{"id":23815,"date":"2023-12-07T10:17:10","date_gmt":"2023-12-07T03:17:10","guid":{"rendered":"https:\/\/www.fiahub.com\/blog\/?p=23815"},"modified":"2024-03-22T10:13:29","modified_gmt":"2024-03-22T03:13:29","slug":"replace-by-fee-rbf-la-gi","status":"publish","type":"post","link":"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/","title":{"rendered":"Replace-by-fee (RBF) l\u00e0 g\u00ec?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Chinh_sach_thay_the_bang_phi_RBF_la_gi\" >Ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed (RBF) l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Lua_chon_phi_giao_dich_cao\" >L\u1ef1a ch\u1ecdn ph\u00ed giao d\u1ecbch cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Chinh_sach_RBF\" >Ch\u00ednh s\u00e1ch RBF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Nguoi_gui_khong_nhan_thuc_duoc\" >Ng\u01b0\u1eddi g\u1eedi kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Mang_blockchain_nao_ho_tro_RBF\" >M\u1ea1ng blockchain n\u00e0o h\u1ed7 tr\u1ee3 RBF?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Chinh_sach_thay_the_bang_phi_RBF_hoat_dong_nhu_the_nao\" >Ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed (RBF) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Xac_nhan_giao_dich_ban_dau\" >X\u00e1c nh\u1eadn giao d\u1ecbch ban \u0111\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Dieu_chinh_phi_giao_dich\" >\u0110i\u1ec1u ch\u1ec9nh ph\u00ed giao d\u1ecbch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Co_thay_the_theo_phi\" >C\u1edd thay th\u1ebf theo ph\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Phat_song_giao_dich_thay_the_de_nguoi_khai_thac_xem_xet\" >Ph\u00e1t s\u00f3ng giao d\u1ecbch thay th\u1ebf \u0111\u1ec3 ng\u01b0\u1eddi khai th\u00e1c xem x\u00e9t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Xac_nhan_giao_dich\" >X\u00e1c nh\u1eadn giao d\u1ecbch<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Lam_cach_nao_de_bat_va_tat_RBF\" >L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1eadt v\u00e0 t\u1eaft RBF?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Kich_hoat_RBF\" >K\u00edch ho\u1ea1t RBF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#RBF_bang_cach_giam_san_luong_o_Trezor\" >RBF b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng \u1edf Trezor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#RBF_voi_cac_thiet_bi_Trezor_trong_Electrum\" >RBF v\u1edbi c\u00e1c thi\u1ebft b\u1ecb Trezor trong Electrum<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Vo_hieu_hoa_RBF\" >V\u00f4 hi\u1ec7u h\u00f3a RBF<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#Nhuoc_diem_cua_chinh_sach_thay_the_bang_phi\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Chinh_sach_thay_the_bang_phi_RBF_la_gi\"><\/span><span style=\"font-weight: 400\">Ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed (RBF) l\u00e0 g\u00ec?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Replace-by-fee (RBF) <\/b><span style=\"font-weight: 400\">c\u1ee7a m\u1ea1ng Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay th\u1ebf c\u00e1c giao d\u1ecbch \u0111ang ch\u1edd x\u1eed l\u00fd (ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn) b\u1eb1ng c\u00e1c giao d\u1ecbch m\u1edbi c\u00f3 chi ph\u00ed giao d\u1ecbch cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ch\u00ednh s\u00e1ch RBF \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t trong BIP 125 v\u00e0 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u01b0 m\u1ed9t t\u00ednh n\u0103ng trong giao th\u1ee9c Bitcoin v\u1edbi vi\u1ec7c ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n Bitcoin Core 0.12.0, \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh v\u00e0o th\u00e1ng 2 n\u0103m 2016. T\u00ednh n\u0103ng n\u00e0y mang l\u1ea1i s\u1ef1 linh ho\u1ea1t cho ng\u01b0\u1eddi d\u00f9ng mu\u1ed1n t\u0103ng t\u1ed1c giao d\u1ecbch ho\u1eb7c s\u1eeda \u0111\u1ed5i ph\u00ed ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c h\u1ea1n ch\u1ebf c\u1ee7a m\u1ea1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400\">V\u00e0o ng\u00e0y 23 th\u00e1ng 11 n\u0103m 2023, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng Bitcoin \u0111\u00e3 th\u1ef1c hi\u1ec7n giao d\u1ecbch