcoinVN News<\/title>\n<meta name=\"description\" content=\"Nh\u1eadn d\u1ea1ng s\u1ed1 blockchain c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng c\u00f9ng v\u1edbi v\u1ea5n \u0111\u1ec1 an to\u00e0n d\u1eef li\u1ec7u.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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