{"id":4946,"date":"2026-02-07T09:14:41","date_gmt":"2026-02-07T08:14:41","guid":{"rendered":"https:\/\/www.thermannpro.cz\/blog\/phan-tich-toan-hoc-ve-tich-hop-vi-dien-tu-trong-cac-song-bac-truc-tuyen-an-toan-thanh-toan-va-toi-uu-hoa-rui-ro\/"},"modified":"2026-02-07T09:14:41","modified_gmt":"2026-02-07T08:14:41","slug":"phan-tich-toan-hoc-ve-tich-hop-vi-dien-tu-trong-cac-song-bac-truc-tuyen-an-toan-thanh-toan-va-toi-uu-hoa-rui-ro","status":"publish","type":"post","link":"https:\/\/www.thermannpro.cz\/sk\/blog\/phan-tich-toan-hoc-ve-tich-hop-vi-dien-tu-trong-cac-song-bac-truc-tuyen-an-toan-thanh-toan-va-toi-uu-hoa-rui-ro\/","title":{"rendered":"Ph\u00e2n t\u00edch To\u00e1n h\u1ecdc v\u1ec1 T\u00edch h\u1ee3p V\u00ed \u0111i\u1ec7n t\u1eed trong C\u00e1c S\u00f2ng b\u1ea1c Tr\u1ef1c tuy\u1ebfn: An to\u00e0n Thanh to\u00e1n v\u00e0 T\u1ed1i \u01b0u Ho\u00e1 R\u1ee7i ro"},"content":{"rendered":"<p>Trong v\u00f2ng v\u00e0i n\u0103m qua, ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u00f2ng b\u1ea1c tr\u1ef1c tuy\u1ebfn \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ee9c t\u0103ng tr\u01b0\u1edfng ngo\u1ea1n m\u1ee5c, v\u1edbi doanh thu to\u00e0n c\u1ea7u v\u01b0\u1ee3t h\u00e0ng ch\u1ee5c t\u1ef7 \u0111\u00f4 la. S\u1ef1 b\u00f9ng n\u1ed5 n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb vi\u1ec7c m\u1edf r\u1ed9ng danh m\u1ee5c tr\u00f2 ch\u01a1i, m\u00e0 c\u00f2n nh\u1edd v\u00e0o vi\u1ec7c c\u1ea3i ti\u1ebfn c\u00e1c ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n. Ng\u01b0\u1eddi ch\u01a1i ng\u00e0y c\u00e0ng \u01b0u ti\u00ean c\u00e1c gi\u1ea3i ph\u00e1p nhanh ch\u00f3ng, an to\u00e0n v\u00e0 kh\u00f4ng c\u1ea7n chia s\u1ebb th\u00f4ng tin ng\u00e2n h\u00e0ng tr\u1ef1c ti\u1ebfp; do \u0111\u00f3, v\u00ed \u0111i\u1ec7n t\u1eed \u0111\u00e3 tr\u1edf th\u00e0nh \u201cc\u1ea7u n\u1ed1i\u201d quan tr\u1ecdng gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 n\u1ec1n t\u1ea3ng casino.  <\/p>\n<p>Vi\u1ec7c t\u00edch h\u1ee3p v\u00ed \u0111i\u1ec7n t\u1eed kh\u00f4ng ch\u1ec9 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi ch\u01a1i m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u th\u1eddi gian x\u1eed l\u00fd n\u1ea1p\/r\u00fat, \u0111\u1ed3ng th\u1eddi m\u1edf ra c\u01a1 h\u1ed9i cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh khuy\u1ebfn m\u00e3i linh ho\u1ea1t h\u01a1n. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi quan t\u00e2m t\u1edbi c\u00e1 \u0111\u1ed9 b\u00f3ng \u0111\u00e1, trang <a href=\"https:\/\/www.re-title.com\" target=\"_blank\">trang c\u00e1 \u0111\u1ed9 b\u00f3ng \u0111\u00e1 sport betting<\/a> cung c\u1ea5p th\u00f4ng tin b\u1ed5 tr\u1ee3 v\u1ec1 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n ph\u1ed5 bi\u1ebfn, gi\u00fap ng\u01b0\u1eddi d\u00f9ng so s\u00e1nh l\u1ee3i \u00edch gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.  <\/p>\n<p>C\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u \u0111\u1eb7t ra l\u00e0: \u201cC\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc n\u00e0o c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch m\u1ee9c \u0111\u1ed9 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p thanh to\u00e1n hi\u1ec7n \u0111\u1ea1i trong m\u00f4i tr\u01b0\u1eddng casino tr\u1ef1c tuy\u1ebfn?