l\u00fac 9:59 s\u00e1ng UTC, tr\u1ea3 ph\u00ed giao d\u1ecbch \u0111\u1eb7c bi\u1ec7t cao l\u00e0 3,1 tri\u1ec7u USD \u0111\u1ec3 chuy\u1ec3n 139,42 Bitcoin (BTC). Kho\u1ea3n ph\u00ed c\u1eaft c\u1ed5 n\u00e0y \u0111\u00e3 l\u1eadp k\u1ef7 l\u1ee5c cao th\u1ee9 t\u00e1m trong l\u1ecbch s\u1eed Bitcoin. N\u00f3i c\u00e1ch kh\u00e1c, ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 tr\u1ea3 qu\u00e1 119.980 l\u1ea7n ph\u00ed giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng. C\u00f3 m\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 \u0111\u00f3ng vai tr\u00f2 \u1edf \u0111\u00e2y:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lua_chon_phi_giao_dich_cao\"><\/span><span style=\"font-weight: 400\">L\u1ef1a ch\u1ecdn ph\u00ed giao d\u1ecbch cao<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi g\u1eedi c\u00f3 th\u1ec3 \u0111\u00e3 c\u1ed1 t\u00ecnh ch\u1ecdn m\u1ee9c ph\u00ed giao d\u1ecbch cao nh\u1eb1m c\u1ed1 g\u1eafng nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn nhanh h\u01a1n ho\u1eb7c v\u00ec h\u1ecd \u0111\u00e3 \u0111\u00e1nh gi\u00e1 sai v\u1ec1 kho\u1ea3n ph\u00ed \u0111\u00f3.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chinh_sach_RBF\"><\/span><span style=\"font-weight: 400\">Ch\u00ednh s\u00e1ch RBF<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 thay th\u1ebf giao d\u1ecbch c\u00f3 ph\u00ed cao h\u01a1n b\u1eb1ng giao d\u1ecbch ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn theo ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed. \u0110i\u1ec1u n\u00e0y ng\u1ee5 \u00fd r\u1eb1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o x\u00e1c nh\u1eadn nhanh h\u01a1n, ng\u01b0\u1eddi g\u1eedi c\u00f3 th\u1ec3 \u0111\u00e3 ch\u1ecdn thay th\u1ebf giao d\u1ecbch ban \u0111\u1ea7u, v\u1ed1n c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed cao, b\u1eb1ng m\u1ed9t giao d\u1ecbch m\u1edbi v\u1edbi m\u1ee9c ph\u00ed th\u1eadm ch\u00ed c\u00f2n cao h\u01a1n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nguoi_gui_khong_nhan_thuc_duoc\"><\/span><span style=\"font-weight: 400\">Ng\u01b0\u1eddi g\u1eedi kh\u00f4ng nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">C\u00f3 th\u1ec3 ng\u01b0\u1eddi g\u1eedi \u0111\u00e3 kh\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn ho\u00e0n c\u1ea3nh m\u1ea1ng ho\u1eb7c kh\u00f4ng ho\u00e0n to\u00e0n nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c h\u1eadu qu\u1ea3 c\u1ee7a h\u00e0nh \u0111\u1ed9ng c\u1ee7a h\u1ecd. H\u1ecd c\u00f3 th\u1ec3 kh\u00f4ng l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c r\u1eb1ng RBF s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u0103ng ph\u00ed giao d\u1ecbch \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n<figure id=\"attachment_25268\" aria-describedby=\"caption-attachment-25268\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-25268\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17.jpg\" alt=\"Replace by fee\" width=\"900\" height=\"630\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17-300x210.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17-150x105.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17-768x538.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-17-450x315.jpg 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-25268\" class=\"wp-caption-text\">Ch\u00ednh s\u00e1ch RBF \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t trong BIP 125 v\u00e0 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u01b0 m\u1ed9t t\u00ednh n\u0103ng trong giao th\u1ee9c Bitcoin v\u1edbi vi\u1ec7c ph\u00e1t h\u00e0nh phi\u00ean b\u1ea3n Bitcoin Core 0.12.0, \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh v\u00e0o th\u00e1ng 2 n\u0103m 2016.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Mang_blockchain_nao_ho_tro_RBF\"><\/span><span style=\"font-weight: 400\">M\u1ea1ng blockchain n\u00e0o h\u1ed7 tr\u1ee3 RBF?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Kh\u1ea3 n\u0103ng RBF r\u1ea5t h\u1eefu \u00edch khi ng\u01b0\u1eddi d\u00f9ng Bitcoin mu\u1ed1n t\u0103ng t\u1ed1c \u0111\u1ed9 x\u00e1c nh\u1eadn giao d\u1ecbch ho\u1eb7c s\u1eeda \u0111\u1ed5i chi ph\u00ed \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng thay \u0111\u1ed5i.