{"id":27179,"date":"2023-12-07T03:42:23","date_gmt":"2023-12-07T03:42:23","guid":{"rendered":"https:\/\/masterskills.org\/blog\/ecash-la-gi-su-troi-day-va-sup-do-cua-ecash.html"},"modified":"2023-12-22T14:42:16","modified_gmt":"2023-12-22T07:42:16","slug":"ecash-la-gi-su-troi-day-va-sup-do-cua-ecash","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/ecash-la-gi-su-troi-day-va-sup-do-cua-ecash.html","title":{"rendered":"eCash l\u00e0 g\u00ec? S\u1ef1 tr\u1ed7i d\u1eady v\u00e0 s\u1ee5p \u0111\u1ed5 c\u1ee7a eCash"},"content":{"rendered":"
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(\u1ea2nh minh h\u1ecda: Due)<\/p>\n<\/figcaption><\/figure>\n

eCash<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

eCash<\/b> l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng k\u0129 thu\u1eadt s\u1ed1 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c chuy\u1ec3n ti\u1ec1n \u1ea9n danh v\u00e0o cu\u1ed1i th\u1ebf k\u1ec9 20. Ti\u00ean phong trong l\u0129nh v\u1ef1c ti\u1ec1n \u0111i\u1ec7n t\u1eed, m\u1ee5c ti\u00eau c\u1ee7a eCash l\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng Internet cho c\u00e1c kho\u1ea3n thanh to\u00e1n nh\u1ecf.\u00a0<\/p>\n

eCash \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi Ti\u1ebfn s\u0129 David Chaum thu\u1ed9c c\u00f4ng ty c\u1ee7a \u00f4ng l\u00e0 DigiCash v\u00e0o n\u0103m 1990. M\u1eb7c d\u00f9 c\u00f3 s\u1ef1 quan t\u00e2m t\u1eeb c\u00e1c ng\u00e2n h\u00e0ng l\u1edbn, eCash kh\u00f4ng th\u1ec3 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd v\u00e0 DigiCash \u0111\u00e3 n\u1ed9p \u0111\u01a1n xin ph\u00e1 s\u1ea3n v\u00e0o n\u0103m 1998. DigiCash, c\u00f9ng v\u1edbi c\u00e1c b\u1eb1ng s\u00e1ng ch\u1ebf eCash c\u1ee7a m\u00ecnh, cu\u1ed1i c\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1n h\u1ebft l\u1ea1i. N\u0103m , Chaum \u0111\u00e3 th\u00e0nh l\u1eadp m\u1ed9t startup m\u1edbi t\u1eadp trung v\u00e0o m\u1eadt m\u00e3 h\u1ecdc.<\/p>\n

Hi\u1ec3u v\u1ec1 eCash<\/font><\/h3>\n

Ti\u1ebfn s\u0129 David Chaum \u0111\u00e3 c\u00f3 \u00fd t\u01b0\u1edfng v\u1ec1 eCash v\u00e0o n\u0103m 1983. \u00d4ng \u0111\u00e3 \u0111i tr\u01b0\u1edbc th\u1eddi \u0111\u1ea1i khi \u0111\u00e3 ti\u00ean tr\u01b0\u1edbc \u0111\u01b0\u1ee3c nh\u1eefng lo ng\u1ea1i v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 trong th\u1eddi \u0111\u1ea1i Internet. \u00d4ng kh\u00f4ng ch\u1ec9 \u1ee7ng h\u1ed9 quy\u1ec1n ri\u00eang t\u01b0 m\u00e0 c\u00f2n ti\u1ebfn th\u00eam nh\u1eefng b\u01b0\u1edbc \u0111i m\u1edbi trong vi\u1ec7c t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng thanh to\u00e1n \u1ea9n danh trong th\u1eddi \u0111\u1ea1i k\u0129 thu\u1eadt s\u1ed1. \u0110i\u1ec1u n\u00e0y th\u1eadm ch\u00ed tr\u01b0\u1edbc c\u1ea3 khi Internet \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u0111\u1ebfn c\u00f4ng ch\u00fang. N\u0103m 1990, Chaum \u0111\u00e3 th\u00e0nh l\u1eadp c\u00f4ng ty DigiCash \u0111\u1ec3 hi\u1ec7n th\u1ef1c h\u00f3a \u00fd t\u01b0\u1edfng c\u1ee7a m\u00ecnh cho eCash.<\/p>\n

\u00dd t\u01b0\u1edfng c\u1ed1t l\u00f5i \u0111\u1eb1ng sau eCash l\u00e0 ch\u1eef k\u00ed m\u00f9 (Blind signature). Ch\u1eef k\u00ed m\u00f9 l\u00e0 m\u1ed9t lo\u1ea1i ch\u1eef k\u00ed s\u1ed1 trong \u0111\u00f3 n\u1ed9i dung c\u1ee7a tin nh\u1eafn l\u00e0 v\u00f4 h\u00ecnh tr\u01b0\u1edbc khi k\u00ed. Theo c\u00e1ch n\u00e0y, kh\u00f4ng ng\u01b0\u1eddi d\u00f9ng n\u00e0o c\u00f3 th\u1ec3 t\u1ea1o li\u00ean k\u1ebft gi\u1eefa giao d\u1ecbch r\u00fat ti\u1ec1n v\u00e0 chi ti\u00eau. Ti\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 CyberBucks.<\/p>\n

