{"id":2497,"date":"2024-08-06T11:28:00","date_gmt":"2024-08-06T03:28:00","guid":{"rendered":"https:\/\/systw.net\/note\/?p=2497"},"modified":"2025-08-07T16:18:32","modified_gmt":"2025-08-07T08:18:32","slug":"%e9%8f%88%e4%b8%8a%e6%94%bb%e6%93%8a","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/2497","title":{"rendered":"\u93c8\u4e0a\u653b\u64ca"},"content":{"rendered":"\n<p>\u91dd\u5c0d\u5340\u584a\u93c8\u7db2\u7d61\u672c\u8eab\u767c\u8d77\u7684\u653b\u64ca\uff0c\u65e8\u5728\u7834\u58de\u5176\u5b89\u5168\u6027\u3001\u4e00\u81f4\u6027\u6216\u53ef\u7528\u6027\uff0c\u901a\u5e38\u5229\u7528\u5340\u584a\u93c8\u7684\u5171\u8b58\u6a5f\u5236\u3001\u7db2\u7d61\u7d50\u69cb\u6216\u5354\u8b70\u6f0f\u6d1e\u3002<\/p>\n\n\n\n<p>\u5340\u584a\u93c8\u9818\u57df\u6700\u7d93\u5178\u3001\u6700\u5177\u7834\u58de\u6027\u7684\u300c\u93c8\u4e0a\u653b\u64ca\u300d\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96d9\u82b1\u653b\u64ca\uff08Double Spending\uff09<\/li>\n\n\n\n<li>51%\u653b\u64ca\uff08Majority Attack\uff09<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Double Spending Attack<\/h2>\n\n\n\n<p>\u60e1\u610f\u7528\u6236\u8a66\u5716\u5c07\u540c\u4e00\u7b46\u52a0\u5bc6\u8ca8\u5e63\u82b1\u8cbb\u5169\u6b21\u6216\u591a\u6b21\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u653b\u64ca\u65b9\u5f0f\uff1a<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u653b\u64ca\u8005\u5c07\u52a0\u5bc6\u8ca8\u5e63\u767c\u9001\u7d66\u8ce3\u5bb6\u8cfc\u8cb7\u5546\u54c1\u3002<\/li>\n\n\n\n<li>\u540c\u6642\uff0c\u767c\u8d77\u53e6\u4e00\u7b46\u628a\u9019\u7b46\u52a0\u5bc6\u8ca8\u5e63\u8f49\u56de\u81ea\u5df1\u9322\u5305\u7684\u4ea4\u6613\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u8ce3\u5bb6\u5728\u4ea4\u6613\u300c0\u78ba\u8a8d\u300d\u6216\u78ba\u8a8d\u6b21\u6578\u5f88\u5c11\u7684\u72c0\u614b\u4e0b\u4ea4\u4ed8\u8ca8\u7269\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u900f\u904e\u4ee5\u4e0b\u65b9\u5f0f\u8b93\u300c\u7d66\u81ea\u5df1\u7684\u4ea4\u6613\u300d\u88ab\u78ba\u8a8d\uff0c\u800c\u53d6\u6d88\u652f\u4ed8\u7d66\u8ce3\u5bb6\u7684\u4ea4\u6613\u3002<\/li>\n\n\n\n<li>\u96d9\u82b1\u653b\u64ca\u5e38\u898b\u65bc\uff1a\n<ul class=\"wp-block-list\">\n<li>Race Attack\uff1a\u5169\u7b46\u4ea4\u6613\u5e7e\u4e4e\u540c\u6642\u5ee3\u64ad\uff0c\u62da\u50b3\u64ad\u901f\u5ea6\uff0c\u53ea\u57280\u78ba\u8a8d\u6709\u6548\uff0c\u5728menpool\u6642\u4e0b\u624b<\/li>\n\n\n\n<li>Finney Attack\uff1a\u9810\u6316\u5340\u584a\u96d9\u82b1\uff0c\u78ba\u8a8d\u6b21\u6578\u8d8a\u5c11\u6210\u529f\u7387\u8d8a\u9ad8<\/li>\n\n\n\n<li>\u900f\u904e51%\u653b\u64ca\u4f86\u638c\u63e1\u93c8\u63a7\u5236\u6b0a\uff0c\u5373\u53ef\u91cd\u7d44\u93c8\u96d9\u82b1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u96d9\u82b1\u653b\u64ca\u689d\u4ef6\uff1a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u4ea4\u6613\u300c0\u78ba\u8a8d\u300d\u6216\u78ba\u8a8d\u6b21\u6578\u5f88\u5c11\u7684\u72c0\u614b<\/li>\n\n\n\n<li>\u7db2\u8def\u50b3\u64ad\u901f\u5ea6\u8d8a\u6162\uff0c\u6bcf\u500b\u7bc0\u9ede\u72c0\u614b\u6703\u66ab\u6642\u4e0d\u4e00\u81f4\uff0c\u653b\u64ca\u6210\u529f\u7387\u8d8a\u9ad8 <\/li>\n\n\n\n<li>\u901a\u5e38\u9700\u8981\u7926\u5de5\u884c\u70ba\u9810\u6e2c\u3002\u4f8b\u5982\uff0c\u7926\u5de5\u901a\u5e38\u512a\u5148\u9078\u64c7\u624b\u7e8c\u8cbb\u9ad8\u7684\u4ea4\u6613\uff0c\u6240\u4ee5\u53ef\u4ee5\u63d0\u4f9b\u9ad8\u624b\u7e8c\u8cbb\u589e\u52a0\u885d\u7a81\u4ea4\u6613\uff08\u7d66\u81ea\u5df1\uff09\u88ab\u6253\u5305\u7684\u6a5f\u7387<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u78ba\u8a8d\u6b21\u6578\u5f88\u5c11\u7684\u60c5\u5883<\/h3>\n\n\n\n<p>\u9019\u8207\u6548\u7387\u3001\u5546\u696d\u5834\u666f\u3001\u6210\u672c\/\u98a8\u96aa\u8003\u91cf\u6709\u95dc\uff1a<\/p>\n\n\n\n<p><strong>\u4ea4\u6613\u78ba\u8a8d\u9700\u8981\u7b49\u5f8510\u5206\u9418\u4ee5\u4e0a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e73\u5747\u6bcf10\u5206\u9418\u624d\u6703\u7522\u751f\u4e00\u500b\u6bd4\u7279\u5e63\u5340\u584a\u3002<\/li>\n\n\n\n<li>\u82e5\u8ce3\u5bb6\u8981\u6c42\u7b49\u52301\u6b21\u5340\u584a\u78ba\u8a8d\u5f8c\u624d\u4ea4\u8ca8\uff0c\u9867\u5ba2\u53ef\u80fd\u9700\u8981\u5728\u5e97\u88e1\u7b4910\u5206\u9418\uff5e1\u5c0f\u6642\uff08\u82e5\u591a\u6b21\u78ba\u8a8d\uff09\u3002<\/li>\n\n\n\n<li>\u5c0d\u65bc\u65e5\u5e38\u751f\u6d3b\u4e2d\u7684\u5c0f\u984d\u652f\u4ed8\uff08\u5982\u8cb7\u5496\u5561\uff09\uff0c\u9019\u6a23\u7684\u9ad4\u9a57\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7d55\u5927\u591a\u6578\u4ea4\u6613\u4e0d\u6703\u96d9\u82b1<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96d9\u82b1\u653b\u64ca\u9700\u8981\u6280\u8853\u8207\u8cc7\u6e90\uff0c\u653b\u64ca\u8005\u4ed8\u51fa\u7684\u4ee3\u50f9\u9060\u8d85\u904e\u5c0f\u984d\u4ea4\u6613\u7684\u6536\u76ca\u3002<\/li>\n\n\n\n<li>\u6240\u4ee5\u5c0d\u65bc\u5c0f\u984d\u4ea4\u6613\uff0c\u5546\u6236\u6703\u300c\u8ced\u300d\u5c0d\u65b9\u4e0d\u662f\u653b\u64ca\u8005\uff0c\u5feb\u901f\u5b8c\u6210\u4ea4\u6613\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u5c0d\u8c61<\/strong><\/th><th><strong>\u884c\u70ba\u6a21\u5f0f<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u5c0f\u984d\u5546\u5bb6\uff08\u5496\u5561\u5e97\u3001\u8ca9\u8ce3\u6a5f\uff09<\/strong><\/td><td>\u9858\u610f\u5192\u5c0f\u98a8\u96aa\uff0c\u8b93\u4ea4\u6613\u5feb\u901f\u5b8c\u6210\u3002<\/td><\/tr><tr><td><strong>\u5927\u578b\u4ea4\u6613\u5e73\u53f0\u3001\u4ea4\u6613\u6240<\/strong><\/td><td>\u4e0d\u63a5\u53d70\u78ba\u8a8d\uff0c\u6703\u8981\u6c421\uff5e6\u6b21\u78ba\u8a8d\u3002<\/td><\/tr><tr><td><strong>\u9ad8\u50f9\u503c\u4ea4\u6613\uff08\u623f\u5730\u7522\u3001\u6c7d\u8eca\uff09<\/strong><\/td><td>\u4e00\u5b9a\u6703\u7b49\u5230\u591a\u6b21\u78ba\u8a8d\u624d\u5b8c\u6210\u4ea4\u5272\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Majority