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Thay th\u1ebf b\u1eb1ng ph\u00ed l\u00e0 ch\u00ednh s\u00e1ch giao d\u1ecbch \u0111\u01b0\u1ee3c nh\u00fang trong giao th\u1ee9c m\u1ea1ng Bitcoin v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi Bitcoin Core, tri\u1ec3n khai tham chi\u1ebfu c\u1ee7a giao th\u1ee9c. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp, do ch\u00ednh s\u00e1ch RBF, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i giao d\u1ecbch Bitcoin ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn l\u1ea5y giao d\u1ecbch m\u1edbi v\u1edbi ph\u00ed giao d\u1ecbch cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb l\u00e0 c\u00e1c v\u00ed v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1c nhau trong h\u1ec7 sinh th\u00e1i Bitcoin c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng RBF m\u1ed9t c\u00e1ch kh\u00e1c nhau. Ch\u1eb3ng h\u1ea1n, m\u1eb7c d\u00f9 RBF \u0111\u01b0\u1ee3c Bitcoin Core h\u1ed7 tr\u1ee3 nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c v\u00ed \u0111\u1ec1u c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ho\u1eb7c cung c\u1ea5p t\u00ednh n\u0103ng n\u00e0y. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u00ed ho\u1eb7c d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd t\u01b0\u01a1ng th\u00edch v\u1edbi ch\u00ednh s\u00e1ch thay th\u1ebf theo ph\u00ed, ng\u01b0\u1eddi d\u00f9ng n\u00ean x\u00e1c nh\u1eadn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 nguy\u00ean t\u1eafc c\u1ee5 th\u1ec3 c\u1ee7a n\u1ec1n t\u1ea3ng.<\/span><\/p>\n<figure id=\"attachment_25269\" aria-describedby=\"caption-attachment-25269\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-25269\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-scaled.jpg\" alt=\"Replace by fee\" width=\"900\" height=\"600\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-scaled.jpg 2560w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-300x200.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-1024x683.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-150x100.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-768x512.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-1536x1024.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-2048x1365.jpg 2048w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-450x300.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-18-1200x800.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-25269\" class=\"wp-caption-text\">\u0110i\u1ec1u ch\u1ec9nh gi\u00e1 gas cho giao d\u1ecbch ERC-20<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400\">C\u00e1c quy t\u1eafc RBF kh\u00e1c bao g\u1ed3m giao d\u1ecbch m\u1edbi ph\u1ea3i duy tr\u00ec c\u00e1c \u0111\u1ea7u ra gi\u1ed1ng nh\u01b0 giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 c\u00f3 s\u1ed1 th\u1ee9 t\u1ef1 cao h\u01a1n cho m\u1ed7i \u0111\u1ea7u v\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng RBF. Ngo\u00e0i ra, RBF ch\u1ec9 \u00e1p d\u1ee5ng cho c\u00e1c giao d\u1ecbch ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn; m\u1ed9t khi giao d\u1ecbch \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ho\u00e0n t\u00e1c. Tuy nhi\u00ean, v\u00ec kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c n\u00fat v\u00e0 c\u00f4ng c\u1ee5 khai th\u00e1c \u0111\u1ec1u c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ho\u1eb7c nh\u1eadn ra c\u00e1c giao d\u1ecbch RBF n\u00ean hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng v\u00e0 m\u1ee9c \u0111\u1ed9 s\u1eb5n l\u00f2ng c\u1ee7a ng\u01b0\u1eddi khai th\u00e1c trong vi\u1ec7c \u01b0u ti\u00ean c\u00e1c giao d\u1ecbch v\u1edbi m\u1ee9c ph\u00ed cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ngo\u00e0i ra, c\u00e1c v\u00ed c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 Trezor, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u201cBump Fee\u201d \u0111\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch \u0111ang ch\u1edd x\u1eed l\u00fd, ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn. H\u01a1n n\u1eefa, ng\u01b0\u1eddi d\u00f9ng Crypto.com c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e0i \u0111\u1eb7t giao d\u1ecbch n\u00e2ng cao \u0111\u1ec3 g\u1eedi Ether (ETH) ho\u1eb7c c\u00e1c m\u00e3 th\u00f4ng b\u00e1o ERC-20 kh\u00e1c, cho ph\u00e9p t\u00f9y ch\u1ec9nh gi\u00e1 tr\u1ecb nonce, gi\u00e1 gas ho\u1eb7c gi\u1edbi h\u1ea1n gas. T\u00ednh n\u0103ng n\u00e0y, c\u00f3 s\u1eb5n trong \u1ee9ng d\u1ee5ng phi\u00ean b\u1ea3n 1.8.2 tr\u1edf l\u00ean, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 giao d\u1ecbch.