{"id":558,"date":"2019-10-08T01:11:16","date_gmt":"2019-10-08T01:11:16","guid":{"rendered":"http:\/\/www.asianux.org.vn\/?p=558"},"modified":"2019-10-08T01:11:18","modified_gmt":"2019-10-08T01:11:18","slug":"su-khac-biet-giua-permissioned-va-permissionless-blockchain","status":"publish","type":"post","link":"https:\/\/www.asianux.org.vn\/index.php\/2019\/10\/08\/su-khac-biet-giua-permissioned-va-permissionless-blockchain\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Permissioned v\u00e0 Permissionless Blockchain"},"content":{"rendered":"\n<p>M\u1ed9t trong nh\u1eefng ph\u1ea7n l\u1edbn nh\u1ea5t trong c\u00f4ng ngh\u1ec7\u00a0blockchain\u00a0ch\u00ednh l\u00e0 permissioned blockchain (blockchain \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p hay blockchain \u0111\u00f3ng) v\u00e0 permissionless blockchain (blockchain kh\u00f4ng c\u1ea7n c\u1ea5p ph\u00e9p hay blockchain m\u1edf). S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n kh\u00e1 r\u00f5 r\u00e0ng: B\u1ea1n c\u1ea7n ph\u00ea duy\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t permissioned blockchain, trong khi b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 tham gia v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng c\u1ea7n c\u1ea5p ph\u00e9p (permissionless). V\u00ed d\u1ee5, blockchain Bitcoin ban \u0111\u1ea7u v\u1eabn ho\u00e0n to\u00e0n m\u1edf, nh\u01b0ng khi c\u00e1c c\u00f4ng ty v\u00e0 t\u1ed5 ch\u1ee9c b\u1eaft \u0111\u1ea7u \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y, h\u1ecd \u0111\u00e3 s\u1eb5n s\u00e0ng hy sinh s\u1ef1 tin c\u1eady v\u00e0 t\u00ednh minh b\u1ea1ch \u0111\u1ec3 c\u00f3 quy\u1ec1n ki\u1ec3m so\u00e1t truy c\u1eadp c\u0169ng nh\u01b0 t\u00f9y ch\u1ec9nh d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<p>Permissioned v\u00e0 Permissionless Blockchain th\u1ef1c s\u1ef1 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f9ng m\u1ed9t th\u1ee9. V\u00ed d\u1ee5, m\u1ecdi ng\u01b0\u1eddi c\u00f3 l\u1ebd kh\u00f4ng quan t\u00e2m \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p (permissioned cryptocurrency), v\u00ec m\u1ed9t trong nh\u1eefng \u0111i\u1ec3m h\u1ea5p d\u1eabn nh\u1ea5t c\u1ee7a ti\u1ec1n \u0111i\u1ec7n t\u1eed l\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 ho\u1eb7c n\u01a1i n\u00f3 \u0111\u1ebfn. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t c\u00f4ng ty nh\u01b0 Maersk, s\u1eed d\u1ee5ng blockchain \u0111\u1ec3 theo d\u00f5i d\u1ecbch v\u1ee5 h\u1eadu c\u1ea7n v\u1eadn chuy\u1ec3n c\u1ee7a m\u00ecnh, kh\u00f4ng mu\u1ed1n \u0111\u01b0a t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u b\u00ed m\u1eadt c\u1ee7a m\u00ecnh l\u00ean m\u1ed9t permissionless blockchain.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh Permissioned v\u00e0 Permissionless Blockchain<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Permissioned v\u00e0 Permissionless Blockchain c\u00f3 g\u00ec gi\u1ed1ng nhau?<\/li><li>Permissioned v\u00e0 Permissionless Blockchain co g\u00ec kh\u00e1c nhau?<ul><li>Permissionless Blockchain<\/li><li>Permissioned blockchain<\/li><\/ul><\/li><li>Permissioned hay permissionless blockchain t\u1ed1t h\u01a1n?<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mcetoc_1dkakd6ls0\">Permissioned v\u00e0 Permissionless Blockchain c\u00f3 g\u00ec gi\u1ed1ng nhau?