Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
C\u00f4ng ngh\u1ec7 blockchain \u0111\u01b0\u1ee3c coi l\u00e0 \u201cch\u00eca kh\u00f3a\u201d th\u00e0nh c\u00f4ng cho s\u1ef1 chuy\u1ec3n \u0111\u1ed5i v\u00e0 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 nh\u1ea5t l\u00e0 trong th\u1eddi bu\u1ed5i c\u00f4ng ngh\u1ec7 4.0 hi\u1ec7n nay. \u0110\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng tin chi ti\u1ebft v\u1ec1 kh\u00e1i ni\u1ec7m blockchain l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i, ph\u01b0\u01a1ng th\u1ee9c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? qu\u00fd b\u1ea1n \u0111\u1ecdc \u0111\u1eebng b\u1ecf l\u1ee1 n\u1ed9i dung th\u00f4ng tin trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n
T\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng ngh\u1ec7 blockchain<\/p>\n\n\n\n
Blockchain l\u00e0 g\u00ec? Blockchain technology l\u00e0 g\u00ec?<\/p>\n\n\n\n
Blockchain l\u00e0 c\u00f4ng ngh\u1ec7 chu\u1ed7i \u2013 kh\u1ed1i, gi\u00fap \u00edch cho vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nhanh ch\u00f3ng, an to\u00e0n d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng m\u00e3 h\u00f3a v\u00f4 c\u00f9ng ph\u1ee9c t\u1ea1p; n\u00f3 gi\u1ed1ng nh\u01b0 cu\u1ed1n s\u1ed5 k\u1ebf to\u00e1n c\u1ee7a m\u1ed9t c\u00f4ng ty. C\u00e1c kh\u1ed1i th\u00f4ng tin n\u00e0y s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u00e0 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo th\u1eddi gian. V\u00e0 ch\u00fang \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi ng\u01b0\u1eddi tham gia h\u1ec7 th\u1ed1ng ch\u1ee9 kh\u00f4ng qua b\u1ea5t k\u1ef3 \u0111\u01a1n v\u1ecb trung gian n\u00e0o. Ngh\u0129a l\u00e0 khi m\u1ed9t kh\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c ghi v\u00e0o h\u1ec7 th\u1ed1ng blockchain th\u00ec kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o thay \u0111\u1ed5i \u0111\u01b0\u1ee3c m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 b\u1ed5 sung khi \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng thu\u1eadn t\u1eeb m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n
Kh\u00e1i ni\u1ec7m c\u00f4ng ngh\u1ec7 blockchain l\u00e0 g\u00ec c\u00f2n \u0111\u01b0\u1ee3c hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef, truy\u1ec1n t\u1ea3i th\u00f4ng tin b\u1eb1ng c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau v\u00e0 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng theo th\u1eddi gian. M\u1ed7i kh\u1ed1i s\u1ebd ch\u1ee9a \u0111\u1ef1ng nhi\u1ec1u th\u00f4ng tin kh\u00e1c nhau v\u1ec1 th\u1eddi gian kh\u1edfi t\u1ea1o v\u00e0 li\u00ean k\u1ebft v\u1edbi c\u00e1c kh\u1ed1i tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n
C\u00f4ng ngh\u1ec7 blockchain \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf<\/a> v\u1edbi m\u1ee5c \u0111\u00edch \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 thay \u0111\u1ed5i d\u1eef li\u1ec7u. D\u1eef li\u1ec7u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ea1ng l\u01b0\u1edbi ch\u1ea5p nh\u1eadn th\u00ec s\u1ebd kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o thay \u0111\u1ed5i \u0111\u01b0\u1ee3c. B\u00ean c\u1ea1nh \u0111\u00f3, n\u00f3 c\u00f2n gi\u00fap gi\u1ea3m r\u1ee7i ro, ng\u0103n ch\u1eb7n s\u1ef1 gian l\u1eadn v\u00e0 s\u1ef1 minh b\u1ea1ch.<\/p>\n\n\n\n C\u00f4ng ngh\u1ec7 blockchain l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa 3 lo\u1ea1i c\u00f4ng ngh\u1ec7, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n M\u1eadt m\u00e3 h\u1ecdc: S\u1eed d\u1ee5ng public key v\u00e0 h\u00e0m hash function \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00ednh minh b\u1ea1ch, to\u00e0n v\u1eb9n v\u00e0 s\u1ef1 ri\u00eang t\u01b0.<\/p>\n\n\n\n M\u1ea1ng ngang h\u00e0ng: M\u1ed7i m\u1ed9t n\u00fat trong m\u1ea1ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t client v\u00e0 c\u0169ng l\u00e0 server \u0111\u1ec3 l\u01b0u tr\u1eef b\u1ea3n sao c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n L\u00fd thuy\u1ebft tr\u00f2 ch\u01a1i: T\u1ea5t c\u1ea3 c\u00e1c n\u00fat tham gia v\u00e0o h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u1ec1u ph\u1ea3i tu\u00e2n th\u1ee7 lu\u1eadt ch\u01a1i \u0111\u1ed3ng thu\u1eadn v\u00e0 \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a kinh t\u1ebf.