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn c\u00e0i \u0111\u1eb7t n\u00e2ng cao th\u00f4ng qua m\u00e0n h\u00ecnh x\u00e1c nh\u1eadn g\u1eedi, \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb, xem l\u1ea1i ph\u00ed m\u1ea1ng d\u1ef1 ki\u1ebfn v\u00e0 ti\u1ebfn h\u00e0nh giao d\u1ecbch. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m x\u00e1c nh\u1eadn c\u00e0i \u0111\u1eb7t t\u00f9y ch\u1ec9nh v\u00e0 cho ph\u00e9p giao d\u1ecbch b\u1eb1ng m\u1eadt m\u00e3 v\u00e0 m\u00e3 2FA n\u1ebfu \u0111\u01b0\u1ee3c b\u1eadt.<\/span><\/p>\n<figure id=\"attachment_25270\" aria-describedby=\"caption-attachment-25270\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-25270\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19.jpg\" alt=\"Replace by fee\" width=\"900\" height=\"506\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19.jpg 1920w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-300x169.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-1024x576.jpg 1024w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-150x84.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-768x432.jpg 768w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-1536x864.jpg 1536w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-450x253.jpg 450w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-19-1200x675.jpg 1200w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-25270\" class=\"wp-caption-text\">Ng\u01b0\u1eddi d\u00f9ng Bitcoin c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn giao d\u1ecbch b\u1eb1ng c\u00e1ch t\u1ea1o m\u1ed9t giao d\u1ecbch m\u1edbi v\u1edbi m\u1ee9c ph\u00ed cao h\u01a1n, \u0111\u01b0\u1ee3c b\u00e1o hi\u1ec7u b\u1eb1ng m\u1ed9t \u201cs\u1ed1 th\u1ee9 t\u1ef1\u201d duy nh\u1ea5t, khi \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khai th\u00e1c \u01b0u ti\u00ean thay th\u1ebf giao d\u1ecbch ban \u0111\u1ea7u.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Chinh_sach_thay_the_bang_phi_RBF_hoat_dong_nhu_the_nao\"><\/span><span style=\"font-weight: 400\">Ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed (RBF) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng bitcoin c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn giao d\u1ecbch b\u1eb1ng c\u00e1ch t\u1ea1o m\u1ed9t giao d\u1ecbch m\u1edbi v\u1edbi m\u1ee9c ph\u00ed cao h\u01a1n, \u0111\u01b0\u1ee3c b\u00e1o hi\u1ec7u b\u1eb1ng m\u1ed9t \u201cs\u1ed1 th\u1ee9 t\u1ef1\u201d duy nh\u1ea5t, khi \u0111\u01b0\u1ee3c ph\u00e1t s\u00f3ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khai th\u00e1c \u01b0u ti\u00ean thay th\u1ebf giao d\u1ecbch ban \u0111\u1ea7u.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ea1ng, quy t\u1eafc c\u1ee7a ng\u01b0\u1eddi khai th\u00e1c v\u00e0 m\u1ee9c \u0111\u1ed9 h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c n\u00fat v\u00e0 v\u00ed tham gia \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00ednh s\u00e1ch RBF. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a RBF:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac_nhan_giao_dich_ban_dau\"><\/span><span style=\"font-weight: 400\">X\u00e1c nh\u1eadn giao d\u1ecbch ban \u0111\u1ea7u<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Giao d\u1ecbch Bitcoin \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n v\u00e0 chia s\u1ebb v\u1edbi m\u1ea1ng. Giao d\u1ecbch n\u1eb1m trong mempool v\u00e0 \u0111ang ch\u1edd ng\u01b0\u1eddi khai th\u00e1c \u0111\u01b0a v\u00e0o kh\u1ed1i.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_chinh_phi_giao_dich\"><\/span><span style=\"font-weight: 400\">\u0110i\u1ec1u ch\u1ec9nh ph\u00ed giao d\u1ecbch<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u m\u1ed9t giao d\u1ecbch m\u1edbi v\u1edbi m\u1ee9c ph\u00ed cao h\u01a1n n\u1ebfu h\u1ecd mu\u1ed1n \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn ho\u1eb7c nh\u1eadn th\u1ea5y m\u1ee9c ph\u00ed qu\u00e1 th\u1ea5p.