<\/h2>\n\n\n\n<p>C\u1ea3 permissioned v\u00e0 permissionless blockchain \u0111\u1ec1u c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/st.quantrimang.com\/photos\/image\/2019\/09\/09\/phan-biet-permissioned-va-permissionless-blockchain-1.jpg\" alt=\"Permissioned v\u00e0 Permissionless Blockchain c\u00f3 g\u00ec gi\u1ed1ng nhau?\" title=\"\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Ch\u00fang l\u00e0 hai distributed ledger (s\u1ed5 c\u00e1i ph\u00e2n t\u00e1n), c\u00f3 ngh\u0129a l\u00e0 c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a c\u00f9ng m\u1ed9t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf nh\u1eefng n\u01a1i kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i th\u00f4ng qua m\u1ed9t s\u1ed1 lo\u1ea1i m\u1ea1ng.<\/li><li>C\u1ea3 hai \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 h\u00ecnh th\u1ee9c c\u1ee7a c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn (consensus mechanism), ngh\u0129a l\u00e0 ch\u00fang c\u00f3 c\u00e1ch \u0111\u1ec3 nhi\u1ec1u phi\u00ean b\u1ea3n s\u1ed5 c\u00e1i \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng thu\u1eadn v\u1ec1 vi\u1ec7c ch\u00fang th\u1ef1c s\u1ef1 tr\u00f4ng s\u1ebd ra sao.<\/li><li>C\u1ea3 hai v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft \u0111\u1ec1u b\u1ea5t bi\u1ebfn theo ngh\u0129a l\u00e0 d\u1eef li\u1ec7u ch\u00fang l\u01b0u tr\u1eef kh\u00f4ng th\u1ec3 b\u1ecb thay \u0111\u1ed5i n\u1ebfu kh\u00f4ng c\u00f3 \u0111\u1ee7 quy\u1ec1n ki\u1ec3m so\u00e1t m\u1ea1ng. Th\u1eadm ch\u00ed sau \u0111\u00f3, c\u00e1c block (kh\u1ed1i) \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng\u00a0h\u00e0m b\u0103m m\u1eadt m\u00e3 (cryptographic hash)\u00a0s\u1ebd thay \u0111\u1ed5i n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u n\u00e0o b\u1ecb thay \u0111\u1ed5i.<\/li><\/ul>\n\n\n\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, c\u1ea3 permissioned v\u00e0 permissionless blockchain \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1eadt m\u00e3 v\u00e0 ph\u00e2n c\u1ea5p \u1edf nhi\u1ec1u m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau, \u0111\u1ec3 l\u01b0u tr\u1eef ch\u00ednh x\u00e1c d\u1eef li\u1ec7u \u1edf \u0111\u1ecbnh d\u1ea1ng kh\u00f3 hack ho\u1eb7c thay \u0111\u1ed5i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mcetoc_1dkakd6lt1\">Permissioned v\u00e0 Permissionless Blockchain co g\u00ec kh\u00e1c nhau?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mcetoc_1dkakd6lt2\">Permissionless Blockchain<\/h3>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c blockchain m\u00e0 b\u1ea1n t\u1eebng nghe n\u00f3i \u0111\u1ec1u r\u01a1i v\u00e0o lo\u1ea1i n\u00e0y: Bitcoin, Ethereum, Litecoin, Dash v\u00e0 Monero. T\u1ea5t c\u1ea3 nh\u1eefng c\u00e1i kh\u00e1c l\u00e0 blockchain c\u00f4ng khai m\u00e0 b\u1ea5t c\u1ee9 ai c\u0169ng c\u00f3 th\u1ec3 giao d\u1ecbch ho\u1eb7c th\u1eadm ch\u00ed tham gia v\u1edbi t\u01b0 c\u00e1ch l\u00e0 validator (ng\u01b0\u1eddi x\u00e1c th\u1ef1c).