<\/p>\n\n\n\n Ph\u00e2n lo\u1ea1i c\u00f4ng ngh\u1ec7 blockchain<\/p>\n\n\n\n C\u0103n c\u1ee9 v\u00e0o nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau, ng\u01b0\u1eddi ta chia blockchain th\u00e0nh 3 lo\u1ea1i ch\u00ednh, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n Public: B\u1ea5t k\u1ef3 ai c\u0169ng \u0111\u1ec1u c\u00f3 quy\u1ec1n \u0111\u1ecdc v\u00e0 ghi d\u1eef li\u1ec7u tr\u00ean blockchain. Qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c giao d\u1ecbch tr\u00ean blockchain \u0111\u00f2i h\u1ecfi c\u1ea7n nhi\u1ec1u b\u00ean tham gia. V\u1eady n\u00ean, mu\u1ed1n t\u1ea5n c\u00f4ng \u0111\u01b0\u1ee3c v\u00e0o h\u1ec7 th\u1ed1ng n\u00e0y th\u00ec c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t kho\u1ea3n chi ph\u00ed l\u1edbn.<\/p>\n\n\n\n Private: B\u1ea1n s\u1ebd kh\u00f4ng c\u00f3 quy\u1ec1n ghi l\u1ea1i d\u1eef li\u1ec7u v\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd thu\u1ed9c v\u1ec1 t\u1ed5 ch\u1ee9c th\u1ee9 ba c\u00f3 s\u1ef1 tin c\u1eady cao. V\u00ec l\u00e0 m\u1ed9t Private blockchain n\u00ean th\u1eddi gian x\u00e1c nh\u1eadn giao d\u1ecbch r\u1ea5t nhanh v\u00e0 ch\u1ec9 c\u1ea7n m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf thi\u1ebft b\u1ecb tham gia v\u00e0o qu\u00e1 tr\u00ecnh giao d\u1ecbch.<\/p>\n\n\n\n Permissioned (hay c\u00f2n g\u1ecdi l\u00e0 Consortium): L\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a Private nh\u01b0ng \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng kh\u00e1c; v\u00e0 \u0111\u00e2y ch\u00ednh l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a Private v\u00e0 Public.<\/p>\n\n\n\n Blockchain \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n \u0110\u1ed3ng ti\u1ec1n \u0111i\u1ec7n t\u1eed l\u00e0 \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00e0 th\u1ea3o lu\u1eadn nhi\u1ec1u nh\u1ea5t khi nh\u1eafc t\u1edbi c\u00f4ng ngh\u1ec7 blockchain.Bitcoin l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb ti\u1ec1n t\u1ec7 k\u1ef9 thu\u1eadt s\u1ed1 v\u1edbi m\u00e3 l\u00e0 BTC, kh\u00f4ng mang gi\u00e1 tr\u1ecb v\u00e0 ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb b\u1edfi m\u1ed9t c\u00f4ng \u0111\u1ed3ng \u0111\u1ed3ng \u00fd s\u1eed d\u1ee5ng n\u00f3 l\u00e0m \u0111\u01a1n v\u1ecb giao d\u1ecbch h\u00e0ng h\u00f3a v\u00e0 d\u1ecbch v\u1ee5.<\/p>\n\n\n\n \u0110\u1ec3 theo d\u00f5i l\u01b0\u1ee3ng Bitcoin, ng\u01b0\u1eddi s\u1edf h\u1eefu s\u1ebd s\u1eed d\u1ee5ng t\u1edbi cu\u1ed1n s\u1ed5 k\u1ebf to\u00e1n, v\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 Blockchain v\u00e0 th\u1ef1c th\u1ebf n\u00f3 l\u00e0 m\u1ed9t t\u1ec7p k\u1ef9 thu\u1eadt s\u1ed1 k\u00e8m theo c\u00e1c giao d\u1ecbch Bitcoin. T\u1ec7p s\u1ed5 c\u00e1i n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong m\u00e1y ch\u1ee7 trung t\u00e2m m\u00e0 n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i tr\u00ean to\u00e0n th\u1ebf gi\u1edbi th\u00f4ng qua m\u1ed9t m\u1ea1ng l\u01b0\u1edbi l\u00e0 c\u00e1c m\u00e1y t\u00ednh ngang h\u00e0ng v\u1edbi vai tr\u00f2 l\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u, th\u1ef1c thi c\u00e1c t\u00ednh to\u00e1n. M\u1ed7i m\u1ed9t m\u00e1y t\u00ednh s\u1ebd \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u201cn\u00fat\u201d v\u00e0 m\u1ed7i n\u00fat \u0111\u1ec1u c\u00f3 m\u1ed9t b\u1ea3n sao c\u1ee7a t\u1ec7p s\u1ed5 c\u00e1i n\u00e0y.<\/p>\n\n\n\n \u0110\u1ec3 m\u1ed9t block \u2013 kh\u1ed1i th\u00f4ng tin \u0111\u01b0\u1ee3c th\u00eam v\u00e0o blockchain c\u1ea7n ph\u1ea3i c\u00f3 4 y\u1ebfu t\u1ed1, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n Ph\u1ea3i c\u00f3 giao d\u1ecbch: Ngh\u0129a l\u00e0 ph\u1ea3i c\u00f3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng mua b\u00e1n, trao \u0111\u1ed5i di\u1ec5n ra.<\/p>\n\n\n\n Giao d\u1ecbch \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh: M\u1ecdi th\u00f4ng tin li\u00ean quan t\u1edbi giao d\u1ecbch nh\u01b0 th\u1eddi gian, \u0111\u1ecba \u0111i\u1ec3m, ng\u01b0\u1eddi tham gia,\u2026v\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i.<\/p>\n\n\n\n Giao d\u1ecbch \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong block: B\u1ea5t c\u1ee9 l\u00fac n\u00e0o b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 xem \u0111\u01b0\u1ee3c th\u00f4ng tin \u0111\u01a1n h\u00e0ng m\u00e0 b\u1ea1n \u0111\u00e3 th\u1ef1c hi\u1ec7n, b\u1edfi ch\u00fang \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong \u201cQu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng\u201d.<\/p>\n\n\n\n Block ph\u1ea3i nh\u1eadn \u0111\u01b0\u1ee3c hash (h\u00e0m chuy\u1ec3n \u0111\u1ed5i m\u1ed9t gi\u00e1 tr\u1ecb sang gi\u00e1 tr\u1ecb kh\u00e1c): Ch\u1ec9 khi nh\u1eadn \u0111\u01b0\u1ee3c hash th\u00ec block m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o blockchain.