Attack<\/h2>\n\n\n\n<p>\u7576\u67d0\u4e00\u65b9\u63a7\u5236\u8d85\u904e50%\u7684\u7db2\u8def\u7b97\u529b\uff08PoW\uff09\u6216\u6b0a\u76ca\uff08PoS\uff09\u6642\uff0c\u53ef\u4e3b\u5c0e\u5340\u584a\u93c8\u8a18\u9304\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u539f\u7406\uff1a<\/h3>\n\n\n\n<p>\u5340\u584a\u93c8\u7684\u5171\u8b58\u6a5f\u5236\uff08\u5982PoW\u7684\u300c\u6700\u9577\u93c8\u898f\u5247\u300d\u6216PoS\u7684\u6b0a\u76ca\u9078\u64c7\uff09\u4f9d\u8cf4\u591a\u6578\u7bc0\u9ede\u7684\u8aa0\u5be6\u884c\u70ba\u3002\u5982\u679c\u653b\u64ca\u8005\u63a7\u5236\u591a\u6578\u8cc7\u6e90\uff0c\u5c31\u80fd\u4e3b\u5c0e\u5171\u8b58\uff0c\u7834\u58de\u7db2\u7d61\u7684\u8aa0\u4fe1\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u76ee\u6a19<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u96d9\u82b1<\/strong>\uff1a\u5c07\u540c\u4e00\u7b46\u6578\u5b57\u8cc7\u7522\uff08\u5982\u6bd4\u7279\u5e63\uff09\u82b1\u8cbb\u591a\u6b21\uff0c\u6b3a\u9a19\u6536\u6b3e\u65b9\u3002<\/li>\n\n\n\n<li><strong>\u963b\u6b62\u4ea4\u6613<\/strong>\uff1a\u62d2\u7d55\u78ba\u8a8d\u67d0\u4e9b\u4ea4\u6613\uff0c\u5be6\u65bd\u300c\u4ea4\u6613\u5be9\u67e5\u300d\u3002<\/li>\n\n\n\n<li><strong>\u7be1\u6539\u6b77\u53f2<\/strong>\uff1a\u66ff\u63db\u4e3b\u93c8\u5be6\u73fe\u6b77\u53f2\u91cd\u5beb\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4f8b\u5b50<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2018\u5e74\uff0c\u6bd4\u7279\u5e63\u91d1\uff08Bitcoin Gold\uff0c\u4e00\u500b\u6bd4\u7279\u5e63\u5206\u53c9\u5e63\uff09\u906d\u53d751%\u653b\u64ca\u3002\u653b\u64ca\u8005\u63a7\u5236\u591a\u6578\u7b97\u529b\uff0c\u91cd\u5beb\u5340\u584a\u93c8\uff0c\u57f7\u884c\u96d9\u82b1\uff0c\u7aca\u53d6\u7d041800\u842c\u7f8e\u5143\u7684\u4ee3\u5e63\u3002<\/li>\n\n\n\n<li>\u6bd4\u7279\u5e63\u4e3b\u7db2\u56e0\u7b97\u529b\u898f\u6a21\u6975\u5927\uff08\u5168\u7db2\u7b97\u529b\u7d04600 EH\/s\uff0c2025\u5e74\u4f30\u8a08\u66f4\u9ad8\uff09\uff0c\u57f7\u884c51%\u653b\u64ca\u7684\u6210\u672c\u6975\u9ad8\uff08\u4f30\u8a08\u6578\u5341\u5104\u7f8e\u5143\uff09\uff0c\u81f3\u4eca\u672a\u767c\u751f\u6210\u529f\u6848\u4f8b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u653b\u64ca\u65b9\u5f0f\uff1a<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u653b\u64ca\u8005\u638c\u63e1\u5168\u7db2\u8d85\u904e50%\u7684\u7b97\u529b\u3002<\/li>\n\n\n\n<li>\u653b\u64ca\u8005\u6703\u5f9e\u4e00\u500b\u5340\u584a\u9ad8\u5ea6\u958b\u59cb\uff0c\u81ea\u5df1\u79c1\u4e0b\u6301\u7e8c\u6316\u65b0\u5340\u584a\uff0c\u4e0d\u5c07\u9019\u4e9b\u5340\u584a\u5ee3\u64ad\u51fa\u53bb\uff0c\u65bc\u662f\u7522\u751f\u79c1\u93c8\u3002<\/li>\n\n\n\n<li>\u7576\u653b\u64ca\u8005\u6e96\u5099\u597d\u5f8c\uff0c\u5c07\u79c1\u93c8\u5ee3\u64ad\u81f3\u7db2\u8def\uff0c\u7531\u65bc\u79c1\u93c8\u9577\u5ea6\u8f03\u9577\uff0c\u5176\u4ed6\u7bc0\u9ede\u6703\u8a8d\u70ba\u9019\u689d\u934a\u662f\u300c\u6b63\u7d71\u93c8\u300d\uff0c\u81ea\u52d5\u63a5\u7d0d\u3002<\/li>\n\n\n\n<li>\u9019\u6a23\u5c31\u80fd\u56de\u6efe\u4e4b\u524d\u5df2\u78ba\u8a8d\u7684\u4ea4\u6613\u8a18\u9304