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/st.quantrimang.com\/photos\/image\/2019\/09\/09\/phan-biet-permissioned-va-permissionless-blockchain-2.jpg\" alt=\"Permissionless Blockchain\" title=\"\"><\/figure>\n\n\n\n<p>T\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u00e1c chu\u1ed7i n\u00e0y \u0111\u1ec1u c\u00f3 s\u1eb5n c\u00f4ng khai v\u00e0 c\u00e1c b\u1ea3n sao \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a s\u1ed5 c\u00e1i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. \u0110\u00f3 l\u00e0 \u0111i\u1ec1u khi\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y r\u1ea5t kh\u00f3 b\u1ecb hack ho\u1eb7c ki\u1ec3m duy\u1ec7t. Kh\u00f4ng ai \u0111i\u1ec1u h\u00e0nh blockchain, kh\u00f4ng ai c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf quy\u1ec1n truy c\u1eadp v\u00e0o n\u00f3 v\u00e0 b\u1ea1n v\u1eabn t\u01b0\u01a1ng \u0111\u1ed1i \u1ea9n danh v\u00ec kh\u00f4ng c\u1ea7n ph\u1ea3i x\u00e1c minh ch\u00ednh m\u00ecnh \u0111\u1ec3 nh\u1eadn m\u1ed9t \u0111\u1ecba ch\u1ec9 v\u00e0 th\u1ef1c hi\u1ec7n giao d\u1ecbch.<\/p>\n\n\n\n<p>Lo\u1ea1i blockchain n\u00e0y c\u00f3 xu h\u01b0\u1edbng t\u1ea1o ra ti\u1ebfng vang v\u00ec n\u00f3 c\u00f3 nh\u1eefng g\u00ec l\u00e0m n\u1ec1n t\u1ea3ng cho h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed v\u00e0 nh\u1eefng gi\u1ea3i ph\u00e1p ph\u00e2n c\u1ea5p th\u00fa v\u1ecb nh\u1ea5t. S\u1ef1 c\u01b0\u1eddng \u0111i\u1ec7u n\u00e0y l\u00e0 x\u1ee9ng \u0111\u00e1ng, v\u00ec c\u00e1c permissionless blockchain c\u00f4ng khai c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch m\u1ea1ng h\u00f3a nh\u1eefng d\u1ecbch v\u1ee5 tr\u01b0\u1edbc \u0111\u00e2y y\u00eau c\u1ea7u ng\u01b0\u1eddi trung gian \u0111\u00e1ng tin c\u1eady &#8211; kh\u00f4ng ch\u1ec9 l\u00e0 ti\u1ec1n t\u1ec7. V\u00ed d\u1ee5, m\u1ed9t blockchain b\u1ea5t bi\u1ebfn c\u1ee7a \u00f4 t\u00f4 c\u00f3 th\u1ec3 cung c\u1ea5p cho b\u1ea1n kh\u1ea3 n\u0103ng tra c\u1ee9u d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady tr\u00ean m\u1ecdi b\u1ed9 ph\u1eadn, h\u1ed3 s\u01a1 d\u1ecbch v\u1ee5 v\u00e0 giao d\u1ecbch li\u00ean quan \u0111\u1ebfn m\u1ed9t chi\u1ebfc xe \u0111\u00e3 qua s\u1eed d\u1ee5ng, thay v\u00ec tin t\u01b0\u1edfng m\u1ed9t ng\u01b0\u1eddi trung gian n\u00e0o \u0111\u00f3.<\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean, h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng h\u1ec1 ho\u00e0n h\u1ea3o. N\u00f3 c\u00f3 th\u1ec3 ch\u1eadm, kh\u00f3 x\u00e2y d\u1ef1ng v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4, qu\u00e1 minh b\u1ea1ch \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, kh\u00f3 ki\u1ec3m so\u00e1t truy c\u1eadp, t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng v\u00e0 ph\u1ee9c t\u1ea1p. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c permissioned blockchain \u0111ang tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn h\u01a1n cho c\u00e1c c\u00f4ng ty v\u00e0 t\u1ed5 ch\u1ee9c mu\u1ed1n s\u1eed d\u1ee5ng blockchain \u0111\u1ec3 thay th\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mcetoc_1dkakd6lt3\">Permissioned blockchain<\/h3>\n\n\n\n<p>T\u00f3m l\u1ea1i, permissioned blockchain ch\u1ec9 d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp. B\u1ea5t c\u1ee9 ai mu\u1ed1n x\u00e1c th\u1ef1c c\u00e1c giao d\u1ecbch v\u00e0\/ho\u1eb7c xem d\u1eef li\u1ec7u tr\u00ean m\u1ea1ng, tr\u01b0\u1edbc ti\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c central authority (b\u1ed9 ph\u1eadn trung t\u00e2m, ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd ch\u00ednh) ch\u1ea5p thu\u1eadn.