<\/p>\n\n\n\n C\u00f4ng ngh\u1ec7 Blockchain cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng trao \u0111\u1ed5i t\u00e0i s\u1ea3n v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c giao d\u1ecbch m\u00e0 kh\u00f4ng c\u1ea7n t\u1edbi s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a ng\u01b0\u1eddi th\u1ee9 3 ho\u1eb7c kh\u00f4ng c\u1ea7n d\u1ef1a tr\u00ean s\u1ef1 tin t\u01b0\u1edfng. N\u00f3i c\u00e1ch kh\u00e1c th\u00ec \u0111\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng cho s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh.<\/p>\n\n\n\n C\u00f4ng ngh\u1ec7 blockchain c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt sau:<\/p>\n\n\n\n Kh\u00f4ng th\u1ec3 l\u00e0m gi\u1ea3, kh\u00f4ng th\u1ec3 ph\u00e1 h\u1ee7y c\u00e1c blockchain: Theo l\u00fd thuy\u1ebft th\u00ec ch\u1ec9 c\u00f3 m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed th\u00ec m\u1edbi c\u00f3 th\u1ec3 gi\u1ea3i m\u00e3 \u0111\u01b0\u1ee3c blockchain v\u00e0 c\u00f4ng ngh\u1ec7 blockchain ch\u1ec9 bi\u1ebfn m\u1ea5t khi kh\u00f4ng c\u00f2n m\u1ea1ng internet tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n\n\n\n H\u1ee3p \u0111\u1ed3ng th\u00f4ng minh: L\u00e0 c\u00e1c h\u1ee3p \u0111\u1ed3ng k\u1ef9 thu\u1eadt s\u1ed1, \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o c\u00e1c \u0111o\u1ea1n code if-this-then-that (IFTTT) v\u00e0 cho ph\u00e9p ch\u00fang th\u1ecb th\u1ef1c m\u00e0 kh\u00f4ng c\u1ea7n t\u1edbi b\u00ean th\u1ee9 3.<\/p>\n\n\n\n Minh b\u1ea1ch: B\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 theo d\u00f5i d\u1eef li\u1ec7u blockchain ch\u1ec9 c\u1ea7n \u0111i t\u1eeb \u0111\u1ecba ch\u1ec9 n\u00e0y t\u1edbi \u0111\u1ecba ch\u1ec9 kh\u00e1c l\u00e0 c\u00f3 th\u1ec3 th\u1ed1ng k\u00ea to\u00e0n b\u1ed9 l\u1ecbch s\u1eed tr\u00ean \u0111\u00f3.<\/p>\n\n\n\n B\u1ea3o m\u1eadt: C\u00e1c th\u00f4ng tin, d\u1eef li\u1ec7u trong blockchain \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n v\u00e0 tuy\u1ec7t \u0111\u1ed1i an to\u00e0n.<\/p>\n\n\n\n B\u1ea5t bi\u1ebfn: D\u1eef li\u1ec7u trong blockchain kh\u00f4ng th\u1ec3 s\u1eeda v\u00e0 s\u1ebd l\u01b0u tr\u1eef tr\u00ean h\u1ec7 th\u1ed1ng m\u00e3i m\u00e3i.<\/p>\n\n\n\n C\u00e1ch s\u1eed d\u1ee5ng blockchain \u0111\u01a1n gi\u1ea3n<\/p>\n\n\n\n Ph\u00ed giao d\u1ecbch blockchain bao nhi\u00eau?<\/p>\n\n\n\n Giao d\u1ecbch ti\u1ec1n \u0111i\u1ec7n t\u1eed blockchain th\u01b0\u1eddng kh\u00f4ng c\u1ed1 \u0111\u1ecbnh, ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. Khi x\u00e1c \u0111\u1ecbnh ph\u00ed giao d\u1ecbch trong blockchain, ng\u01b0\u1eddi d\u00f9ng s\u1ebd xem x\u00e9t giao d\u1ecbch n\u00e0o c\u00f3 m\u1ee9c ph\u00ed cao nh\u1ea5t. N\u1ebfu nh\u01b0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng tr\u1ea3 \u0111\u1ee7 l\u1ec7 ph\u00ed th\u00ec c\u00f3 th\u1ec3 s\u1ebd khi\u1ebfn cho giao d\u1ecbch c\u1ee7a m\u00ecnh b\u1ecb k\u1eb9t trong m\u1ed9t th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n C\u00e1ch t\u1ea1o v\u00ed tr\u00ean blockchain<\/p>\n\n\n\n B\u01b0\u1edbc 1: B\u1ea1n truy c\u1eadp v\u00e0o trang website v\u00e0 \u0111\u0103ng k\u00fd t\u1ea1i https:\/\/login.blockchain.com\/#\/signup<\/p>\n\n\n\n B\u01b0\u1edbc 2: \u0110i\u1ec1n \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00f4ng tin, x\u00e1c nh\u1eadn v\u00e0 \u0111\u00e1nh d\u1ea5u \u0111\u00e3 \u0111\u1ecdc c\u00e1c \u0111i\u1ec1u kho\u1ea3n d\u1ecbch v\u1ee5; sau \u0111\u00f3 nh\u1ea5n ch\u1ecdn \u201c\u201cCreate My Wallet\u201d.<\/p>\n\n\n\n B\u01b0\u1edbc 3: M\u1edf h\u1ed9p th\u01b0 email \u0111\u00e3 \u0111\u0103ng k\u00fd, x\u00e1c nh\u1eadn b\u1eb1ng c\u00e1ch \u1ea5n v\u00e0o n\u00fat x\u00e1c th\u1ef1c trong th\u01b0. V\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i l\u01b0u ID \u0111\u00ednh k\u00e8m th\u00ec m\u1edbi c\u00f3 th\u1ec3 d\u00f9ng n\u00f3 \u0111\u1ec3 \u0111\u0103ng nh\u1eadp.<\/p>\n\n\n\n B\u01b0\u1edbc 4: B\u1ea1n c\u00e0i \u0111\u1eb7t c\u00e1c h\u00ecnh th\u1ee9c b\u1ea3o m\u1eadt cho v\u00ed, c\u00f3 3 c\u1ea5p \u0111\u1ed9 m\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n C\u00e1ch g\u1eedi bitcoin b\u1eb1ng blockchain<\/p>\n\n\n\n B\u01b0\u1edbc 1: \u0110\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n m\u00e0 b\u1ea1n \u0111\u00e3 th\u00f4ng tin \u0111\u0103ng k\u00fd, nh\u1ea5n \u201csend\u201d khi mu\u1ed1n chuy\u1ec3n Bitcoin ho\u1eb7c Request \u0111\u1ec3 nh\u1eadn bitcoin t\u1eeb v\u00ed kh\u00e1c.