S\u1ef1 tr\u1ed7i d\u1eady v\u00e0 s\u1ee5p \u0111\u1ed5 c\u1ee7a eCash<\/font><\/h3>\n

DigiCash \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 ch\u00fa \u00fd trong nh\u1eefng n\u0103m 1990 khi c\u00e1c c\u00f4ng ty Internet \u0111ang ph\u1ea5t l\u00ean. C\u00f4ng ty \u0111\u00e3 k\u00ed th\u1ecfa thu\u1eadn v\u1edbi nhi\u1ec1u ng\u00e2n h\u00e0ng c\u00f3 \u00fd \u0111\u1ecbnh s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng n\u00e0y. Nh\u1eefng ng\u00e2n h\u00e0ng n\u00e0y bao g\u1ed3m Deutsche Bank, Credit Suisse v\u00e0 nhi\u1ec1u ng\u00e2n h\u00e0ng l\u1edbn kh\u00e1c tr\u00ean to\u00e0n c\u1ea7u. Microsoft c\u0169ng quan t\u00e2m \u0111\u1ebfn eCash cho Windows 95 nh\u01b0ng hai c\u00f4ng ty kh\u00f4ng th\u1ec3 ti\u1ebfn t\u1edbi th\u1ecfa thu\u1eadn.<\/p>\n

C\u00e1c ng\u00e2n h\u00e0ng quy\u1ebft \u0111\u1ecbnh tri\u1ec3n khai eCash \u0111\u00e3 b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m n\u1ec1n t\u1ea3ng nh\u01b0ng kh\u00f4ng bao gi\u1edd b\u00e1n n\u00f3 nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m kh\u1ea3 d\u1ee5ng cho kh\u00e1ch h\u00e0ng c\u1ee7a m\u00ecnh. Ng\u00e2n h\u00e0ng duy nh\u1ea5t th\u1ef1c s\u1ef1 s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng n\u00e0y l\u00e0 Mark Twain Bank \u1edf St. Louis, Missouri. D\u1ecbch v\u1ee5 n\u00e0y mi\u1ec5n ph\u00ed cho ng\u01b0\u1eddi mua, nh\u01b0ng ng\u01b0\u1eddi b\u00e1n ph\u1ea3i tr\u1ea3 ph\u00ed giao d\u1ecbch. Mark Twain Bank \u0111\u00e3 \u0111\u0103ng k\u00ed th\u00eam 300 t\u00e0i kho\u1ea3n doanh nghi\u1ec7p v\u00e0 5.000 t\u00e0i kho\u1ea3n c\u00e1 nh\u00e2n nh\u01b0ng n\u1ec1n t\u1ea3ng n\u00e0y ch\u01b0a bao gi\u1edd \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ee9c h\u00fat th\u1ef1c s\u1ef1.<\/p>\n

DigiCash cu\u1ed1i c\u00f9ng \u0111\u00e3 n\u1ed9p \u0111\u01a1n xin ph\u00e1 s\u1ea3n v\u00e0o n\u0103m 1998. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c b\u00e1n cho eCash Technologies c\u00f9ng v\u1edbi b\u1eb1ng s\u00e1ng ch\u1ebf eCash. Nh\u00e3n hi\u1ec7u hi\u1ec7n t\u1ea1i c\u1ee7a n\u00f3 gi\u1edd thu\u1ed9c v\u1ec1 Due Inc.<\/p>\n

eCash v\u00e0 b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn hi\u1ec7n nay<\/font><\/h3>\n

M\u1eb7c d\u00f9 th\u1ea5t b\u1ea1i c\u1ee7a DigiCash c\u00f9ng eCash, b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111ang di\u1ec5n ra trong l\u0129nh v\u1ef1c k\u0129 thu\u1eadt s\u1ed1 cho \u0111\u1ebfn ng\u00e0y nay. Th\u00f4ng tin t\u00e0i ch\u00ednh \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1eb7c Internet n\u00f3i chung r\u1ea5t d\u1ec5 b\u1ecb tin t\u1eb7c t\u1ea5n c\u00f4ng. Ti\u1ec1n \u0111i\u1ec7n t\u1eed, ch\u1eb3ng h\u1ea1n nh\u01b0 Bitcoin, c\u1ef1c k\u00ec ph\u1ed5 bi\u1ebfn v\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a ch\u00fang \u0111\u1ec1u d\u1ef1a tr\u00ean eCash. Tr\u00ean th\u1ef1c t\u1ebf, nhi\u1ec1u ng\u01b0\u1eddi coi Chaum l\u00e0 cha \u0111\u1ebb c\u1ee7a ti\u1ec1n \u0111i\u1ec7n t\u1eed.<\/p>\n

(Theo Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n eCash l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng k\u0129 thu\u1eadt s\u1ed1 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c chuy\u1ec3n ti\u1ec1n \u1ea9n danh v\u00e0o cu\u1ed1i th\u1ebf k\u1ec9 20.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27179"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=27179"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27179\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}