\u201d B\u00e0i vi\u1ebft s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 x\u00e1c su\u1ea5t, chu\u1ed7i Markov, l\u00fd thuy\u1ebft h\u00e0ng \u0111\u1ee3i v\u00e0 c\u00e1c thu\u1eadt to\u00e1n m\u00e3 ho\u00e1 \u0111\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y.  <\/p>\n<h2>1. L\u1ecbch s\u1eed v\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a v\u00ed \u0111i\u1ec7n t\u1eed trong ng\u00e0nh casino tr\u1ef1c tuy\u1ebfn<\/h2>\n<p>Ban \u0111\u1ea7u, c\u00e1c s\u00f2ng b\u1ea1c tr\u1ef1c tuy\u1ebfn ch\u1ec9 ch\u1ea5p nh\u1eadn th\u1ebb t\u00edn d\u1ee5ng v\u00e0 chuy\u1ec3n kho\u1ea3n ng\u00e2n h\u00e0ng, khi\u1ebfn th\u1eddi gian giao d\u1ecbch k\u00e9o d\u00e0i v\u00e0 r\u1ee7i ro gian l\u1eadn cao. N\u0103m 2010, c\u00e1c nh\u00e0 cung c\u1ea5p b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m v\u00ed \u0111i\u1ec7n t\u1eed (e\u2011wallet) nh\u01b0 Skrill v\u00e0 Neteller, cho ph\u00e9p ng\u01b0\u1eddi ch\u01a1i n\u1ea1p ti\u1ec1n ch\u1ec9 trong v\u00e0i gi\u00e2y. \u0110\u1ebfn 2015, s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c n\u1ec1n t\u1ea3ng casino v\u00e0 ng\u00e2n h\u00e0ng \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u00e3 t\u1ea1o ra c\u00e1c v\u00ed trung gian c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt \u0111a l\u1edbp.  <\/p>\n<p>S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00f4ng ngh\u1ec7 blockchain v\u00e0o n\u0103m 2018 \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ngo\u1eb7t: c\u00e1c v\u00ed d\u1ef1a tr\u00ean chu\u1ed7i kh\u1ed1i kh\u00f4ng ch\u1ec9 gi\u1ea3m ph\u00ed giao d\u1ecbch m\u00e0 c\u00f2n cung c\u1ea5p t\u00ednh minh b\u1ea1ch tuy\u1ec7t \u0111\u1ed1i. Theo s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea c\u1ee7a c\u00e1c c\u00f4ng ty ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng, s\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch qua v\u00ed \u0111i\u1ec7n t\u1eed trong ng\u00e0nh casino \u0111\u00e3 t\u0103ng 68\u202f% so v\u1edbi n\u0103m 2017, v\u00e0 gi\u00e1 tr\u1ecb giao d\u1ecbch trung b\u00ecnh m\u1ed7i th\u00e1ng \u0111\u1ea1t h\u01a1n 3,2 t\u1ef7 USD.  <\/p>\n<p>Xu h\u01b0\u1edbng hi\u1ec7n nay h\u01b0\u1edbng t\u1edbi vi\u1ec7c t\u00edch h\u1ee3p \u0111a n\u1ec1n t\u1ea3ng, cho ph\u00e9p ng\u01b0\u1eddi ch\u01a1i s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t v\u00ed tr\u00ean \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, \u0111\u1ed3ng th\u1eddi k\u1ebft n\u1ed1i v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 t\u00e0i ch\u00ednh phi truy\u1ec1n th\u1ed1ng nh\u01b0 stablecoin.  <\/p>\n<h2>2. C\u00e1c lo\u1ea1i v\u00ed \u0111i\u1ec7n t\u1eed ph\u1ed5 bi\u1ebfn v\u00e0 ki\u1ebfn tr\u00fac k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang<\/h2>\n<p>V\u00ed \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i ch\u00ednh th\u00e0nh hai nh\u00f3m: v\u00ed n\u00f3ng (hot wallet) v\u00e0 v\u00ed l\u1ea1nh (cold wallet). V\u00ed n\u00f3ng l\u01b0u tr\u1eef kh\u00f3a ri\u00eang tr\u00ean m\u00e1y ch\u1ee7 tr\u1ef1c tuy\u1ebfn, th\u00edch h\u1ee3p cho giao d\u1ecbch nhanh nh\u01b0ng c\u00f3 nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng m\u1ea1ng. Ng\u01b0\u1ee3c l\u1ea1i, v\u00ed l\u1ea1nh l\u01b0u tr\u1eef kh\u00f3a tr\u00ean thi\u1ebft b\u1ecb ngo\u1ea1i tuy\u1ebfn, an to\u00e0n h\u01a1n nh\u01b0ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd ch\u1eadm h\u01a1n.  <\/p>\n<p>Ngo\u00e0i ra, c\u00f2n c\u00f3 v\u00ed trung gian (gateway wallet) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp trung gian gi\u1eefa ng\u01b0\u1eddi ch\u01a1i v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 thanh to\u00e1n, v\u00e0 v\u00ed \u0111a n\u1ec1n t\u1ea3ng (multi\u2011platform wallet) h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ti\u1ec1n t\u1ec7 v\u00e0 token. Ki\u1ebfn tr\u00fac API c\u1ee7a c\u00e1c v\u00ed n\u00e0y th\u01b0\u1eddng d\u1ef1a tr\u00ean giao th\u1ee9c REST, cho ph\u00e9p c\u00e1c nh\u00e0 casino g\u1ecdi c\u00e1c endpoint nh\u01b0 \u201ccreateTransaction\u201d, \u201cverifyPayment\u201d v\u00e0 nh\u1eadn ph\u1ea3n h\u1ed3i qua webhook. Token ho\u00e1 (tokenization) \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 thay th\u1ebf s\u1ed1 th\u1ebb th\u1ef1c b\u1eb1ng m\u1ed9t token duy nh\u1ea5t, gi\u1ea3m thi\u1ec3u r\u1ee7i ro r\u00f2 r\u1ec9 d\u1eef li\u1ec7u.  <\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i v\u00ed<\/th>\n<th>L\u01b0u tr\u1eef kh\u00f3a<\/th>\n<th>T\u1ed1c \u0111\u1ed9<\/th>\n<th>\u0110\u1ed9 an to\u00e0n<\/th>\n<th>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u00ed n\u00f3ng<\/td>\n<td>M\u00e1y ch\u1ee7<\/td>\n<td>Nhanh<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>N\u1ea1p ti\u1ec1n nhanh trong slot<\/td>\n<\/tr>\n<tr>\n<td>V\u00ed l\u1ea1nh<\/td>\n<td>Thi\u1ebft b\u1ecb ngo\u1ea1i tuy\u1ebfn<\/td>\n<td>Ch\u1eadm<\/td>\n<td>Cao<\/td>\n<td>R\u00fat ti\u1ec1n l\u1edbn, l\u01b0u tr\u1eef BTC<\/td>\n<\/tr>\n<tr>\n<td>V\u00ed trung gian<\/td>\n<td>Server + gateway<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<td>Thanh to\u00e1n \u0111a k\u00eanh<\/td>\n<\/tr>\n<tr>\n<td>V\u00ed \u0111a n\u1ec1n t\u1ea3ng<\/td>\n<td>Cloud + mobile<\/td>\n<td>Nhanh<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>\u1ee8ng d\u1ee5ng di \u0111\u1ed9ng casino<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a ki\u1ebfn tr\u00fac API l\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00edch h\u1ee3p nhanh ch\u00f3ng, trong khi nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 endpoint.  <\/p>\n<h2>3. M\u00f4 h\u00ecnh x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 (MFA) v\u00e0 x\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc trong giao d\u1ecbch casino<\/h2>\n<p>MFA k\u1ebft h\u1ee3p \u00edt nh\u1ea5t ba l\u1edbp b\u1ea3o m\u1eadt: m\u1eadt kh\u1ea9u (\u0111i\u1ec1u g\u00ec ng\u01b0\u1eddi d\u00f9ng bi\u1ebft), OTP (\u0111i\u1ec1u g\u00ec ng\u01b0\u1eddi d\u00f9ng c\u00f3) v\u00e0 sinh tr\u1eafc h\u1ecdc (\u0111i\u1ec1u g\u00ec ng\u01b0\u1eddi d\u00f9ng l\u00e0). Khi m\u1ed9t giao d\u1ecbch \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o, h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u ng\u01b0\u1eddi ch\u01a1i nh\u1eadp m\u1eadt kh\u1ea9u, sau \u0111\u00f3 nh\u1eadn m\u00e3 OTP qua SMS ho\u1eb7c \u1ee9ng d\u1ee5ng authenticator, v\u00e0 cu\u1ed1i c\u00f9ng x\u00e1c nh\u1eadn d\u1ea5u v\u00e2n tay ho\u1eb7c nh\u1eadn di\u1ec7n khu\u00f4n m\u1eb7t.  <\/p>\n<p>N\u1ebfu x\u00e1c su\u1ea5t m\u1ed9t k\u1ebb t\u1ea5n c\u00f4ng ph\u00e1 v\u1ee1 m\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 p\u2081, p\u2082, p\u2083, th\u00ec x\u00e1c su\u1ea5t th\u00e0nh c\u00f4ng t\u1ed5ng th\u1ec3 l\u00e0 P = p\u2081 \u00d7 p\u2082 \u00d7 p\u2083. Gi\u1ea3 s\u1eed p\u2081 = 0.01 (1\u202f% kh\u1ea3 n\u0103ng \u0111o\u00e1n m\u1eadt kh\u1ea9u), p\u2082 = 0.001 (0.1\u202f% kh\u1ea3 n\u0103ng ch\u1eb7n OTP) v\u00e0 p\u2083 = 0.0001 (0.01\u202f% kh\u1ea3 n\u0103ng gi\u1ea3 m\u1ea1o sinh tr\u1eafc h\u1ecdc), th\u00ec P = 0.01 \u00d7 0.001 \u00d7 0.0001 = 1\u202f\u00d7\u202f10\u207b\u2079, t\u1ee9c l\u00e0 m\u1ed9t trong m\u1ed9t t\u1ef7 giao d\u1ecbch c\u00f3 th\u1ec3 b\u1ecb x\u00e2m nh\u1eadp.  <\/p>\n<p>C\u00e1c n\u1ec1n t\u1ea3ng casino h\u00e0ng \u0111\u1ea7u nh\u01b0 Bet365 v\u00e0 888casino \u0111\u00e3 tri\u1ec3n khai MFA to\u00e0n di\u1ec7n, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng b\u1eadt t\u00f9y ch\u1ecdn sinh tr\u1eafc h\u1ecdc tr\u00ean \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng. K\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf cho th\u1ea5y t\u1ec9 l\u1ec7 gian l\u1eadn gi\u1ea3m kho\u1ea3ng 73\u202f% so v\u1edbi h\u1ec7 th\u1ed1ng ch\u1ec9 d\u00f9ng m\u1eadt kh\u1ea9u.  <\/p>\n<h2>4. Ph\u00e2n t\u00edch x\u00e1c su\u1ea5t r\u1ee7i ro gian l\u1eadn thanh to\u00e1n b\u1eb1ng m\u00f4 h\u00ecnh Bernoulli<\/h2>\n<p>M\u1ed7i giao d\u1ecbch c\u00f3 th\u1ec3 coi l\u00e0 m\u1ed9t bi\u1ebfn ng\u1eabu nhi\u00ean X tu\u00e2n theo ph\u00e2n ph\u1ed1i Bernoulli(p), trong \u0111\u00f3 p l\u00e0 x\u00e1c su\u1ea5t giao d\u1ecbch b\u1ea5t th\u01b0\u1eddng (fraud). Khi x\u00e9t 10.000 giao d\u1ecbch trong m\u1ed9t ng\u00e0y, n\u1ebfu p = 0.0005 (0.05\u202f% giao d\u1ecbch c\u00f3 d\u1ea5u hi\u1ec7u gian l\u1eadn), th\u00ec k\u1ef3 v\u1ecdng E[X] = n \u00d7 p = 10.000 \u00d7 0.0005 = 5 giao d\u1ecbch b\u1ea5t th\u01b0\u1eddng.  <\/p>\n<p>Ph\u00e2n ph\u1ed1i Bernoulli cho ph\u00e9p t\u00ednh x\u00e1c su\u1ea5t c\u00f3 \u0111\u00fang k giao d\u1ecbch gian l\u1eadn b\u1eb1ng c\u00f4ng th\u1ee9c C(n, k) \u00d7 p^k \u00d7 (1\u2011p)^(n\u2011k). V\u00ed d\u1ee5, x\u00e1c su\u1ea5t c\u00f3 \u0111\u00fang 3 giao d\u1ecbch gian l\u1eadn trong 10.000 l\u00e0 C(10.000,3) \u00d7 (0.0005)^3 \u00d7 (0.9995)^9\u202f997 \u2248 0.18.  <\/p>\n<p>S\u1eed d\u1ee5ng m\u00f4 h\u00ecnh n\u00e0y, c\u00e1c nh\u00e0 casino c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp ng\u01b0\u1ee1ng c\u1ea3nh b\u00e1o khi s\u1ed1 giao d\u1ecbch b\u1ea5t th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 k\u1ef3 v\u1ecdng c\u1ed9ng m\u1ed9t ho\u1eb7c hai \u0111\u1ed9 l\u1ec7ch chu\u1ea9n, t\u1eeb \u0111\u00f3 k\u00edch ho\u1ea1t quy tr\u00ecnh ki\u1ec3m tra th\u1ee7 c\u00f4ng.  <\/p>\n<h2>5. M\u00f4 h\u00ecnh Markov Chain m\u00f4 t\u1ea3 h\u00e0nh vi ng\u01b0\u1eddi ch\u01a1i qua c\u00e1c b\u01b0\u1edbc thanh to\u00e1n<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh thanh to\u00e1n, ng\u01b0\u1eddi ch\u01a1i di chuy\u1ec3n qua c\u00e1c tr\u1ea1ng th\u00e1i: \u201ckh\u1edfi t\u1ea1o\u201d \u2192 \u201cch\u1edd x\u00e1c nh\u1eadn\u201d \u2192 \u201cth\u00e0nh c\u00f4ng\u201d ho\u1eb7c \u201cb\u1ecb t\u1eeb ch\u1ed1i\u201d. Ma tr\u1eadn chuy\u1ec3n tr\u1ea1ng th\u00e1i (P) c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n nh\u01b0 sau:  <\/p>\n<ul>\n<li>P[kh\u1edfi t\u1ea1o \u2192 ch\u1edd x\u00e1c nh\u1eadn] = 0.95  <\/li>\n<li>P[kh\u1edfi t\u1ea1o \u2192 b\u1ecb t\u1eeb ch\u1ed1i] = 0.05  <\/li>\n<li>P[ch\u1edd x\u00e1c nh\u1eadn \u2192 th\u00e0nh c\u00f4ng] = 0.98  <\/li>\n<li>P[ch\u1edd x\u00e1c nh\u1eadn \u2192 b\u1ecb t\u1eeb ch\u1ed1i] = 0.02  <\/li>\n<\/ul>\n<p>T\u1eeb ma tr\u1eadn n\u00e0y, x\u00e1c su\u1ea5t cu\u1ed1i c\u00f9ng \u0111\u1ea1t tr\u1ea1ng th\u00e1i \u201cth\u00e0nh c\u00f4ng\u201d l\u00e0 0.95 \u00d7 0.98 = 0.931, t\u1ee9c 93.1\u202f%.  <\/p>\n<p>Mean first\u2011pass time (MFPT) t\u00ednh th\u1eddi gian trung b\u00ecnh \u0111\u1ec3 t\u1edbi tr\u1ea1ng th\u00e1i \u201cth\u00e0nh c\u00f4ng\u201d b\u1eb1ng t\u1ed5ng th\u1eddi gian trung b\u00ecnh \u1edf m\u1ed7i tr\u1ea1ng th\u00e1i. N\u1ebfu th\u1eddi gian trung b\u00ecnh \u1edf \u201ckh\u1edfi t\u1ea1o\u201d l\u00e0 1 gi\u00e2y, \u201cch\u1edd x\u00e1c nh\u1eadn\u201d l\u00e0 2 gi\u00e2y, th\u00ec MFPT = 1 + 2 = 3 gi\u00e2y. C\u00e1c nh\u00e0 casino c\u00f3 th\u1ec3 t\u1ed1i \u01b0u ho\u00e1 b\u1eb1ng c\u00e1ch gi\u1ea3m th\u1eddi gian \u201cch\u1edd x\u00e1c nh\u1eadn\u201d th\u00f4ng qua c\u1ea3i ti\u1ebfn API, t\u1eeb \u0111\u00f3 r\u00fat ng\u1eafn MFPT xu\u1ed1ng d\u01b0\u1edbi 2 gi\u00e2y.  <\/p>\n<h2>6. Ph\u00e2n t\u00edch chi ph\u00ed giao d\u1ecbch: m\u00f4 h\u00ecnh Poisson v\u00e0 ph\u00e2n ph\u1ed1i exponential<\/h2>\n<p>S\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn (v\u00ed d\u1ee5 1 ph\u00fat) th\u01b0\u1eddng tu\u00e2n theo ph\u00e2n ph\u1ed1i Poisson v\u1edbi tham s\u1ed1 \u03bb = trung b\u00ecnh 120 giao d\u1ecbch\/ph\u00fat. X\u00e1c su\u1ea5t c\u00f3 k giao d\u1ecbch trong ph\u00fat \u0111\u00f3 l\u00e0 (e^\u2011\u03bb \u00d7 \u03bb^k) \/ k!. Khi \u03bb = 120, x\u00e1c su\u1ea5t c\u00f3 150 giao d\u1ecbch trong m\u1ed9t ph\u00fat gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 0.03, cho th\u1ea5y c\u00e1c \u0111\u1ee3t t\u0103ng \u0111\u1ed9t bi\u1ebfn l\u00e0 hi\u1ebfm.  <\/p>\n<p>Th\u1eddi gian gi\u1eefa c\u00e1c giao d\u1ecbch tu\u00e2n theo ph\u00e2n ph\u1ed1i exponential(\u03bb). Gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a th\u1eddi gian ch\u1edd l\u00e0 1\/\u03bb = 0.0083 ph\u00fat (kho\u1ea3ng 0.5 gi\u00e2y). Khi t\u1ea3i t\u0103ng l\u00ean \u03bb = 200, th\u1eddi gian trung b\u00ecnh gi\u1ea3m xu\u1ed1ng 0.3 gi\u00e2y, \u0111\u1ed3ng th\u1eddi \u00e1p l\u1ef1c l\u00ean m\u00e1y ch\u1ee7 t\u0103ng.  <\/p>\n<p>B\u1eb1ng c\u00e1ch d\u1ef1 b\u00e1o \u03bb qua ph\u00e2n t\u00edch l\u1ecbch s\u1eed, c\u00e1c nh\u00e0 casino c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u00e0i nguy\u00ean server, gi\u1ea3m ph\u00ed x\u1eed l\u00fd v\u00e0 tr\u00e1nh t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i.  <\/p>\n<h2>7. B\u1ea3o m\u1eadt d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng: m\u00e3 ho\u00e1 AES\u2011256 v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 ph\u1ee9c t\u1ea1p brute\u2011force<\/h2>\n<p>AES\u2011256 s\u1eed d\u1ee5ng kh\u00f3a 256 bit, ngh\u0129a l\u00e0 c\u00f3 2^256 kh\u1ea3 n\u0103ng kh\u00f3a kh\u00e1c nhau. S\u1ed1 n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 1.15\u202f\u00d7\u202f10^77, v\u01b0\u1ee3t qu\u00e1 s\u1ed1 h\u1ea1t trong v\u0169 tr\u1ee5 10^80. N\u1ebfu m\u1ed9t GPU hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n 10^12 ph\u00e9p th\u1eed m\u1ed7i gi\u00e2y, th\u1eddi gian \u0111\u1ec3 th\u1eed h\u1ebft t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a s\u1ebd l\u00e0 2^256 \/ 10^12 gi\u00e2y \u2248 3.7\u202f\u00d7\u202f10^55 n\u0103m, v\u01b0\u1ee3t th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a v\u0169 tr\u1ee5.  <\/p>\n<p>So s\u00e1nh v\u1edbi RSA\u20112048, n\u01a1i kh\u00f3a 2048 bit y\u00eau c\u1ea7u 2^2048 ph\u00e9p th\u1eed, th\u1eddi gian brute\u2011force v\u1eabn l\u00e0 v\u00f4 c\u00f9ng l\u1edbn, nh\u01b0ng RSA \u0111\u00f2i h\u1ecfi t\u00ednh to\u00e1n modulo l\u1edbn, khi\u1ebfn t\u1ed1c \u0111\u1ed9 gi\u1ea3i m\u00e3 ch\u1eadm h\u01a1n AES trong th\u1ef1c t\u1ebf. ECC (Elliptic Curve Cryptography) v\u1edbi kh\u00f3a 256 bit cung c\u1ea5p \u0111\u1ed9 an to\u00e0n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng RSA\u20113072 nh\u01b0ng v\u1edbi k\u00edch th\u01b0\u1edbc kh\u00f3a nh\u1ecf h\u01a1n, gi\u1ea3m chi ph\u00ed t\u00ednh to\u00e1n.  <\/p>\n<p>Do \u0111\u00f3, h\u1ea7u h\u1ebft c\u00e1c v\u00ed \u0111i\u1ec7n t\u1eed trong casino s\u1eed d\u1ee5ng AES\u2011256 cho vi\u1ec7c m\u00e3 ho\u00e1 d\u1eef li\u1ec7u l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i, k\u1ebft h\u1ee3p v\u1edbi RSA\/ECC \u0111\u1ec3 trao \u0111\u1ed5i kh\u00f3a an to\u00e0n.  <\/p>\n<h2>8. Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n giao d\u1ecbch b\u1eb1ng h\u00e0m b\u0103m SHA\u2011256 v\u00e0 Merkle Tree<\/h2>\n<p>SHA\u2011256 t\u1ea1o ra m\u1ed9t chu\u1ed7i 256 bit duy nh\u1ea5t cho m\u1ed7i giao d\u1ecbch. T\u00ednh ch\u1ea5t pre\u2011image resistance \u0111\u1ea3m b\u1ea3o kh\u00f4ng th\u1ec3 t\u00ecm ra giao d\u1ecbch g\u1ed1c t\u1eeb gi\u00e1 tr\u1ecb b\u0103m. Khi m\u1ed9t l\u00f4 giao d\u1ecbch ch\u1ee9a N m\u1ee5c, Merkle Tree \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch gh\u00e9p c\u1eb7p b\u0103m l\u1ea1i, t\u1ea1o ra n\u00fat cha cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c root hash duy nh\u1ea5t.  <\/p>\n<p>\u0110\u1ed9 s\u00e2u c\u1ee7a c\u00e2y l\u00e0 log\u2082(N) (l\u00e0m tr\u00f2n l\u00ean). V\u1edbi 1.024 giao d\u1ecbch, \u0111\u1ed9 s\u00e2u = 10, v\u00e0 \u0111\u1ec3 x\u00e1c minh m\u1ed9t giao d\u1ecbch c\u1ea7n ki\u1ec3m tra 10 hash. \u0110i\u1ec1u n\u00e0y gi\u1ea3m t\u1ea3i so v\u1edbi vi\u1ec7c ki\u1ec3m tra to\u00e0n b\u1ed9 l\u00f4, \u0111\u1ed3ng th\u1eddi cho ph\u00e9p ng\u01b0\u1eddi ch\u01a1i v\u00e0 nh\u00e0 casino nhanh ch\u00f3ng x\u00e1c nh\u1eadn t\u00ednh to\u00e0n v\u1eb9n.  <\/p>\n<h2>9. T\u1ed1i \u01b0u ho\u00e1 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd thanh to\u00e1n: m\u00f4 h\u00ecnh Queueing Theory (M\/M\/1)<\/h2>\n<p>M\u00f4 h\u00ecnh M\/M\/1 gi\u1ea3 \u0111\u1ecbnh th\u1eddi gian \u0111\u1ebfn giao d\u1ecbch v\u00e0 th\u1eddi gian ph\u1ee5c v\u1ee5 \u0111\u1ec1u tu\u00e2n theo ph\u00e2n ph\u1ed1i exponential, v\u1edbi \u03bb l\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ebfn (giao d\u1ecbch\/ph\u00fat) v\u00e0 \u03bc l\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ee5c v\u1ee5 (giao d\u1ecbch\/ph\u00fat). Th\u1eddi gian ch\u1edd trung b\u00ecnh W = 1 \/ (\u03bc \u2013 \u03bb).  <\/p>\n<p>N\u1ebfu m\u1ed9t server casino x\u1eed l\u00fd trung b\u00ecnh \u03bc = 300 giao d\u1ecbch\/ph\u00fat v\u00e0 \u03bb = 250 giao d\u1ecbch\/ph\u00fat trong gi\u1edd cao \u0111i\u1ec3m, th\u00ec W = 1 \/ (300 \u2013 250) = 0.02 ph\u00fat (1.2 gi\u00e2y). Khi \u03bb t\u0103ng l\u00ean 290, W t\u0103ng l\u00ean 0.05 ph\u00fat (3 gi\u00e2y), g\u00e2y ra \u0111\u1ed9 tr\u1ec5 \u0111\u00e1ng k\u1ec3.  <\/p>\n<p>B\u1eb1ng c\u00e1ch tri\u1ec3n khai c\u00e2n b\u1eb1ng t\u1ea3i (load balancing) v\u00e0 m\u1edf r\u1ed9ng server khi \u03bb ti\u1ebfp c\u1eadn \u03bc, c\u00e1c nh\u00e0 casino c\u00f3 th\u1ec3 duy tr\u00ec W d\u01b0\u1edbi 2 gi\u00e2y, n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi ch\u01a1i v\u00e0 gi\u1ea3m t\u1ef7 l\u1ec7 b\u1ecf giao d\u1ecbch.  <\/p>\n<h2>10. Ph\u00e2n t\u00edch t\u00e1c \u0111\u1ed9ng c\u1ee7a blockchain v\u00e0 smart contract \u0111\u1ed1i v\u1edbi an to\u00e0n thanh to\u00e1n<\/h2>\n<p>Blockchain cung c\u1ea5p c\u01a1 ch\u1ebf \u0111\u1ed3ng thu\u1eadn \u0111\u1ec3 x\u00e1c nh\u1eadn giao d\u1ecbch. Proof\u2011of\u2011Work (PoW) y\u00eau c\u1ea7u c\u00e1c miner gi\u1ea3i m\u1ed9t b\u00e0i to\u00e1n hash, trong khi Proof\u2011of\u2011Stake (PoS) d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng token n\u1eafm gi\u1eef. X\u00e1c su\u1ea5t m\u1ed9t th\u1ef1c th\u1ec3 th\u1ef1c hi\u1ec7n 51\u202f% attack trong PoW \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng (p)\u00b3, trong \u0111\u00f3 p l\u00e0 t\u1ef7 l\u1ec7 hash power c\u1ee7a k\u1ebb t\u1ea5n c\u00f4ng. N\u1ebfu p = 0.4, x\u00e1c su\u1ea5t th\u00e0nh c\u00f4ng \u2248 0.064 (6.4\u202f%).  <\/p>\n<p>Smart contract cho ph\u00e9p t\u1ef1 \u0111\u1ed9ng ho\u00e1 quy tr\u00ecnh n\u1ea1p\/r\u00fat ti\u1ec1n m\u00e0 kh\u00f4ng c\u1ea7n trung gian, gi\u1ea3m thi\u1ec3u l\u1ed7i con ng\u01b0\u1eddi v\u00e0 chi ph\u00ed giao d\u1ecbch. Tuy nhi\u00ean, l\u1ed7i l\u1eadp tr\u00ecnh trong contract c\u00f3 th\u1ec3 b\u1ecb khai th\u00e1c, nh\u01b0 v\u1ee5 DAO hack 2016. Do \u0111\u00f3, vi\u1ec7c audit code v\u00e0 s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng blockchain \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng l\u00e0 c\u1ea7n thi\u1ebft.  <\/p>\n<h2>11. \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf: ROI v\u00e0 m\u00f4 h\u00ecnh Cost\u2011Benefit Analysis<\/h2>\n<p>ROI = (L\u1ee3i nhu\u1eadn thu\u1ea7n \u2013 Chi ph\u00ed \u0111\u1ea7u t\u01b0) \/ Chi ph\u00ed \u0111\u1ea7u t\u01b0. Gi\u1ea3 s\u1eed m\u1ed9t s\u00f2ng b\u1ea1c \u0111\u1ea7u t\u01b0 2 tri\u1ec7u USD \u0111\u1ec3 tri\u1ec3n khai v\u00ed \u0111i\u1ec7n t\u1eed, trong \u0111\u00f3 1.2 tri\u1ec7u USD cho ph\u00e1t tri\u1ec3n, 0.5 tri\u1ec7u USD cho b\u1ea3o tr\u00ec n\u0103m \u0111\u1ea7u, v\u00e0 0.3 tri\u1ec7u USD cho tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. N\u0103m \u0111\u1ea7u ti\u00ean, nh\u1edd gi\u1ea3m ph\u00ed giao d\u1ecbch v\u00e0 t\u0103ng m\u1ee9c n\u1ea1p, l\u1ee3i nhu\u1eadn thu\u1ea7n t\u0103ng th\u00eam 3.5 tri\u1ec7u USD. ROI = (3.5 \u2013 2) \/ 2 = 0.75, t\u1ee9c 75\u202f% l\u1ee3i nhu\u1eadn tr\u00ean v\u1ed1n \u0111\u1ea7u t\u01b0.  <\/p>\n<p>Ph\u00e2n t\u00edch chi ph\u00ed\u2011l\u1ee3i \u00edch c\u00f2n bao g\u1ed3m c\u00e1c y\u1ebfu t\u1ed1 phi t\u00e0i ch\u00ednh: t\u0103ng \u0111\u1ed9 tin c\u1eady, gi\u1ea3m t\u1ef7 l\u1ec7 gian l\u1eadn, v\u00e0 c\u1ea3i thi\u1ec7n h\u00ecnh \u1ea3nh th\u01b0\u01a1ng hi\u1ec7u. V\u00ed d\u1ee5, khi tham kh\u1ea3o trang Re Title, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 so s\u00e1nh chi ph\u00ed giao d\u1ecbch gi\u1eefa c\u00e1c v\u00ed v\u00e0 ch\u1ecdn gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, gi\u00fap casino gi\u1ea3m chi ph\u00ed trung gian.  <\/p>\n<h2>12. C\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh qu\u1ed1c t\u1ebf v\u1ec1 thanh to\u00e1n trong casino tr\u1ef1c tuy\u1ebfn<\/h2>\n<p>PCI\u2011DSS (Payment Card Industry Data Security Standard) y\u00eau c\u1ea7u m\u00e3 ho\u00e1 d\u1eef li\u1ec7u th\u1ebb, ki\u1ec3m so\u00e1t truy c\u1eadp v\u00e0 gi\u00e1m s\u00e1t li\u00ean t\u1ee5c. e\u2011CASH quy \u0111\u1ecbnh v\u1ec1 vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u t\u00e0i ch\u00ednh qua c\u00e1c k\u00eanh \u0111i\u1ec7n t\u1eed, trong khi GDPR b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi ch\u01a1i EU.  <\/p>\n<p>M\u1ee9c t\u1ed1i thi\u1ec3u m\u00e3 ho\u00e1 ph\u1ea3i \u0111\u1ea1t AES\u2011256, l\u01b0u tr\u1eef log giao d\u1ecbch \u00edt nh\u1ea5t 12 th\u00e1ng, v\u00e0 b\u00e1o c\u00e1o c\u00e1c giao d\u1ecbch \u0111\u00e1ng ng\u1edd cho c\u01a1 quan qu\u1ea3n l\u00fd. Vi ph\u1ea1m PCI\u2011DSS c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ph\u1ea1t l\u00ean t\u1edbi 500.000 USD m\u1ed7i vi ph\u1ea1m, trong khi kh\u00f4ng tu\u00e2n th\u1ee7 GDPR c\u00f3 th\u1ec3 b\u1ecb ph\u1ea1t 4\u202f% doanh thu to\u00e0n c\u1ea7u.  <\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>B\u00e0i vi\u1ebft \u0111\u00e3 tr\u00ecnh b\u00e0y m\u1ed9t lo\u1ea1t c\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc\u2014t\u1eeb Bernoulli, Markov Chain, Poisson, \u0111\u1ebfn Queueing Theory v\u00e0 c\u00e1c thu\u1eadt to\u00e1n m\u00e3 ho\u00e1\u2014\u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1ch m\u00e0 v\u00ed \u0111i\u1ec7n t\u1eed n\u00e2ng cao an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t trong c\u00e1c s\u00f2ng b\u1ea1c tr\u1ef1c tuy\u1ebfn. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap d\u1ef1 \u0111o\u00e1n r\u1ee7i ro gian l\u1eadn m\u00e0 c\u00f2n t\u1ed1i \u01b0u ho\u00e1 chi ph\u00ed v\u00e0 th\u1eddi gian x\u1eed l\u00fd, t\u1ea1o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi ch\u01a1i.  <\/p>\n<p>Vi\u1ec7c duy tr\u00ec c\u1eadp nh\u1eadt c\u00f4ng ngh\u1ec7 m\u1edbi, tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 li\u00ean t\u1ee5c ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 gi\u1eef v\u1ecb th\u1ebf c\u1ea1nh tranh. Trong t\u01b0\u01a1ng lai, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u s\u1ebd \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t hi\u1ec7n gian l\u1eadn th\u1eddi gian th\u1ef1c v\u00e0 d\u1ef1 b\u00e1o h\u00e0nh vi thanh to\u00e1n, m\u1edf ra m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi cho an to\u00e0n t\u00e0i ch\u00ednh trong casino tr\u1ef1c tuy\u1ebfn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong v\u00f2ng v\u00e0i n\u0103m qua, ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u00f2ng b\u1ea1c tr\u1ef1c tuy\u1ebfn \u0111\u00e3 ch\u1ee9ng ki\u1ebfn m\u1ee9c t\u0103ng tr\u01b0\u1edfng ngo\u1ea1n m\u1ee5c, v\u1edbi doanh thu to\u00e0n c\u1ea7u v\u01b0\u1ee3t h\u00e0ng ch\u1ee5c t\u1ef7 \u0111\u00f4 la. S\u1ef1 b\u00f9ng n\u1ed5 n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb vi\u1ec7c &hellip; <a href=\"https:\/\/www.thermannpro.cz\/sk\/blog\/phan-tich-toan-hoc-ve-tich-hop-vi-dien-tu-trong-cac-song-bac-truc-tuyen-an-toan-thanh-toan-va-toi-uu-hoa-rui-ro\/\">Read More<\/a><\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4946","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/posts\/4946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/comments?post=4946"}],"version-history":[{"count":0,"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/posts\/4946\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/media?parent=4946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/categories?post=4946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermannpro.cz\/sk\/wp-json\/wp\/v2\/tags?post=4946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}