<\/p>\n\n\n\n B\u01b0\u1edbc 2: G\u1eedi bitcoin b\u1eb1ng blockchain<\/p>\n\n\n\n Currency: Ch\u1ecdn lo\u1ea1i bitcoin mu\u1ed1n g\u1eedi<\/p>\n\n\n\n To: \u0110\u1ecba ch\u1ec9 nh\u1eadn coin<\/p>\n\n\n\n Amount: S\u1ed1 l\u01b0\u1ee3ng bitcoin c\u1ea7n g\u1eedi<\/p>\n\n\n\n Description: M\u00f4 t\u1ea3<\/p>\n\n\n\n Transaction fee: Ch\u1ecdn ch\u1ebf \u0111\u1ed9 m\u1eb7c \u0111\u1ecbnh Regular.<\/p>\n\n\n\n C\u00e1ch nh\u1eadn\/chuy\u1ec3n \u0111\u1ed5i khi mua bitcoin tr\u00ean blockchain<\/p>\n\n\n\n \u0110\u1ec3 nh\u1eadn bitcoin tr\u00ean blockchain, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1ea5n copy link v\u00e0 g\u1eedi cho ng\u01b0\u1eddi chuy\u1ec3n bitcoin cho b\u1ea1n. Trong tr\u01b0\u1eddng h\u1ee3p mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c lo\u1ea1i coin, b\u1ea1n ch\u1ecdn \u201cexchange\u201d, ch\u1ecdn c\u1eb7p mu\u1ed1n \u0111\u1ed5i v\u00e0 nh\u1eadp s\u1ed1 l\u01b0\u1ee3ng c\u1ea7n chuy\u1ec3n.<\/p>\n\n\n\n Blockchain 1.0<\/p>\n\n\n\n Ti\u1ec1n t\u1ec7 v\u00e0 thanh to\u00e1n: \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n s\u01a1 khai \u0111\u1ea7u ti\u00ean c\u1ee7a blockchain. Phi\u00ean b\u1ea3n n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00e0o c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan t\u1edbi ti\u1ec1n m\u00e3 h\u00f3a bao g\u1ed3m chuy\u1ec3n \u0111\u1ed5i ti\u1ec1n t\u1ec7, ki\u1ec1u h\u1ed3i, t\u1ea1o l\u1eadp h\u1ec7 th\u1ed1ng thanh to\u00e1n k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n Blockchain 2.0<\/p>\n\n\n\n T\u00e0i ch\u00ednh th\u1ecb tr\u01b0\u1eddng: L\u00e0 phi\u00ean b\u1ea3n th\u1ee9 2 c\u1ee7a Blockchain. \u0110\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong qu\u1ea3n l\u00fd ng\u00e2n h\u00e0ng, \u0111\u1ed3ng th\u1eddi m\u1edf r\u1ed9ng quy m\u00f4 c\u1ee7a n\u00f3. Vi\u1ec7c \u0111\u01b0a blockchain t\u00edch h\u1ee3p v\u00e0o \u1ee9ng d\u1ee5ng t\u00e0i ch\u00ednh th\u1ecb tr\u01b0\u1eddng. C\u00e1c lo\u1ea1i t\u00e0i s\u1ea3n s\u1ebd bao g\u1ed3m c\u1ed5 phi\u1ebfu, phi\u1ebfu chi, chi n\u1ee3 v\u00e0 quy\u1ec1n s\u1edf h\u1eefu v\u00e0 b\u1ea5t k\u1ef3 nh\u1eefng th\u1ee9 g\u00ec li\u00ean quan t\u1edbi th\u1ecfa thu\u1eadn hay h\u1ee3p \u0111\u1ed3ng.<\/p>\n\n\n\n Blockchain 3.0<\/p>\n\n\n\n Thi\u1ebft k\u1ebf<\/a> v\u00e0 gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng: L\u00e0 phi\u00ean b\u1ea3n cao nh\u1ea5t c\u1ee7a blockchain t\u00ednh t\u1edbi th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i. Phi\u00ean b\u1ea3n Blockchain 3.0 \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u1ee7a l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh, n\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nh\u01b0 gi\u00e1o d\u1ee5c, ch\u00ednh ph\u1ee7, ngh\u1ec7 thu\u1eadt,\u2026<\/p>\n\n\n\n C\u00f3 c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn trong blockchain n\u00e0o?<\/p>\n\n\n\n C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn trong blockchain ch\u00ednh l\u00e0 c\u00e1ch th\u1ee9c m\u00e0 ng\u01b0\u1eddi qu\u1ea3n l\u00fd trong h\u1ec7 th\u1ed1ng blockchain c\u00f3 th\u1ec3 \u0111\u1ed3ng \u00fd m\u1ed9t giao d\u1ecbch n\u00e0o \u0111\u00f3 x\u1ea3y ra trong h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn ch\u00ednh l\u00e0:<\/p>\n\n\n\n Proof of work: L\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Bitcoin, Ethereum, Litecoin, Dogecoin v\u00e0 nhi\u1ec1u lo\u1ea1i ti\u1ec1n m\u00e3 h\u00f3a kh\u00e1c. C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng thu\u1eadn n\u00e0y ti\u00eau t\u1ed1n kh\u00e1 nhi\u1ec1u \u0111i\u1ec7n n\u0103ng.<\/p>\n\n\n\n Proof of Stake: L\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn \u0111\u01b0\u1ee3c d\u00f9ng trong Decred, Peercoin v\u00e0 t\u01b0\u01a1ng lai l\u00e0 Ethereum v\u00e0 c\u00e1c lo\u1ea1i ti\u1ec1n m\u00e3 ho\u00e1 kh\u00e1c. C\u01a1 ch\u1ebf n\u00e0y c\u00f3 ph\u00e2n c\u1ea5p th\u1ea5p h\u01a1n, ti\u00eau hao \u00edt n\u0103ng l\u01b0\u1ee3ng, kh\u00f4ng d\u1ec5 b\u1ecb \u0111e d\u1ecda.<\/p>\n\n\n\n Delegated Proof-of-Stake: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong Steemit, EOS, BitShares. C\u01a1 ch\u1ebf n\u00e0y c\u00f3 chi ph\u00ed giao d\u1ecbch r\u1ebb, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao. V\u00ec n\u00f3 v\u1eabn theo ph\u01b0\u01a1ng h\u01b0\u1edbng t\u1eadp trung n\u00ean thu\u1eadt to\u00e1n n\u00e0y s\u1ebd l\u1ef1a ch\u1ecdn ng\u01b0\u1eddi \u0111\u00e1ng tin c\u1eady qu\u1ef7 quy\u1ec1n.<\/p>\n\n\n\n Proof of Authority: Th\u01b0\u1eddng th\u1ea5y trong POA, Network, Ethereum Kovan testnet. C\u01a1 ch\u1ebf n\u00e0y c\u00f3 hi\u1ec7u su\u1ea5t cao, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t.