{"id":5966,"date":"2021-03-13T10:41:43","date_gmt":"2021-03-13T03:41:43","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=5966"},"modified":"2021-03-13T10:41:43","modified_gmt":"2021-03-13T03:41:43","slug":"van-de-han-che-cua-blockchain","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/insights\/vi\/van-de-han-che-cua-blockchain\/","title":{"rendered":"C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a Blockchain l\u00e0 g\u00ec?"},"content":{"rendered":"

Lu\u00f4n c\u00f3 nh\u1eefng b\u01b0\u1edbc \u0111i nguy hi\u1ec3m trong b\u1ea5t k\u1ef3 cu\u1ed9c c\u00e1ch m\u1ea1ng c\u00f4ng ngh\u1ec7 n\u00e0o.<\/b><\/h2>\n

<\/p>\n

M\u1ed9t s\u1ed1 ng\u01b0\u1eddi trong ng\u00e0nh c\u00f4ng nghi\u1ec7p blockchain \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng blockchain \u0111\u00e3 tr\u1edf n\u00ean qu\u00e1 c\u01b0\u1eddng \u0111i\u1ec7u h\u00f3a, trong th\u1ef1c t\u1ebf, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u t\u01b0\u01a1ng t\u00e1c k\u1ef9 thu\u1eadt s\u1ed1.<\/span><\/p>\n

Nh\u01b0ng th\u00f4ng qua nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n, th\u00e0nh c\u00f4ng v\u00e0 th\u1ea5t b\u1ea1i, ph\u00e9p th\u1eed v\u00e0 sai, ch\u00fang t\u00f4i \u0111\u00e3 r\u00fat ra \u0111\u01b0\u1ee3c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 h\u1ea1n ch\u1ebf hi\u1ec7n t\u1ea1i c\u1ee7a blockchain.<\/span><\/p>\n

S\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a blockchain<\/b><\/h2>\n

C\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i li\u00ean quan \u0111\u1ebfn m\u1ed9t c\u1ee5m t\u1eeb v\u1ef1ng ho\u00e0n to\u00e0n m\u1edbi.<\/span><\/p>\n

N\u00f3 \u0111\u00e3 l\u00e0m cho m\u00e3 h\u00f3a tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n, nh\u01b0ng ng\u00e0nh c\u00f4ng nghi\u1ec7p chuy\u00ean m\u00f4n cao l\u1ea1i ch\u1ee9a \u0111\u1ea7y nh\u1eefng bi\u1ec7t ng\u1eef. R\u1ea5t may, \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 ngu\u1ed3n cung c\u1ea5p c\u00e1c b\u1ea3ng gi\u1ea3i th\u00edch thu\u1eadt ng\u1eef v\u00e0 ch\u1ec9 m\u1ee5c m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 d\u1ec5 hi\u1ec3u.<\/span><\/p>\n

K\u00edch th\u01b0\u1edbc m\u1ea1ng<\/b><\/h2>\n

\u0110\u00e2y l\u00e0 m\u1ed9t h\u1ea1n ch\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7 blockchain g\u1eb7p ph\u1ea3i.<\/p>\n

C\u00e1c blockchain (gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n) kh\u00f4ng c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c nh\u00e2n x\u1ea5u v\u00ec ch\u00fang l\u00e0 ‘antifragile’<\/a> – t\u1ee9c l\u00e0 ch\u00fang ph\u1ea3n \u1ee9ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh h\u01a1n.<\/span><\/p>\n

Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi c\u1ea7n c\u00f3 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ng\u01b0\u1eddi d\u00f9ng l\u1edbn. N\u1ebfu m\u1ed9t blockchain kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u1ea1ng m\u1ea1nh m\u1ebd v\u1edbi m\u1ea1ng l\u01b0\u1edbi c\u00e1c n\u00fat \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i r\u1ed9ng r\u00e3i, th\u00ec vi\u1ec7c thu \u0111\u01b0\u1ee3c l\u1ee3i \u00edch \u0111\u1ea7y \u0111\u1ee7 t\u1eeb n\u00f3 s\u1ebd tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/span><\/p>\n

\u0110\u00e3 c\u00f3 m\u1ed9t s\u1ed1 th\u1ea3o lu\u1eadn v\u00e0 tranh lu\u1eadn v\u1ec1 vi\u1ec7c li\u1ec7u \u0111\u00e2y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n blockchain \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p hay kh\u00f4ng.<\/span><\/p>\n