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Co_thay_the_theo_phi\"><\/span><span style=\"font-weight: 400\">C\u1edd thay th\u1ebf theo ph\u00ed<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Giao d\u1ecbch m\u1edbi bao g\u1ed3m m\u1ed9t <\/span><i><span style=\"font-weight: 400\">\u201cs\u1ed1 th\u1ee9 t\u1ef1\u201d<\/span><\/i><span style=\"font-weight: 400\"> duy nh\u1ea5t trong \u0111\u1ea7u v\u00e0o giao d\u1ecbch, b\u00e1o hi\u1ec7u r\u1eb1ng n\u00f3 nh\u1eb1m thay th\u1ebf giao d\u1ecbch tr\u01b0\u1edbc \u0111\u00f3. S\u1ed1 th\u1ee9 t\u1ef1 n\u00e0y cao h\u01a1n s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a giao d\u1ecbch ban \u0111\u1ea7u.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Trong b\u1ed1i c\u1ea3nh Bitcoin, tr\u01b0\u1eddng nSequence, ban \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 <\/span><i><span style=\"font-weight: 400\">\u201cthay th\u1ebf d\u1ef1a tr\u00ean s\u1ed1 th\u1ee9 t\u1ef1\u201d<\/span><\/i><span style=\"font-weight: 400\"> ho\u1eb7c <\/span><i><span style=\"font-weight: 400\">\u201ckh\u00f3a th\u1eddi gian\u201d<\/span><\/i><span style=\"font-weight: 400\">, ph\u1ee5c v\u1ee5 hai m\u1ee5c \u0111\u00edch ch\u00ednh. Th\u1ee9 nh\u1ea5t, \u0111\u1ec3 m\u1ed9t giao d\u1ecbch \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c thay th\u1ebf ph\u00ed, giao d\u1ecbch \u0111\u00f3 ph\u1ea3i th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng thay th\u1ebf t\u1ea1i th\u1eddi \u0111i\u1ec3m g\u1eedi l\u1ea7n \u0111\u1ea7u. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111\u1eb7t tr\u01b0\u1eddng nSequence \u2014 m\u1ed9t th\u00e0nh ph\u1ea7n trong m\u1ed7i giao d\u1ecbch \u2014 th\u00e0nh gi\u00e1 tr\u1ecb d\u01b0\u1edbi <\/span><b><i>0xffffffe<\/i><\/b><span style=\"font-weight: 400\">.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Trong k\u00fd hi\u1ec7u th\u1eadp l\u1ee5c ph\u00e2n, <\/span><b><i>0xffffffe<\/i><\/b><span style=\"font-weight: 400\"> bi\u1ec3u th\u1ecb s\u1ed1 nguy\u00ean kh\u00f4ng d\u1ea5u 32 bit v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c bit \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u00e0nh 1 ngo\u1ea1i tr\u1eeb bit c\u00f3 tr\u1ecdng s\u1ed1 th\u1ea5p nh\u1ea5t. \u1ede d\u1ea1ng th\u1eadp ph\u00e2n, gi\u00e1 tr\u1ecb n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi <\/span><b><i>4294967294<\/i><\/b><span style=\"font-weight: 400\">. Th\u1ee9 hai, tr\u01b0\u1eddng nSequence cho ph\u00e9p th\u1eddi gian kh\u00f3a t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o giao d\u1ecbch, cho ph\u00e9p c\u1eadp nh\u1eadt giao d\u1ecbch sau khi ph\u00e1t s\u00f3ng, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t cho vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho RBF.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phat_song_giao_dich_thay_the_de_nguoi_khai_thac_xem_xet\"><\/span><span style=\"font-weight: 400\">Ph\u00e1t s\u00f3ng giao d\u1ecbch thay th\u1ebf \u0111\u1ec3 ng\u01b0\u1eddi khai th\u00e1c xem x\u00e9t<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng truy\u1ec1n ph\u00e1t giao d\u1ecbch thay th\u1ebf t\u1edbi m\u1ea1ng Bitcoin. Nh\u1eefng ng\u01b0\u1eddi khai th\u00e1c ch\u1ecdn giao d\u1ecbch \u0111\u1ec3 \u0111\u01b0a v\u00e0o kh\u1ed1i c\u00f3 th\u1ec3 th\u1ea5y giao d\u1ecbch thay th\u1ebf c\u00f3 m\u1ee9c ph\u00ed cao h\u01a1n. H\u1ecd c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh \u0111\u01b0a giao d\u1ecbch thay th\u1ebf v\u00e0o m\u1ed9t kh\u1ed1i v\u00ec h\u1ecd \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch \u0111\u01b0a c\u00e1c giao d\u1ecbch c\u00f3 m\u1ee9c ph\u00ed cao h\u01a1n v\u00e0o.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xac_nhan_giao_dich\"><\/span><span style=\"font-weight: 400\">X\u00e1c nh\u1eadn giao d\u1ecbch<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Giao d\u1ecbch ban \u0111\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf n\u1ebfu giao d\u1ecbch thay th\u1ebf \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o kh\u1ed1i. Giao d\u1ecbch thay th\u1ebf s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c v\u00e0 v\u1ec1 c\u01a1 b\u1ea3n s\u1ebd b\u1ecb \u201c\u0111\u1ea9y\u201d ra kh\u1ecfi mempool.