<\/p>\n\n\n\n Proof-of-Weight: \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn trong Algorand, Filecoin. C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t. Th\u1ebf nh\u01b0ng, qu\u00e1 tr\u00ecnh th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n s\u1ebd l\u00e0 th\u00e1ch th\u1ee9c l\u1edbn.<\/p>\n\n\n\n Byzantine Fault Tolerance: L\u00e0 c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn trong Hyperledger, Stellar, Dispatch, v\u00e0 Ripple. C\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn c\u00f3 n\u0103ng su\u1ea5t cao, chi ph\u00ed th\u1ea5p, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao.<\/p>\n\n\n\n H\u1ea1n ch\u1ebf c\u1ee7a blockchain<\/p>\n\n\n\n M\u1eb7c d\u00f9 s\u1edf h\u1eefu nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u01b0ng c\u00f4ng ngh\u1ec7 blockchain v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf sau:<\/p>\n\n\n\n Ti\u00eau t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng: M\u1ed7i m\u1ed9t blockchain \u0111\u00e3 sao ch\u00e9p \u0111\u1ebfn m\u1ecdi n\u00fat blockchain \u0111\u1ec1u t\u1ea1o ra s\u1ef1 c\u1ed1 d\u01b0 th\u1eeba. M\u1ed7i giao d\u1ecbch c\u0169ng ph\u1ea3i x\u00e1c nh\u1eadn nhi\u1ec1u l\u1ea7n v\u00ec c\u00f3 nhi\u1ec1u n\u00fat tr\u00ean m\u1ea1ng. Do \u0111\u00f3 n\u00f3 \u0111\u00f2i h\u1ecfi l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 l\u00e0 r\u1ea5t l\u1edbn.<\/p>\n\n\n\n T\u1ed1n nhi\u1ec1u kh\u00f4ng gian l\u01b0u tr\u1eef: \u0110\u1ec3 s\u1eed d\u1ee5ng n\u00fat Node tr\u00ean blockchain bitcoin b\u1ea1n s\u1ebd c\u1ea7n ph\u1ea3i t\u1ea3i xu\u1ed1ng 60GB d\u1eef li\u1ec7u. N\u1ebfu nh\u01b0 th\u1ecb tr\u01b0\u1eddng ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n m\u1ea1nh th\u00ec s\u1ebd c\u00f3 nhi\u1ec1u blockchain v\u1edbi dung l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh.<\/p>\n\n\n\n Kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ea3o ng\u01b0\u1ee3c: Khi \u0111\u1eb7t m\u1ed9t th\u1ee9 g\u00ec \u0111\u00f3 tr\u00ean c\u00f4ng ngh\u1ec7 blockchain b\u1ea1n c\u1ea7n ph\u1ea3i ch\u1eafc ch\u1eafn v\u00ec giao d\u1ecbch m\u1ed9t khi \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00ec kh\u00f4ng th\u1ec3 l\u00e0m l\u1ea1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n \u1ee8ng d\u1ee5ng c\u1ee7a k\u1ef9 thu\u1eadt blockchain<\/p>\n\n\n\n Blockchain \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n Trong th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/p>\n\n\n\n H\u00e0ng lo\u1ea1t c\u00e1c b\u1ea5t c\u1eadp trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed s\u1ebd \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c khi s\u1eed d\u1ee5ng blockchain \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n T\u00ednh b\u1ea3o m\u1eadt: Th\u00f4ng tin \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt t\u1ed1t nh\u1ea5t, kh\u00f4ng b\u1ecb m\u1ea5t, \u0111\u00e1nh c\u1eafp ho\u1eb7c s\u1eeda \u0111\u1ed5i.<\/p>\n\n\n\n Gi\u1ea3m chi ph\u00ed: S\u1ef1 minh b\u1ea1ch c\u1ee7a blockchain s\u1ebd gi\u00fap c\u00e1c b\u00ean giao d\u1ecbch c\u00f3 \u0111\u01b0\u1ee3c l\u00f2ng tin l\u1eabn nhau, gi\u1ea3m b\u1edbt chi ph\u00ed qu\u1ea3ng c\u00e1o cho nh\u00e0 \u0111\u1ea7u t\u01b0.<\/p>\n\n\n\n T\u1ed1c \u0111\u1ed9 giao d\u1ecbch: C\u00f4ng ngh\u1ec7 blockchain s\u1eed d\u1ee5ng h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh, gi\u00fap c\u00e1c giao d\u1ecbch th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed nhanh h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n Trong chu\u1ed7i cung \u1ee9ng<\/p>\n\n\n\n Chu\u1ed7i cung \u1ee9ng th\u01b0\u1eddng xuy\u00ean ph\u1ea3i \u0111\u1ed1i di\u1ec7n v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ef1 minh b\u1ea1ch, do b\u1ea3n th\u00e2n c\u1ee7a n\u00f3 l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1eeb quy tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u1eadn chuy\u1ec3n, thanh to\u00e1n,\u2026v\u1edbi s\u1ef1 tham gia c\u1ee7a \u0111\u1ed9i ng\u0169 nh\u00e2n l\u1ef1c \u0111\u1ec3 \u0111\u01b0a s\u1ea3n ph\u1ea9m t\u1eeb nguy\u00ean li\u1ec7u ban \u0111\u1ea7u t\u1edbi ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n Khi \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt blockchain s\u1ebd gi\u00fap \u00edch cho vi\u1ec7c chia s\u1ebb th\u00f4ng tin nhanh ch\u00f3ng, l\u00e0m t\u0103ng tr\u1ea3i nghi\u1ec7m c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 m\u1ee9c \u0111\u1ed9 tin c\u1eady. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f2n c\u00f3 c\u00e1c l\u1ee3i \u00edch kh\u00e1c nh\u01b0:<\/p>\n\n\n\n Giao d\u1ecbch nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m chi ph\u00ed<\/p>\n\n\n\n Gi\u00fap c\u00f4ng ty c\u00f4ng ty qu\u1ea3n l\u00fd t\u1ed1t h\u00e0ng h\u00f3a<\/p>\n\n\n\n \u0110\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n c\u1ee7a d\u1eef li\u1ec7u<\/p>\n\n\n\n Truy xu\u1ea5t ngu\u1ed3n g\u1ed1c h\u00e0ng h\u00f3a, n\u00e2ng cao minh b\u1ea1ch.<\/p>\n\n\n\n Trong l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh v\u00e0 ng\u00e2n h\u00e0ng<\/p>\n\n\n\n Trong l\u0129nh v\u1ef1c n\u00e0y, blockchain cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n nhanh, ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n r\u1ea5t nhi\u1ec1u. Ngo\u00e0i ra, c\u00f2n lo\u1ea1i b\u1ecf b\u1edbt c\u00e1c giao d\u1ecbch trung gian, n\u00e2ng cao hi\u1ec7u qu\u1ea3 trong giao d\u1ecbch.<\/p>\n\n\n\n Ngo\u00e0i ra, blockchain d\u00f9ng c\u00e1c s\u1ed1 ph\u00e2n tan mang t\u1edbi cho ng\u00e2n h\u00e0ng h\u1ec7 th\u1ed1ng nh\u1eadn di\u1ec7n kh\u00e1ch h\u00e0ng, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng x\u00e1c minh danh t\u00ednh ch\u1ec9 b\u1eb1ng m\u1ed9t v\u00e0i b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f2n cho ph\u00e9p c\u00e1c ng\u00e2n h\u00e0ng trong c\u00f9ng h\u1ec7 th\u1ed1ng truy c\u1eadp h\u1ec7 th\u1ed1ng th\u00f4ng tin l\u01b0u tr\u1eef n\u00e0y.<\/p>\n\n\n\n Trong n\u00f4ng nghi\u1ec7p<\/p>\n\n\n\n Food industry v\u00e0 Origin Trail l\u00e0 2 \u1ee9ng d\u1ee5ng \u0111\u00e3 s\u1eed d\u1ee5ng blockchain \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng minh b\u1ea1ch v\u00e0 cung c\u1ea5p th\u00f4ng tin cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ngu\u1ed3n g\u1ed1c, xu\u1ea5t x\u1ee9, c\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m m\u00e0 h\u1ecd ti\u00eau th\u1ee5.<\/p>\n\n\n\n Trong gi\u00e1o d\u1ee5c<\/p>\n\n\n\n Qu\u1ea3n l\u00fd qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp<\/a> do s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin b\u1eb1ng c\u00e1c kh\u1ed1i, m\u1edf r\u1ed9ng theo th\u1eddi gian. Blockchain s\u1ebd l\u01b0u l\u1ea1i to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh, k\u1ebft qu\u1ea3, nh\u1eefng tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng trong su\u1ed1t qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t h\u1ecdc t\u1eadp<\/a>: Gi\u00fap gi\u00e1o vi\u00ean<\/a> gi\u00e1m s\u00e1t t\u1ed1t hi\u1ec7u su\u1ea5t h\u1ecdc t\u1eadp<\/a> c\u1ee7a h\u1ecdc vi\u00ean, \u0111\u01b0a ra c\u00e1c \u0111\u00e1nh gi\u00e1 c\u00f4ng khai, minh b\u1ea1ch, c\u00f4ng t\u00e2m. \u0110\u1ed3ng th\u1eddi, gi\u00fap nh\u00e0 tr\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 n\u0103ng l\u1ef1c chuy\u00ean m\u00f4n c\u1ee7a gi\u00e1o vi\u00ean<\/a> th\u00f4ng qua c\u00e1c b\u00e0i gi\u1ea3ng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u00e0 \u0111\u0103ng t\u1ea3i l\u00ean n\u1ec1n t\u1ea3ng gi\u00e1o d\u1ee5c c\u1ee7a nh\u00e0 tr\u01b0\u1eddng.<\/p>\n\n\n\n C\u1ea7u n\u1ed1i gi\u1eefa c\u00e1c \u1ee9ng vi\u00ean v\u00e0 \u0111\u01a1n v\u1ecb tuy\u1ec3n d\u1ee5ng.<\/p>\n\n\n\n Trong l\u0129nh v\u1ef1c y t\u1ebf<\/p>\n\n\n\n Chi ph\u00ed y t\u1ebf: Thanh to\u00e1n t\u1ee9c th\u1eddi, thi\u1ebft l\u1eadp ng\u00e2n s\u00e1ch y t\u1ebf, trao t\u1eb7ng cho ng\u01b0\u1eddi th\u00e2n,\u2026t\u1ea1o ra nhi\u1ec1u thu\u1eadn ti\u1ec7n cho b\u1ec7nh nh\u00e2n v\u00e0 c\u01a1 quan y t\u1ebf.<\/p>\n\n\n\n Nguy\u00ean c\u1ee9u y t\u1ebf: V\u1edbi c\u00f4ng ngh\u1ec7 blockchain, m\u1ed9t c\u1ed5ng chia s\u1ebb th\u00f4ng tin to\u00e0n c\u1ea7u \u0111\u01b0\u1ee3c d\u1ef1ng l\u00ean. \u0110\u00e2y l\u00e0 n\u01a1i m\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u chia s\u1ebb th\u00f4ng tin, c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u y t\u1ebf, gi\u00fap m\u1ecdi ng\u01b0\u1eddi tham kh\u1ea3o, m\u1edf r\u1ed9ng ph\u1ea1m vi sang c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan.<\/p>\n\n\n\n H\u1ed3 s\u01a1 b\u1ec7nh \u00e1n \u0111i\u1ec7n t\u1eed: H\u1ed3 s\u01a1 b\u1ec7nh \u00e1n \u0111i\u1ec7n t\u1eed t\u1eeb blockchain s\u1ebd gi\u00fap l\u01b0u tr\u1eef th\u00f4ng tin c\u1ee7a t\u1eebng c\u00e1 nh\u00e2n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng; \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p truy c\u1eadp c\u1ee7a b\u1ec7nh vi\u1ec7n, nh\u00e0 thu\u1ed1c,\u2026\u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap c\u1eaft gi\u1ea3m chi ph\u00ed kh\u00e1m, can thi\u1ec7p k\u1ecbp th\u1eddi khi \u0111i\u1ec1u tr\u1ecb.