Chi ph\u00ed giao d\u1ecbch, t\u1ed1c \u0111\u1ed9 m\u1ea1ng c\u1ee7a chu\u1ed7i kh\u1ed1i<\/b><\/h2>\n

Bitcoin hi\u1ec7n c\u00f3 chi ph\u00ed giao d\u1ecbch \u0111\u00e1ng ch\u00fa \u00fd sau khi \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o l\u00e0 ‘g\u1ea7n nh\u01b0 mi\u1ec5n ph\u00ed’ trong v\u00e0i n\u0103m \u0111\u1ea7u ti\u00ean t\u1ed3n t\u1ea1i.<\/span><\/p>\n

T\u00ednh \u0111\u1ebfn cu\u1ed1i n\u0103m 2016, n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 x\u1eed l\u00fd kho\u1ea3ng b\u1ea3y giao d\u1ecbch m\u1ed7i gi\u00e2y v\u00e0 m\u1ed7i giao d\u1ecbch c\u00f3 gi\u00e1 kho\u1ea3ng $ 0,20 v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef 80 byte d\u1eef li\u1ec7u.<\/span><\/p>\n

Ngo\u00e0i ra c\u00f2n c\u00f3 kh\u00eda c\u1ea1nh mang t\u00ednh ch\u00ednh tr\u1ecb c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng chu\u1ed7i kh\u1ed1i bitcoin<\/a>, kh\u00f4ng ph\u1ea3i cho c\u00e1c giao d\u1ecbch, m\u00e0 l\u00e0 m\u1ed9t n\u01a1i l\u01b0u tr\u1eef th\u00f4ng tin. \u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi ” \u0111\u1ea7y h\u01a1i ” v\u00e0 th\u01b0\u1eddng g\u00e2y kh\u00f3 ch\u1ecbu v\u00ec n\u00f3 bu\u1ed9c c\u00e1c th\u1ee3 \u0111\u00e0o ph\u1ea3i x\u1eed l\u00fd l\u1ea1i v\u00e0 ghi l\u1ea1i th\u00f4ng tin m\u1ed9t c\u00e1ch v\u0129nh vi\u1ec5n.<\/span><\/p>\n

L\u1ed7i t\u1eeb con ng\u01b0\u1eddi<\/b><\/h2>\n

N\u1ebfu m\u1ed9t blockchain \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u01a1 s\u1edf d\u1eef li\u1ec7u, th\u00f4ng tin \u0111i v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ea7n ph\u1ea3i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean blockchain v\u1ed1n d\u0129 kh\u00f4ng \u0111\u00e1ng tin c\u1eady, v\u00ec v\u1eady c\u00e1c s\u1ef1 ki\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c ghi l\u1ea1i ch\u00ednh x\u00e1c ngay t\u1eeb \u0111\u1ea7u.<\/span><\/p>\n

C\u1ee5m t\u1eeb ‘r\u00e1c \u0111\u1ea7u v\u00e0o quy\u1ebft \u0111\u1ecbnh r\u00e1c \u0111\u1ea7u ra’ \u0111\u00fang trong h\u1ec7 th\u1ed1ng h\u1ed3 s\u01a1 blockchain, c\u0169ng gi\u1ed1ng nh\u01b0 v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eadp trung.<\/span><\/p>\n

L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi c\u1ee7a c\u00f4ng ngh\u1ec7 chu\u1ed7i kh\u1ed1i<\/b><\/h2>\n

C\u00f3 m\u1ed9t l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u00e1ng ch\u00fa \u00fd trong bitcoin v\u00e0 c\u00e1c blockchain kh\u00e1c: n\u1ebfu h\u01a1n m\u1ed9t n\u1eeda s\u1ed1 m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c n\u00fat \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ea1ng c\u00f9ng n\u00f3i d\u1ed1i, th\u00ec l\u1eddi n\u00f3i d\u1ed1i s\u1ebd tr\u1edf th\u00e0nh s\u1ef1 th\u1eadt. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ‘cu\u1ed9c t\u1ea5n c\u00f4ng 51%’ v\u00e0 \u0111\u01b0\u1ee3c Satoshi Nakamoto<\/a> nh\u1ea5n m\u1ea1nh khi \u00f4ng tung ra bitcoin.<\/span><\/p>\n