<\/span><\/p>\n<figure id=\"attachment_25271\" aria-describedby=\"caption-attachment-25271\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-25271\" src=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-20.jpg\" alt=\"Replace by fee\" width=\"900\" height=\"598\" srcset=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-20.jpg 738w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-20-300x199.jpg 300w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-20-150x100.jpg 150w, https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/a1-20-450x299.jpg 450w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-25271\" class=\"wp-caption-text\">\u0110\u1ec3 b\u1eadt RBF trong v\u00ed Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean x\u00e1c minh h\u1ed7 tr\u1ee3, c\u00e0i \u0111\u1eb7t truy c\u1eadp, b\u1eadt t\u00f9y ch\u1ecdn RBF v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u00ed, trong khi vi\u1ec7c t\u1eaft RBF li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy c\u1eadp c\u00e0i \u0111\u1eb7t, t\u1eaft t\u00f9y ch\u1ecdn RBF v\u00e0 \u0111\u1ea3m b\u1ea3o n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t theo m\u1eb7c \u0111\u1ecbnh.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Lam_cach_nao_de_bat_va_tat_RBF\"><\/span><span style=\"font-weight: 400\">L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1eadt v\u00e0 t\u1eaft RBF?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">\u0110\u1ec3 b\u1eadt RBF trong v\u00ed Bitcoin, ng\u01b0\u1eddi d\u00f9ng n\u00ean x\u00e1c minh h\u1ed7 tr\u1ee3, c\u00e0i \u0111\u1eb7t truy c\u1eadp, b\u1eadt t\u00f9y ch\u1ecdn RBF v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u00ed, trong khi vi\u1ec7c t\u1eaft RBF li\u00ean quan \u0111\u1ebfn vi\u1ec7c truy c\u1eadp c\u00e0i \u0111\u1eb7t, t\u1eaft t\u00f9y ch\u1ecdn RBF v\u00e0 \u0111\u1ea3m b\u1ea3o n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t theo m\u1eb7c \u0111\u1ecbnh.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kich_hoat_RBF\"><\/span><span style=\"font-weight: 400\">K\u00edch ho\u1ea1t RBF<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o v\u00ed \u0111\u00e3 ch\u1ecdn c\u1ee7a h\u1ecd h\u1ed7 tr\u1ee3 RBF tr\u01b0\u1edbc khi b\u1eadt t\u00ednh n\u0103ng n\u00e0y. C\u00e0i \u0111\u1eb7t v\u00ed th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp trong ph\u1ea7n t\u00f9y ch\u1ecdn n\u00e2ng cao ho\u1eb7c giao d\u1ecbch.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng n\u00ean t\u00ecm ki\u1ebfm c\u00e0i \u0111\u1eb7t cho t\u00f9y ch\u1ecdn RBF, th\u01b0\u1eddng l\u00e0 <\/span><b><i>\u201cReplace by fee\u201d<\/i><\/b><span style=\"font-weight: 400\"> ho\u1eb7c m\u1ed9t thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 v\u00e0 b\u1eadt t\u00f9y ch\u1ecdn n\u00e0y. Sau \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ph\u00e1t giao d\u1ecbch l\u00ean m\u1ea1ng v\u00e0 thay \u0111\u1ed5i ph\u00ed giao d\u1ecbch n\u1ebfu g\u1eb7p kh\u00f3 kh\u0103n khi x\u00e1c nh\u1eadn giao d\u1ecbch.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Phi\u00ean b\u1ea3n <\/span><b>21.2.2<\/b><span style=\"font-weight: 400\"> c\u1ee7a Trezor Suite cung c\u1ea5p h\u1ed7 tr\u1ee3 tr\u00ean thi\u1ebft b\u1ecb cho Trezor Model T (ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf <\/span><b>2.3.5<\/b><span style=\"font-weight: 400\"> tr\u1edf l\u00ean) v\u00e0 Trezor Model One (ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf <\/span><b>1.9.4<\/b><span style=\"font-weight: 400\"> tr\u1edf l\u00ean). Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng RBF \u0111\u1ec3 ho\u00e0n t\u1ea5t giao d\u1ecbch ho\u1eb7c t\u0103ng ph\u00ed.