<\/p>\n\n\n\n Trong Internet of Things (IoT) \u2013 Internet v\u1ea1n v\u1eadt<\/p>\n\n\n\n Internet v\u1ea1n v\u1eadt hay Internet of Things (IoT) \u0111\u01b0\u1ee3c coi l\u00e0 n\u01b0\u1edbc ti\u1ebfn m\u1edbi trong k\u1ef7 nguy\u00ean m\u00e1y t\u00ednh, kh\u00f4ng ch\u1ec9 gi\u00fap m\u00e1y t\u00ednh k\u1ebft n\u1ed1i v\u1edbi nhau m\u00e0 c\u00f2n c\u00f3 c\u1ea3 nhi\u1ec1u thi\u1ebft b\u1ecb v\u1eadt l\u00fd kh\u00e1c. C\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ed3 d\u00f9ng trong nh\u00e0 nh\u01b0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a, m\u00e1y \u0111o \u0111i\u1ec7n tim, thi\u1ebft b\u1ecb an ninh,\u2026.IoT cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n IoT c\u00f2n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c s\u1ef1 t\u1ef1 \u0111\u1ed9ng h\u00f3a, gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c thi\u1ebft b\u1ecb \u1edf quy m\u00f4 r\u1ed9ng l\u1edbn. V\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a IoT v\u00e0 blockchain l\u00e0 s\u1ef1 b\u00f9 tr\u1eeb tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb khi \u0111\u01b0\u1ee3c x\u00e1c minh b\u1eb1ng ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eed th\u00ec s\u1ebd tham gia v\u00e0o h\u1ec7 th\u1ed1ng blockchain. V\u1eady n\u00ean t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin tr\u00ean th\u1ef1c th\u1ec3 n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c minh, b\u1ea3o m\u1eadt b\u1eb1ng m\u00e3 v\u00e0 l\u01b0u v\u00e0o nh\u1eadt k\u00fd ch\u1ed1ng gi\u1ea3 m\u1ea1o.<\/p>\n\n\n\n Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 blockchain<\/p>\n\n\n\n D\u00f9 \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean th\u1ecb tr\u01b0\u1eddng h\u01a1n 10 n\u0103m nh\u01b0ng c\u00f4ng ngh\u1ec7 blockchain v\u1eabn \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00e0 c\u00f3 nh\u1eefng b\u01b0\u1edbc t\u0103ng tr\u01b0\u1edfng \u0111\u00e1ng k\u1ec3; tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a nhi\u1ec1u \u1ee9ng d\u1ee5ng. Nh\u1eefng xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a blockchain trong c\u00e1c n\u0103m s\u1eafp t\u1edbi l\u00e0:<\/p>\n\n\n\n C\u00f4ng ngh\u1ec7 blockchain \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u: V\u00ec c\u00f3 s\u1ef1 can thi\u1ec7p c\u1ee7a nh\u00e0 n\u01b0\u1edbc n\u00ean blockchain h\u1ee9a h\u1eb9n s\u1ebd l\u00e0m gi\u1ea3m b\u1edbt t\u00ecnh tr\u1ea1ng l\u1eeba \u0111\u1ea3o v\u00e0 s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u.<\/p>\n\n\n\n Bitcoin v\u00e0 c\u00e1c lo\u1ea1i ti\u1ec1n \u1ea3o ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n: D\u00f9 c\u00f3 r\u1ea5t nhi\u1ec1u tin \u0111\u1ed3n kh\u00f4ng hay nh\u01b0ng c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 v\u1eabn tin v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a nhi\u1ec1u lo\u1ea1i \u0111\u1ed3ng ti\u1ec1n \u1ea3o nh\u1ea5t l\u00e0 bitcoin.<\/p>\n\n\n\n M\u1edf r\u1ed9ng t\u00ednh \u1ee9ng d\u1ee5ng: B\u00ean c\u1ea1nh l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh, c\u00f4ng ngh\u1ec7 blockchain c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u01b0 ho\u1ea1t \u0111\u1ed9ng qu\u1ea3n l\u00fd nh\u00e0 n\u01b0\u1edbc, b\u1ea7u c\u1eed,\u2026.<\/p>\n\n\n\n S\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a game blockchain: C\u00e1c lo\u1ea1i game \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng blockchain ng\u00e0y c\u00e0ng thu h\u00fat c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0.<\/p>\n\n\n\n C\u00f4ng vi\u1ec7c c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean blockchain l\u00e0 g\u00ec?<\/p>\n\n\n\n C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean blockchain s\u1ebd th\u1ef1c hi\u1ec7n nh\u1eefng c\u00f4ng vi\u1ec7c sau:<\/p>\n\n\n\n T\u1ea1o, ki\u1ec3m tra v\u00e0 tri\u1ec3n khai c\u00e1c s\u1ea3n ph\u1ea9m blockchain m\u1edbi<\/p>\n\n\n\n C\u1eadp nh\u1eadt c\u00e1c s\u1ea3n ph\u1ea9m<\/p>\n\n\n\n Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 m\u1edbi \u1ee9ng d\u1ee5ng v\u00e0o c\u00e1c d\u1ef1 \u00e1n.<\/p>\n\n\n\n \u2026\u2026\u2026\u2026..<\/p>\n\n\n\n Nhu c\u1ea7u vi\u1ec7c l\u00e0m trong l\u0129nh v\u1ef1c blockchain v\u00f4 c\u00f9ng r\u1ed9ng l\u1edbn khi nhi\u1ec1u \u0111\u01a1n v\u1ecb kh\u00f4ng ng\u1eebng tuy\u1ec3n d\u1ee5ng v\u1ecb tr\u00ed l\u1eadp tr\u00ecnh vi\u00ean blockchain, k\u1ef9 s\u01b0 blockchain,\u2026H\u1ecd s\u1ebd l\u00e0m vi\u1ec7c trong c\u00e1c c\u00f4ng ty cung c\u1ea5p gi\u1ea3i ph\u00e1p blockchain hay c\u00e1c ng\u00e2n h\u00e0ng, t\u1ed5 ch\u1ee9c c\u00f3 nhu c\u1ea7u x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng tr\u00ean n\u1ec1n t\u1ea3ng blockchain.