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/st.quantrimang.com\/photos\/image\/2019\/09\/09\/phan-biet-permissioned-va-permissionless-blockchain-3.jpg\" alt=\"Permissioned blockchain\" title=\"\"><\/figure>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c ng\u00e2n h\u00e0ng, c\u00f4ng ty v\u00e0 nh\u1eefng t\u1ed5 ch\u1ee9c kh\u00e1c ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 kh\u00f4ng mu\u1ed1n m\u1ea5t quy\u1ec1n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n d\u1eef li\u1ec7u. Thay v\u00ec x\u00e2y d\u1ef1ng tr\u00ean m\u1ed9t blockchain l\u1edbn, phi t\u1eadp trung nh\u01b0 Ethereum, c\u00e1c \u0111\u01a1n v\u1ecb n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh, ch\u1ec9 \u0111\u01b0\u1ee3c \u0111i\u1ec1u h\u00e0nh b\u1edfi nh\u1eefng t\u1ed5 ch\u1ee9c m\u00e0 h\u1ecd ch\u1ea5p thu\u1eadn.<\/p>\n\n\n\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t c\u00f4ng ty chuy\u00ean b\u00e1n d\u01b0a h\u1ea5u \u0111\u01b0a chu\u1ed7i cung \u1ee9ng c\u1ee7a h\u1ecd l\u00ean m\u1ed9t t\u1ea7m cao m\u1edbi:<\/p>\n\n\n\n<p>1. C\u00f4ng ty quy\u1ebft \u0111\u1ecbnh x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng blockchain \u0111\u1ec3 theo d\u00f5i tr\u00e1i c\u00e2y c\u1ee7a m\u00ecnh t\u1eeb trang tr\u1ea1i \u0111\u1ebfn c\u1eeda h\u00e0ng. H\u1ecd mu\u1ed1n bi\u1ebft ch\u00ednh x\u00e1c ai l\u00e0 ng\u01b0\u1eddi tham gia trong m\u1ed7i b\u01b0\u1edbc, v\u00ec v\u1eady c\u00f4ng ty n\u00e0y quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng m\u1ed9t permissioned blockchain m\u00e0 ch\u1ec9 ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp.<\/p>\n\n\n\n<p>2. H\u1ecd x\u00e2y d\u1ef1ng Melonchain v\u00e0 cung c\u1ea5p cho m\u1ed7i \u0111i\u1ec3m tr\u00ean chu\u1ed7i cung \u1ee9ng c\u00e1ch \u0111\u1ec3 truy c\u1eadp v\u00e0 th\u00eam d\u1eef li\u1ec7u, \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c b\u1edfi m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c m\u00e1y ch\u1ee7 do c\u00f4ng ty \u0111i\u1ec1u h\u00e0nh. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea5t c\u1ee9 khi n\u00e0o d\u1eef li\u1ec7u v\u1ec1 m\u1ed9t qu\u1ea3 d\u01b0a \u0111\u01b0\u1ee3c ghi l\u1ea1i, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tra c\u1ee9u trong s\u1ed5 c\u00e1i v\u00e0 \u0111\u01b0\u1ee3c x\u00e1c minh b\u1eb1ng m\u1eadt m\u00e3 sau \u0111\u00f3.<\/p>\n\n\n\n<p>3. M\u1ed9t s\u1ed1 d\u1eef li\u1ec7u nh\u1ea5t \u0111\u1ecbnh v\u1ec1 m\u1ed7i qu\u1ea3 d\u01b0a h\u1ea5u, nh\u01b0 ng\u00e0y v\u00e0 \u0111\u1ecba \u0111i\u1ec3m thu ho\u1ea1ch, \u0111\u01b0\u1ee3c c\u00f4ng khai cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng, trong khi c\u00e1c d\u1eef li\u1ec7u kh\u00e1c, nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng ch\u00ednh x\u00e1c trong chu\u1ed7i cung \u1ee9ng, \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt \u0111\u1ec3 gi\u00fap c\u00f4ng ty duy tr\u00ec l\u1ee3i th\u1ebf c\u1ea1nh tranh.<\/p>\n\n\n\n<p>Ti\u1ec1n \u0111i\u1ec7n t\u1eed Libra c\u1ee7a\u00a0Facebook\u00a0l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh kh\u00e1c. N\u00f3 c\u00f3 th\u1ec3 ra m\u1eaft c\u00f4ng ch\u00fang trong t\u01b0\u01a1ng lai, nh\u01b0ng t\u1ea1i th\u1eddi \u0111i\u1ec3m ra m\u1eaft, ch\u1ec9 m\u1ed9t s\u1ed1 c\u00f4ng ty \u0111\u01b0\u1ee3c ch\u1ecdn, \u0111\u00e3 \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, m\u1edbi c\u00f3 quy\u1ec1n v\u1eadn h\u00e0nh n\u00f3 v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u0103ng k\u00fd b\u1eb1ng danh t\u00ednh th\u1ef1c.