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"RBF_bang_cach_giam_san_luong_o_Trezor\"><\/span><span style=\"font-weight: 400\">RBF b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng \u1edf Trezor<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">RBF, b\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng, kh\u1ea5u tr\u1eeb kho\u1ea3n ph\u00ed b\u1ed5 sung t\u1eeb s\u1ed1 ti\u1ec1n chuy\u1ec3n thay v\u00ec s\u1ed1 d\u01b0 t\u00e0i kho\u1ea3n khi truy\u1ec1n s\u1ed1 l\u01b0\u1ee3ng Bitcoin t\u1ed1i \u0111a t\u1eeb m\u1ed9t t\u00e0i kho\u1ea3n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"RBF_voi_cac_thiet_bi_Trezor_trong_Electrum\"><\/span><span style=\"font-weight: 400\">RBF v\u1edbi c\u00e1c thi\u1ebft b\u1ecb Trezor trong Electrum<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng RBF v\u1edbi c\u00e1c thi\u1ebft b\u1ecb Trezor trong Electrum, cho ph\u00e9p thay th\u1ebf giao d\u1ecbch ban \u0111\u1ea7u. Tuy nhi\u00ean, vi\u1ec7c thay th\u1ebf n\u00e0y ch\u1ec9 kh\u1ea3 thi n\u1ebfu giao d\u1ecbch ban \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng Electrum v\u1edbi t\u00f9y ch\u1ecdn \u201cThay th\u1ebf theo ph\u00ed\u201d \u0111\u01b0\u1ee3c b\u1eadt, c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c th\u00f4ng qua <\/span><b><i>Tools &gt; Preferences &gt; Replace by fee.<\/i><\/b><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vo_hieu_hoa_RBF\"><\/span><span style=\"font-weight: 400\">V\u00f4 hi\u1ec7u h\u00f3a RBF<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400\">M\u1eb7t kh\u00e1c, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n truy c\u1eadp c\u00e0i \u0111\u1eb7t v\u00ed \u0111\u1ec3 t\u1eaft RBF. C\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a RBF th\u00f4ng qua c\u00e1c t\u00f9y ch\u1ecdn n\u00e2ng cao ho\u1eb7c t\u00f9y ch\u1ecdn giao d\u1ecbch. T\u00f9y ch\u1ecdn n\u00e0y c\u00f3 th\u1ec3 c\u00f3 ti\u00eau \u0111\u1ec1 l\u00e0 <\/span><b><i>\u201cReplace by fee\u201d <\/i><\/b><span style=\"font-weight: 400\">ho\u1eb7c t\u00ean n\u00e0o \u0111\u00f3 t\u01b0\u01a1ng t\u1ef1.<\/span><\/p>\n<p><span style=\"font-weight: 400\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t theo m\u1eb7c \u0111\u1ecbnh trong m\u1ecdi giao d\u1ecbch m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong v\u00ed, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i b\u1ecf ch\u1ecdn t\u00f9y ch\u1ecdn \u0111\u00e3 b\u1eadt. N\u00ean tham kh\u1ea3o t\u00e0i li\u1ec7u ho\u1eb7c t\u00e0i nguy\u00ean h\u1ed7 tr\u1ee3 cho v\u00ed \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c th\u00f4ng tin c\u1eadp nh\u1eadt v\u00e0 ch\u00ednh x\u00e1c v\u1ec1 c\u00e1ch b\u1eadt ho\u1eb7c t\u1eaft RBF.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhuoc_diem_cua_chinh_sach_thay_the_bang_phi\"><\/span><span style=\"font-weight: 400\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Ch\u00ednh s\u00e1ch RBF trong Bitcoin cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh ph\u00ed sau giao d\u1ecbch nh\u01b0ng l\u00e0m t\u0103ng m\u1ed1i lo ng\u1ea1i v\u1ec1 chi ti\u00eau g\u1ea5p \u0111\u00f4i, s\u1ef1 nh\u1ea7m l\u1eabn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1eafc ngh\u1ebdn m\u1ea1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400\">RBF l\u00e0m d\u1ea5y l\u00ean lo ng\u1ea1i v\u1ec1 kh\u1ea3 n\u0103ng chi ti\u00eau g\u1ea5p \u0111\u00f4i v\u00ec ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 thay th\u1ebf giao d\u1ecbch ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng giao d\u1ecbch m\u1edbi v\u1edbi m\u1ee9c ph\u00ed cao h\u01a1n. R\u1ee7i ro n\u00e0y khi\u1ebfn ng\u01b0\u1eddi b\u00e1n ho\u1eb7c ng\u01b0\u1eddi nh\u1eadn giao d\u1ecbch g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch n\u00e0o l\u00e0 h\u1ee3p ph\u00e1p, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gian l\u1eadn v\u00e0 hi\u1ec3u l\u1ea7m.<\/span><\/p>\n<p><span style=\"font-weight: 400\">RBF c\u00f3 th\u1ec3 l\u00e0m ph\u1ee9c t\u1ea1p tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00ec nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng bi\u1ebft v\u1ec1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh thay th\u1ebf c\u00e1c giao d\u1ecbch ho\u1eb7c g\u1eb7p ph\u1ea3i s\u1ef1 ch\u1eadm tr\u1ec5. H\u01a1n n\u1eefa, t\u00ednh n\u0103ng n\u00e0y khi\u1ebfn doanh nghi\u1ec7p g\u1eb7p kh\u00f3 kh\u0103n h\u01a1n trong vi\u1ec7c d\u1ef1 b\u00e1o ch\u00ednh x\u00e1c khung th\u1eddi gian x\u00e1c nh\u1eadn b\u1eb1ng c\u00e1ch gi\u1ea3m \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n c\u1ee7a giao d\u1ecbch.