<\/p>\n\n\n\n B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean blockchain c\u0169ng c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 c\u00f4ng vi\u1ec7c sau:<\/p>\n\n\n\n L\u1eadp tr\u00ecnh cho blockchain C ++\/Go: Ph\u00e1t tri\u1ec3n tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng web, ph\u00e1t tri\u1ec3n tr\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng Android \/ iOS; \u1ee9ng d\u1ee5ng v\u1ec1 blockchain,\u2026.<\/p>\n\n\n\n L\u1eadp tr\u00ecnh cho Ethereum: Solidity<\/p>\n\n\n\n X\u00e2y d\u1ef1ng c\u00e1c h\u1ee3p \u0111\u1ed3ng th\u00f4ng minh cho ICO.<\/p>\n\n\n\n M\u1ee9c l\u01b0\u01a1ng c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean blockchain bao nhi\u00eau?<\/p>\n\n\n\n T\u00f9y thu\u1ed9c v\u00e0o t\u1eebng v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c m\u00e0 m\u1ee9c l\u01b0\u01a1ng c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean blockchain c\u0169ng kh\u00e1c nhau. V\u1ec1 c\u01a1 b\u1ea3n, m\u1ee9c l\u01b0\u01a1ng c\u1ee7a m\u1ed9t l\u1eadp tr\u00ecnh blockchain t\u1ea1i Vi\u1ec7t Nam s\u1ebd dao \u0111\u1ed9ng t\u1eeb 2000-3000 USD, v\u00e0 con s\u1ed1 n\u00e0y c\u0169ng s\u1ebd t\u0103ng l\u00ean d\u1ef1a v\u00e0o v\u1ecb tr\u00ed, d\u1ef1 \u00e1n m\u00e0 b\u1ea1n \u0111ang th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Blockchain, Bitcoin v\u00e0 Cryptocurrency<\/p>\n\n\n\n C\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi nh\u1ea7m l\u1eabn Blockchain, Bitcoin v\u00e0 Cryptocurrency v\u1edbi nhau, n\u00ean Vietlearn s\u1ebd gi\u00fap b\u1ea1n ch\u1ec9 ra c\u00e1c \u0111i\u1ec3m kh\u00e1c nhau c\u1ee7a ch\u00fang, c\u1ee5 th\u1ec3:<\/p>\n\n\n\n Blockchain ch\u00ednh l\u00e0 c\u00e1i s\u1ed5 c\u00f4ng ngh\u1ec7 s\u1ed1 h\u00f3a, phi t\u1eadp trung. N\u00f3i c\u00e1ch \u0111\u01a1n gi\u1ea3n th\u00ec n\u00f3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb c\u00e1c th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1, c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u. Khi giao d\u1ecbch, ki\u1ec3m ch\u1ee9ng c\u00f3 th\u1ec3 di\u1ec5n ra, kh\u00f4ng tin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng kh\u1ed1i v\u00e0 Blockchain s\u1ebd t\u0103ng k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n Cryptocurrency (Ti\u1ec1n \u0111i\u1ec7n t\u1eed) ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua blockchain v\u00ec n\u00f3 c\u0169ng l\u00e0 h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt s\u1ed1 phi t\u1eadp trung. Khi x\u00e1c \u0111\u1ecbnh l\u00e0 ti\u1ec1n k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c ti\u1ec1n \u1ea3o, n\u00f3 s\u1ebd s\u1eed d\u1ee5ng m\u00e3 b\u1ea3o m\u1eadt; kh\u00f4ng thu\u1ed9c quy\u1ec1n s\u1edf h\u1eefu c\u1ee7a b\u1ea5t k\u1ef3 c\u01a1 quan n\u00e0o. V\u1ec1 b\u1ea3n ch\u1ea5t th\u00ec n\u00f3 mi\u1ec5n nhi\u1ec5m v\u1edbi s\u1ef1 ki\u1ec3m so\u00e1t c\u1ee7a c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n.<\/p>\n\n\n\n Bitcoin l\u00e0 ti\u1ec1n \u0111i\u1ec7n t\u1eed \u0111\u1ea7u ti\u00ean, nh\u01b0ng \u0111\u1ebfn nay \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng ra.<\/p>\n\n\n\n V\u1edbi c\u00e1c th\u00f4ng tin trong b\u00e0i vi\u1ebft \u201cC\u00f4ng ngh\u1ec7 blockchain l\u00e0 g\u00ec? Ph\u01b0\u01a1ng th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a blockchain\u201d hy v\u1ecdng s\u1ebd gi\u00fap \u00edch b\u1ea1n. N\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p, qu\u00fd b\u1ea1n \u0111\u1ecdc h\u00e3y comment ph\u00eda d\u01b0\u1edbi, nh\u00e2n vi\u00ean Vietlearn.org s\u1ebd h\u1ed7 tr\u1ee3 b\u1ea1n nhanh ch\u00f3ng.<\/p>\n\n\n\n <\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":" Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn C\u00f4ng ngh\u1ec7 blockchain \u0111\u01b0\u1ee3c coi l\u00e0 \u201cch\u00eca kh\u00f3a\u201d th\u00e0nh c\u00f4ng cho s\u1ef1 chuy\u1ec3n \u0111\u1ed5i v\u00e0 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 nh\u1ea5t l\u00e0 trong th\u1eddi bu\u1ed5i c\u00f4ng ngh\u1ec7 4.0 hi\u1ec7n nay. \u0110\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng tin chi ti\u1ebft v\u1ec1 kh\u00e1i ni\u1ec7m blockchain l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i, ph\u01b0\u01a1ng th\u1ee9c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1],"tags":[],"class_list":["post-3762","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=3762"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/3762\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=3762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=3762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=3762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}