V\u00ec l\u00fd do n\u00e0y, c\u00e1c nh\u00f3m khai th\u00e1c bitcoin \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd b\u1edfi c\u1ed9ng \u0111\u1ed3ng, \u0111\u1ea3m b\u1ea3o kh\u00f4ng ai v\u00f4 t\u00ecnh c\u00f3 \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ea1ng l\u01b0\u1edbi nh\u01b0 v\u1eady.<\/span><\/p>\n

Th\u00e1nh th\u1ee9c ch\u00ednh tr\u1ecb c\u0169ng l\u00e0 m\u1ed9t h\u1ea1n ch\u1ebf c\u1ee7a blockchain<\/b><\/h2>\n

B\u1edfi v\u00ec c\u00e1c giao th\u1ee9c blockchain mang l\u1ea1i c\u01a1 h\u1ed9i s\u1ed1 h\u00f3a c\u00e1c m\u00f4 h\u00ecnh qu\u1ea3n tr\u1ecb v\u00e0 v\u00ec c\u00e1c th\u1ee3 \u0111\u00e0o v\u1ec1 c\u01a1 b\u1ea3n \u0111ang h\u00ecnh th\u00e0nh m\u1ed9t lo\u1ea1i m\u00f4 h\u00ecnh qu\u1ea3n tr\u1ecb \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch ki\u1ec3u\u00a0 kh\u00e1c, n\u00ean \u0111\u00e3 c\u00f3 r\u1ea5t nhi\u1ec1u c\u01a1 h\u1ed9i cho nh\u1eefng b\u1ea5t \u0111\u1ed3ng c\u00f4ng khai gi\u1eefa c\u00e1c nh\u00f3m c\u1ed9ng \u0111\u1ed3ng kh\u00e1c nhau.<\/span><\/p>\n

Nh\u1eefng b\u1ea5t \u0111\u1ed3ng n\u00e0y l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p blockchain v\u00e0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 r\u00e0ng nh\u1ea5t xung quanh c\u00e2u h\u1ecfi ho\u1eb7c s\u1ef1 ki\u1ec7n \u2018ph\u00e2n nh\u00e1nh\u2019 c\u1ee7a m\u1ed9t blockchain, m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u1eadp nh\u1eadt giao th\u1ee9c blockchain khi \u0111a s\u1ed1 ng\u01b0\u1eddi d\u00f9ng c\u1ee7a blockchain \u0111\u00e3 \u0111\u1ed3ng \u00fd v\u1edbi n\u00f3.<\/span><\/p>\n

Nh\u1eefng cu\u1ed9c tranh lu\u1eadn n\u00e0y c\u00f3 th\u1ec3 r\u1ea5t mang t\u00ednh\u00a0 k\u1ef9 thu\u1eadt v\u00e0 \u0111\u00f4i khi n\u00f3ng h\u1ed5i, nh\u01b0ng c\u0169ng mang l\u1ea1i nhi\u1ec1u th\u00f4ng tin cho nh\u1eefng ai quan t\u00e2m \u0111\u1ebfn s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa d\u00e2n ch\u1ee7, s\u1ef1 \u0111\u1ed3ng thu\u1eadn v\u00e0 c\u00e1c c\u01a1 h\u1ed9i m\u1edbi \u0111\u1ec3 th\u1eed nghi\u1ec7m qu\u1ea3n tr\u1ecb m\u00e0 c\u00f4ng ngh\u1ec7 blockchain \u0111ang m\u1edf ra.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Lu\u00f4n c\u00f3 nh\u1eefng b\u01b0\u1edbc \u0111i nguy hi\u1ec3m trong b\u1ea5t k\u1ef3 cu\u1ed9c c\u00e1ch m\u1ea1ng c\u00f4ng ngh\u1ec7 n\u00e0o.<\/p>\n","protected":false},"author":11,"featured_media":5970,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-5966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topic-guide"],"yoast_head":"\nC\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a Blockchain l\u00e0 g\u00ec? - BitcoinVN Insights<\/title>\n<meta name=\"description\" content=\"M\u1ed9t s\u1ed1 ng\u01b0\u1eddi \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng blockchain b\u1ecb qu\u00e1 c\u01b0\u1eddng \u0111i\u1ec7u h\u00f3a, c\u00f4ng ngh\u1ec7 n\u00e0y c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u t\u01b0\u01a1ng t\u00e1c k\u1ef9 thu\u1eadt s\u1ed1.\" 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