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Hi\u1ec7u qu\u1ea3 c\u1ee7a to\u00e0n b\u1ed9 m\u1ea1ng c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng xuy\u00ean thay th\u1ebf c\u00e1c giao d\u1ecbch b\u1eb1ng c\u00e1c kho\u1ea3n ph\u00ed cao, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra t\u1eafc ngh\u1ebdn. H\u01a1n n\u1eefa, kh\u1ea3 n\u0103ng d\u1ec5 b\u1ecb l\u1ea1m d\u1ee5ng c\u1ee7a RBF, \u0111i\u1ec1u n\u00e0y s\u1ebd cho ph\u00e9p c\u00e1c b\u00ean v\u00f4 \u0111\u1ea1o \u0111\u1ee9c l\u1ee3i d\u1ee5ng h\u1ec7 th\u1ed1ng v\u00ec l\u1ee3i \u00edch t\u00e0i ch\u00ednh, nh\u1ea5n m\u1ea1nh s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea9n th\u1eadn v\u00e0 gi\u00e1o d\u1ee5c ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400\">C\u1ea3m \u01a1n s\u1ef1 theo d\u00f5i c\u1ee7a c\u00e1c b\u1ea1n. Hy v\u1ecdng b\u00e0i vi\u1ebft \u0111\u00e3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u h\u01a1n v\u1ec1 Replace-by-fee (RBF). \u0110\u1eebng qu\u00ean, m\u1ecdi th\u1eafc m\u1eafc vui l\u00f2ng li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 Support c\u1ee7a Fiahub 24\/7.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u00ednh s\u00e1ch thay th\u1ebf b\u1eb1ng ph\u00ed (RBF) l\u00e0 g\u00ec? Replace-by-fee (RBF) c\u1ee7a m\u1ea1ng Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay th\u1ebf c\u00e1c giao d\u1ecbch \u0111ang ch\u1edd x\u1eed l\u00fd (ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn) b\u1eb1ng c\u00e1c giao d\u1ecbch m\u1edbi c\u00f3 chi ph\u00ed giao d\u1ecbch cao h\u01a1n. Ch\u00ednh s\u00e1ch RBF \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t trong BIP 125 v\u00e0 \u0111\u01b0\u1ee3c<\/p>\n","protected":false},"author":24,"featured_media":25272,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21850],"tags":[221,23114,23115],"class_list":{"0":"post-23815","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tu-dien-crypto","8":"tag-bitcoin","9":"tag-rbf","10":"tag-replace-by-fee"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Replace-by-fee (RBF) l\u00e0 g\u00ec? - Fiahub<\/title>\n<meta name=\"description\" content=\"Replace-by-fee (RBF) c\u1ee7a m\u1ea1ng Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay th\u1ebf c\u00e1c giao d\u1ecbch \u0111ang ch\u1edd x\u1eed l\u00fd (ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn) b\u1eb1ng c\u00e1c giao d\u1ecbch m\u1edbi c\u00f3 chi ph\u00ed giao d\u1ecbch cao h\u01a1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Replace-by-fee (RBF) l\u00e0 g\u00ec?\" \/>\n<meta property=\"og:description\" content=\"Replace-by-fee (RBF) c\u1ee7a m\u1ea1ng Bitcoin cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay th\u1ebf c\u00e1c giao d\u1ecbch \u0111ang ch\u1edd x\u1eed l\u00fd (ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn) b\u1eb1ng c\u00e1c giao d\u1ecbch m\u1edbi c\u00f3 chi ph\u00ed giao d\u1ecbch cao h\u01a1n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"Fiahub Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/FiahubVN\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-07T03:17:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T03:13:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/Fiahub_Glossary_Replace-by-fee.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Le Hoang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@FIAHUBVN\" \/>\n<meta name=\"twitter:site\" content=\"@FIAHUBVN\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Le Hoang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"17 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\"},\"author\":{\"name\":\"Le Hoang\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/#\/schema\/person\/438ca2054bd04d8ef374b9dd54ed3418\"},\"headline\":\"Replace-by-fee (RBF) l\u00e0 g\u00ec?\",\"datePublished\":\"2023-12-07T03:17:10+00:00\",\"dateModified\":\"2024-03-22T03:13:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\"},\"wordCount\":3309,\"publisher\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.fiahub.com\/blog\/wp-content\/uploads\/2023\/12\/Fiahub_Glossary_Replace-by-fee.png\",\"keywords\":[\"bitcoin\",\"RBF\",\"Replace by fee\"],\"articleSection\":[\"T\u1eeb \u0111i\u1ec3n Crypto\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\",\"url\":\"https:\/\/www.fiahub.com\/blog\/replace-by-fee-rbf-la-gi\/\",\"name\":\"Replace-by-fee (RBF) l\u00e0 g\u00ec? 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