\uff0c\u9054\u6210\u96d9\u82b1\uff0c\u6216\u4f7f\u4ea4\u6613\u8a18\u9304\u6d88\u5931\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>51%\u653b\u64ca\u689d\u4ef6\uff1a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u9f90\u5927\u7b97\u529b\u6216\u5de8\u984d\u8cc7\u91d1\uff08PoS\u60c5\u6cc1\u4e0b\uff09\u3002<\/li>\n\n\n\n<li>\u96a8\u8457\u93c8\u898f\u6a21\u8d8a\u5927\uff0c\u653b\u64ca\u6210\u672c\u5448\u6307\u6578\u7d1a\u4e0a\u5347\u3002<\/li>\n\n\n\n<li>\u5c0f\u578b\u93c8\uff08\u5c71\u5be8\u5e63\u3001\u5c0f\u773ePoS\u93c8\uff09\u6700\u5bb9\u6613\u906d\u53d751%\u653b\u64ca\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u96d9\u82b1\u653b\u64ca vs 51%\u653b\u64ca \u5c0d\u6bd4<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u9805\u76ee<\/strong><\/th><th><strong>\u96d9\u82b1\u653b\u64ca<\/strong><\/th><th><strong>51%\u653b\u64ca<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u672c\u8cea<\/td><td>\u91cd\u8907\u82b1\u8cbb\u540c\u4e00\u7b46\u5e63<\/td><td>\u63a7\u5236\u93c8\u7684\u51fa\u584a\u8207\u78ba\u8a8d\u6b0a<\/td><\/tr><tr><td>\u9700\u8981\u638c\u63a7\u7684\u8cc7\u6e90<\/td><td>\u53ef\u85c9\u7531\u4ea4\u6613\u78ba\u8a8d\u6642\u5dee\u9032\u884c<\/td><td>\u5fc5\u9808\u64c1\u6709\u5168\u7db2&gt;50%\u7b97\u529b\/\u6b0a\u76ca<\/td><\/tr><tr><td>\u653b\u64ca\u96e3\u5ea6<\/td><td>\u4e2d<\/td><td>\u6975\u9ad8\uff08\u7279\u5225\u662f\u5927\u578b\u516c\u93c8\uff09<\/td><\/tr><tr><td>\u53ef\u9020\u6210\u7684\u5f71\u97ff<\/td><td>\u500b\u5225\u4ea4\u6613\u640d\u5931\uff08\u8f03\u5c0f\u898f\u6a21\uff09<\/td><td>\u53ef\u5168\u9762\u56de\u6efe\u93c8\u4e0a\u8a18\u9304\u3001\u963b\u6b62\u4ea4\u6613\u4e0a\u93c8<\/td><\/tr><tr><td>\u8207\u96d9\u82b1\u653b\u64ca\u7684\u95dc\u806f\u6027<\/td><td>\u96d9\u82b1\u653b\u64ca\u53ef\u55ae\u7368\u9032\u884c<\/td><td>51%\u653b\u64ca\u53ef\u4ee5\u5be6\u73fe\u5927\u898f\u6a21\u96d9\u82b1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u91dd\u5c0d\u5340\u584a\u93c8\u7db2\u7d61\u672c\u8eab\u767c\u8d77\u7684\u653b\u64ca\uff0c\u65e8\u5728\u7834\u58de\u5176\u5b89\u5168\u6027\u3001\u4e00\u81f4\u6027\u6216\u53ef\u7528\u6027\uff0c\u901a\u5e38\u5229\u7528\u5340\u584a\u93c8\u7684\u5171\u8b58\u6a5f\u5236\u3001\u7db2\u7d61\u7d50\u69cb\u6216\u5354\u8b70\u6f0f\u6d1e\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[39],"tags":[],"class_list":["post-2497","post","type-post","status-publish","format-standard","hentry","category-concept"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=2497"}],"version-history":[{"count":5,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2497\/revisions"}],"predecessor-version":[{"id":2516,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/2497\/revisions\/2516"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=2497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=2497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=2497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}