<\/p>\n\n\n\n<p>Nh\u1eefng l\u1ee3i th\u1ebf l\u1edbn c\u1ee7a permissioned blockchain l\u00e0 ch\u00fang c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Quy\u1ec1n ki\u1ec3m so\u00e1t truy c\u1eadp<\/li><li>Kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao<\/li><li>Thay \u0111\u1ed5i th\u1eddi gian d\u1ec5 d\u00e0ng h\u01a1n \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh<\/li><li>Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1t h\u01a1n<\/li><li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng t\u1ed1t h\u01a1n<\/li><\/ul>\n\n\n\n<p>Tuy nhi\u00ean, ch\u00fang c\u0169ng c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m. \u0110\u00f3 l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>T\u1eadp trung h\u01a1n<\/li><li>\u00cdt minh b\u1ea1ch<\/li><li>D\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 thao t\u00fang h\u01a1n<\/li><li>D\u1ec5 d\u00e0ng ki\u1ec3m duy\u1ec7t h\u01a1n<\/li><li>\u00cdt \u1ea9n danh h\u01a1n<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mcetoc_1dkakd6lt4\">Permissioned hay permissionless blockchain t\u1ed1t h\u01a1n?<\/h2>\n\n\n\n<p>C\u00e1c permissioned v\u00e0 permissionless blockchain ch\u1ec9 l\u00e0 nh\u1eefng nh\u00e1nh c\u1ee7a c\u00f9ng m\u1ed9t c\u00f4ng ngh\u1ec7, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhi\u1ec1u nhu c\u1ea7u kh\u00e1c nhau. C\u1ea3 hai \u0111\u1ec1u h\u1eefu \u00edch theo c\u00e1ch ri\u00eang c\u1ee7a m\u00ecnh, \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c m\u1ee5c \u0111\u00edch v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c nhau trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng l\u1ee3i \u00edch do permissionless blockchain mang l\u1ea1i kh\u00f4ng tr\u1ef1c ti\u1ebfp t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p, v\u00ec v\u1eady vi\u1ec7c m\u1ed9t c\u00f4ng ty n\u00f3i r\u1eb1ng m\u00ecnh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 blockchain kh\u00f4ng h\u1eb3n ngh\u0129a l\u00e0 n\u00f3 ri\u00eang t\u01b0 ho\u1eb7c phi t\u1eadp trung h\u01a1n nhi\u1ec1u so v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng. N\u1eafm \u0111\u01b0\u1ee3c s\u1ef1 bi\u1ec7t gi\u1eefa permissioned v\u00e0 permissionless blockchain l\u00e0 m\u1ed9t ph\u1ea7n kh\u00e1 quan tr\u1ecdng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t trong nh\u1eefng ph\u1ea7n l\u1edbn nh\u1ea5t trong c\u00f4ng ngh\u1ec7\u00a0blockchain\u00a0ch\u00ednh l\u00e0 permissioned blockchain (blockchain \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p hay blockchain \u0111\u00f3ng) v\u00e0 permissionless blockchain (blockchain kh\u00f4ng c\u1ea7n c\u1ea5p ph\u00e9p hay blockchain m\u1edf). S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-558","post","type-post","status-publish","format-standard","hentry","category-blockchain"],"_links":{"self":[{"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/posts\/558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/comments?post=558"}],"version-history":[{"count":1,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/posts\/558\/revisions"}],"predecessor-version":[{"id":559,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/posts\/558\/revisions\/559"}],"wp:attachment":[{"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/media?parent=558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/categories?post=558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.asianux.org.vn\/index.php\/wp-json\/wp\/v2\/tags?post=558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}