{"id":667,"date":"2026-04-02T09:15:59","date_gmt":"2026-04-02T09:15:59","guid":{"rendered":"https:\/\/www.ienlab.com\/?p=667"},"modified":"2026-04-07T09:45:52","modified_gmt":"2026-04-07T09:45:52","slug":"approve-once-regret-forever-on-the-exploitation-of-ethereums-approve-transferfrom-ecosystem","status":"publish","type":"post","link":"https:\/\/www.ienlab.com\/?p=667","title":{"rendered":"Approve Once, Regret Forever: On the Exploitation of Ethereum\u2019s Approve-TransferFrom Ecosystem"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.ndnlab.com\/\">\u533a\u5757\u94fe\u5b89\u5168<\/a><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Ruaro N, Gritti F, Meng D, et al. Approve Once, Regret Forever: On the Exploitation of Ethereum\u2019s Approve-TransferFrom Ecosystem[C]\/\/34th USENIX Security Symposium (USENIX Security 25). USENIX Association, 2025: 1281-1298.<\/p>\n<\/blockquote>\n\n\n\n<p>\u5728\u4ee5\u592a\u574a\u7684 DeFi \u751f\u6001\u4e2d\uff0c\u7528\u6237\u4e3a\u4e86\u4f7f\u7528\u501f\u8d37\u3001\u4ea4\u6613\u7b49\u670d\u52a1\uff0c\u901a\u5e38\u9700\u8981\u6388\u6743\uff08approve\uff09\u7b2c\u4e09\u65b9\u5408\u7ea6\u4ee3\u4e3a\u7ba1\u7406\u81ea\u5df1\u7684\u4ee3\u5e01\u3002\u7136\u800c\uff0c\u4e00\u65e6\u88ab\u6388\u6743\u7684\u5408\u7ea6\u5b58\u5728\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u4e0d\u4ec5\u53ef\u4ee5\u7a83\u53d6\u5408\u7ea6\u672c\u8eab\u6301\u6709\u7684\u8d44\u4ea7\uff0c\u8fd8\u80fd\u76d7\u8d70\u6240\u6709\u66fe\u6388\u6743\u8be5\u5408\u7ea6\u7684\u7528\u6237\u8d44\u4ea7\u3002\u53d1\u8868\u4e8e USENIX Security 2025 \u7684\u8fd9\u9879\u7814\u7a76\uff0c\u7cfb\u7edf\u6027\u5730\u63ed\u793a\u4e86\u8fd9\u7c7b\u88ab\u79f0\u4e3a ACT\uff08Approved Controllable TransferFrom\uff09\u7684\u6f0f\u6d1e\uff0c\u5e76\u63d0\u51fa\u4e86\u7aef\u5230\u7aef\u7684\u68c0\u6d4b\u4e0e\u5229\u7528\u751f\u6210\u7cfb\u7edf OSPREY\uff0c\u5728\u6574\u4e2a\u4ee5\u592a\u574a\u751f\u6001\u4e2d\u53d1\u73b0\u4e86\u8d85\u8fc7 340 \u4e07\u7f8e\u5143\u6f5c\u5728\u98ce\u9669\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u7814\u7a76\u80cc\u666f\uff1aApprove-TransferFrom \u673a\u5236\u7684\u4fe1\u4efb\u56f0\u5883<\/h2>\n\n\n\n<p>ERC20 \u7b49\u4ee3\u5e01\u6807\u51c6\u5f15\u5165\u4e86\u6388\u6743\u673a\u5236\u6765\u652f\u6301\u95f4\u63a5\u4ee3\u5e01\u8f6c\u79fb\u3002\u4ee3\u5e01\u6301\u6709\u8005\u8c03\u7528 approve \u51fd\u6570\uff0c\u5141\u8bb8\u67d0\u4e2a\u201d\u6d88\u8d39\u8005\u201d\uff08spender\uff09\u5730\u5740\u4ee3\u4e3a\u8f6c\u79fb\u4e00\u5b9a\u6570\u91cf\u7684\u4ee3\u5e01\uff1b\u6d88\u8d39\u8005\u968f\u540e\u53ef\u901a\u8fc7 transferFrom \u51fd\u6570\u5c06\u4ee3\u5e01\u4ece\u6388\u6743\u8005\u8d26\u6237\u8f6c\u51fa\u3002\u8fd9\u4e00\u673a\u5236\u662f DeFi \u534f\u8bae\uff08\u5982\u501f\u8d37\u5e73\u53f0\u3001\u53bb\u4e2d\u5fc3\u5316\u4ea4\u6613\u6240\uff09\u6b63\u5e38\u8fd0\u4f5c\u7684\u57fa\u7840\u2014\u2014\u7528\u6237\u65e0\u9700\u5c06\u8d44\u4ea7\u76f4\u63a5\u8f6c\u5165\u534f\u8bae\u5408\u7ea6\uff0c\u964d\u4f4e\u4e86\u56e0\u534f\u8bae\u88ab\u653b\u7834\u800c\u5bfc\u81f4\u5168\u90e8\u8d44\u4ea7\u4e22\u5931\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n<p>\u4f46\u6388\u6743\u673a\u5236\u672c\u8eab\u5e26\u6765\u4e86\u65b0\u7684\u653b\u51fb\u9762\u3002\u5982\u679c\u88ab\u6388\u6743\u7684\u5408\u7ea6\u5305\u542b\u4e00\u4e2a\u53ef\u88ab\u653b\u51fb\u8005\u64cd\u7eb5\u7684\u5916\u90e8\u8c03\u7528\uff08CALL \u6307\u4ee4\uff09\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u8feb\u4f7f\u8be5\u5408\u7ea6\u5411\u4efb\u610f\u4ee3\u5e01\u5408\u7ea6\u53d1\u8d77 transferFrom \u8c03\u7528\uff0c\u5c06\u6388\u6743\u7528\u6237\u7684\u4ee3\u5e01\u8f6c\u79fb\u5230\u653b\u51fb\u8005\u94b1\u5305\u3002\u8fd9\u5c31\u662f ACT \u6f0f\u6d1e\u7684\u6838\u5fc3\uff1a\u88ab\u4fe1\u4efb\u7684\u201d\u4ee3\u7406\u4eba\u201d\u88ab\u653b\u51fb\u8005\u64cd\u7eb5\u6210\u4e86\u201d\u7cca\u6d82\u4ee3\u7406\u201d\uff08confused deputy\uff09\u3002\u81ea 2020 \u5e74\u4ee5\u6765\uff0c\u81f3\u5c11\u6709 22 \u8d77\u516c\u5f00\u653b\u51fb\u4e8b\u4ef6\u5229\u7528\u4e86\u6b64\u7c7b\u6f0f\u6d1e\uff0c\u9020\u6210\u8d85\u8fc7 6500 \u4e07\u7f8e\u5143\u7684\u635f\u5931\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u95ee\u9898\u5b9a\u4e49\uff1aACT \u6f0f\u6d1e\u7684\u4e09\u4e2a\u5fc5\u8981\u6761\u4ef6<\/h2>\n\n\n\n<p>\u8bba\u6587\u660e\u786e\u5b9a\u4e49\u4e86 ACT \u6f0f\u6d1e\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u7684\u4e09\u4e2a\u6761\u4ef6\uff1a<\/p>\n\n\n\n<p>\uff08R1\uff09\u8be5\u5408\u7ea6\u5fc5\u987b\u66fe\u88ab\u81f3\u5c11\u4e00\u4e2a\u4ee3\u5e01\u6388\u6743\u4e3a\u6d88\u8d39\u8005\u3002<\/p>\n\n\n\n<p>\uff08R2\uff09\u8be5\u5408\u7ea6\u5fc5\u987b\u5305\u542b\u4e00\u4e2a\uff08\u90e8\u5206\uff09\u53ef\u63a7\u7684\u51fd\u6570\u8c03\u7528\uff0c\u653b\u51fb\u8005\u80fd\u591f\u64cd\u7eb5\u8be5\u8c03\u7528\u4f7f\u5176\u6267\u884c\u6709\u6548\u4ee3\u5e01\u7684 transferFrom \u51fd\u6570\uff0c\u5c06\u975e\u653b\u51fb\u8005\u7528\u6237\u7684\u4ee3\u5e01\u8f6c\u79fb\u5230\u653b\u51fb\u8005\u5730\u5740\u3002<\/p>\n\n\n\n<p>\uff08R3\uff09\u8be5\u53ef\u63a7\u51fd\u6570\u8c03\u7528\u80fd\u88ab\u4efb\u610f\u533a\u5757\u94fe\u7528\u6237\u6210\u529f\u6267\u884c\uff0c\u5373\u4e0d\u53d7\u8bbf\u95ee\u63a7\u5236\u4fdd\u62a4\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e00\u5b9a\u4e49\u7684\u5173\u952e\u5728\u4e8e\u201d\u90e8\u5206\u53ef\u63a7\u201d\u2014\u2014\u4e0d\u540c\u4e8e\u4ee5\u5f80\u7814\u7a76\u5173\u6ce8\u6240\u6709\u53c2\u6570\u5747\u53ef\u63a7\u7684\u901a\u7528\u4efb\u610f\u8c03\u7528\u6f0f\u6d1e\uff0cACT \u6f0f\u6d1e\u4e2d\u653b\u51fb\u8005\u53ef\u80fd\u53ea\u9700\u8981\u63a7\u5236\u5173\u952e\u53c2\u6570\u7684\u6709\u9650\u90e8\u5206\u5373\u53ef\u5b9e\u65bd\u653b\u51fb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001OSPREY \u7cfb\u7edf\u67b6\u6784\uff1a\u4e94\u9636\u6bb5\u68c0\u6d4b\u6d41\u6c34\u7ebf<\/h2>\n\n\n\n<p>OSPREY \u91c7\u7528\u9759\u6001\u5206\u6790\u3001\u7b26\u53f7\u6267\u884c\u548c\u5177\u4f53\u6267\u884c\u76f8\u7ed3\u5408\u7684\u65b9\u6cd5\uff0c\u6784\u5efa\u4e86\u4e94\u9636\u6bb5\u68c0\u6d4b\u6d41\u6c34\u7ebf\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u9636\u6bb5\uff08\u6388\u6743\u8fc7\u6ee4\uff09\uff1a\u901a\u8fc7\u5206\u6790\u4ee5\u592a\u574a\u5386\u53f2\u4ea4\u6613\u4e2d\u7684 ERC20 Approval \u4e8b\u4ef6\u65e5\u5fd7\uff0c\u91cd\u5efa\u6240\u6709\u66fe\u83b7\u5f97\u4ee3\u5e01\u6388\u6743\u7684\u5408\u7ea6\u96c6\u5408\u3002\u8bba\u6587\u5171\u6536\u96c6\u4e86\u8d85\u8fc7 7800 \u4e07\u6761\u6388\u6743\u4e8b\u4ef6\uff0c\u8bc6\u522b\u51fa 424,676 \u4e2a\u66fe\u4f5c\u4e3a\u6d88\u8d39\u8005\u7684\u8d26\u6237\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u9636\u6bb5\uff08\u94fe\u4e0b\u53ef\u63a7\u6027\u5206\u6790\uff09\uff1a\u4f7f\u7528\u7b26\u53f7\u6267\u884c\u5f15\u64ce\u5bf9\u6388\u6743\u5408\u7ea6\u8fdb\u884c\u5206\u6790\uff0c\u5728\u5b8c\u5168\u7b26\u53f7\u5316\u7684\u533a\u5757\u94fe\u73af\u5883\u4e0b\uff0c\u5224\u65ad\u5408\u7ea6\u4e2d\u662f\u5426\u5b58\u5728\u53ef\u88ab\u64cd\u7eb5\u4e3a transferFrom \u8c03\u7528\u7684 CALL \u6307\u4ee4\u3002\u5206\u6790\u5bf9\u8c03\u7528\u76ee\u6807\u3001\u51fd\u6570\u9009\u62e9\u5668\u3001from\/to\/value \u53c2\u6570\u65bd\u52a0\u7ea6\u675f\u6761\u4ef6\uff0c\u8bc6\u522b\u51fa 32,582 \u4e2a\u5019\u9009\u5408\u7ea6\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u9636\u6bb5\uff08\u94fe\u4e0a\u53ef\u63a7\u6027\u9a8c\u8bc1\uff09\uff1a\u5728\u5177\u4f53\u7684\u533a\u5757\u94fe\u72b6\u6001\u4e0b\uff0c\u7ed3\u5408\u7b26\u53f7\u6267\u884c\u4e0e\u5177\u4f53\u6267\u884c\u9a8c\u8bc1\u6f0f\u6d1e\u662f\u5426\u771f\u5b9e\u53ef\u5229\u7528\u3002\u4e3a\u4e86\u5904\u7406\u5b9e\u9645\u6267\u884c\u4e2d\u7684\u590d\u6742\u573a\u666f\uff0cOSPREY \u8bbe\u8ba1\u4e86\u4e24\u4e2a\u5173\u952e\u673a\u5236\u2014\u2014\u5408\u6210\u53d7\u5bb3\u7528\u6237\uff08\u81ea\u52a8\u90e8\u7f72\u5177\u6709\u4ee3\u5e01\u4f59\u989d\u548c\u6388\u6743\u7684\u6d4b\u8bd5\u8d26\u6237\uff09\u548c\u5408\u6210\u8f85\u52a9\u5408\u7ea6\uff08\u5f53\u8f85\u52a9\u5408\u7ea6\u5730\u5740\u53ef\u63a7\u65f6\uff0c\u6839\u636e\u7b26\u53f7\u7ea6\u675f\u81ea\u52a8\u751f\u6210\u8fd4\u56de\u9884\u671f\u503c\u7684\u5408\u7ea6\uff09\u3002\u6700\u7ec8\u786e\u8ba4 410 \u4e2a\u5408\u7ea6\u786e\u5b9e\u5b58\u5728\u53ef\u5229\u7528\u7684 ACT \u6f0f\u6d1e\u3002<\/p>\n\n\n\n<p>\u7b2c\u56db\u9636\u6bb5\uff08\u6f0f\u6d1e\u5229\u7528\u751f\u6210\uff09\uff1a\u7ed3\u5408\u7b2c\u4e00\u9636\u6bb5\u83b7\u53d6\u7684\u6388\u6743\u4fe1\u606f\u548c\u7b2c\u4e09\u9636\u6bb5\u7684\u6210\u529f\u653b\u51fb\u8def\u5f84\uff0c\u4e3a\u6bcf\u4e2a\u8106\u5f31\u5408\u7ea6\u81ea\u52a8\u751f\u6210\u9488\u5bf9\u6240\u6709\u53d7\u5f71\u54cd\u7528\u6237\u7684\u6982\u5ff5\u9a8c\u8bc1\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e94\u9636\u6bb5\uff08\u5f71\u54cd\u8bc4\u4f30\uff09\uff1a\u901a\u8fc7 Uniswap \u4ea4\u6613\u6240\u4f30\u7b97\u88ab\u76d7\u8d44\u4ea7\u7684\u5e02\u573a\u4ef7\u503c\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u65e0\u6cd5\u81ea\u52a8\u751f\u6210\u5229\u7528\u4f46\u4ecd\u53ef\u80fd\u5b58\u5728\u98ce\u9669\u7684\u5408\u7ea6\uff0cOSPREY \u6839\u636e\u6267\u884c\u4e2d\u6b62\u7684\u4f4d\u7f6e\u533a\u5206\u9ad8\u7f6e\u4fe1\u5ea6\u8b66\u544a\uff08\u6267\u884c\u5230\u8fbe transferFrom \u4e4b\u540e\u624d\u4e2d\u6b62\uff09\u548c\u4f4e\u7f6e\u4fe1\u5ea6\u8b66\u544a\uff08\u6267\u884c\u5728\u5230\u8fbe transferFrom \u4e4b\u524d\u4e2d\u6b62\uff09\uff0c\u4e3a\u4eba\u5de5\u5ba1\u8ba1\u63d0\u4f9b\u4f18\u5148\u7ea7\u6307\u5f15\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.ndnlab.com\/wp-content\/uploads\/2026\/03\/image-5.png\" alt=\"Approve Once, Regret Forever: On the Exploitation of Ethereum\u2019s Approve-TransferFrom Ecosystem\u63d2\u56fe\" class=\"wp-image-1066\" title=\"Approve Once, Regret Forever: On the Exploitation of Ethereum\u2019s Approve-TransferFrom Ecosystem\u63d2\u56fe\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u9a8c\u7ed3\u679c\uff1a\u5927\u89c4\u6a21\u68c0\u6d4b\u4e0e\u5df2\u77e5\u653b\u51fb\u9a8c\u8bc1<\/h2>\n\n\n\n<p>\u5728\u5168\u91cf\u4ee5\u592a\u574a\u5206\u6790\u4e2d\uff0cOSPREY \u4ece 424,676 \u4e2a\u6388\u6743\u5408\u7ea6\u51fa\u53d1\uff0c\u7ecf\u8fc7\u9010\u5c42\u8fc7\u6ee4\uff0c\u6700\u7ec8\u786e\u8ba4 410 \u4e2a\u5408\u7ea6\u5b58\u5728\u53ef\u5229\u7528\u7684 ACT \u6f0f\u6d1e\uff0c\u81ea\u52a8\u751f\u6210\u4e86 778 \u4e2a\u5b8c\u6574\u7684\u6982\u5ff5\u9a8c\u8bc1\u653b\u51fb\uff0c\u6d89\u53ca 120 \u79cd\u4e0d\u540c\u4ee3\u5e01\u548c 275 \u4e2a\u53d7\u5bb3\u6388\u6743\u8005\uff0c\u6f5c\u5728\u8d22\u52a1\u5f71\u54cd\u8d85\u8fc7 340 \u4e07\u7f8e\u5143\u3002\u5176\u4e2d\u6700\u4e25\u91cd\u7684\u5355\u4e2a\u6f0f\u6d1e\u5f71\u54cd\u8fbe 140 \u4e07\u7f8e\u5143\u3002<\/p>\n\n\n\n<p>\u5728\u5df2\u77e5\u653b\u51fb\u6570\u636e\u96c6\u4e0a\uff0c\u8bba\u6587\u6536\u96c6\u4e86 14 \u8d77\u771f\u5b9e ACT \u653b\u51fb\u4e8b\u4ef6\u3002OSPREY \u6210\u529f\u68c0\u6d4b\u5230\u5176\u4e2d 13 \u8d77\uff081 \u8d77\u56e0\u7b26\u53f7\u5206\u6790\u8d85\u65f6\u672a\u80fd\u68c0\u6d4b\uff09\uff0c\u4e3a 5 \u8d77\u81ea\u52a8\u751f\u6210\u4e86\u5b8c\u6574\u5229\u7528\uff0c\u4e3a\u5176\u4f59 8 \u8d77\u53d1\u51fa\u4e86\u9ad8\u6216\u4f4e\u7f6e\u4fe1\u5ea6\u8b66\u544a\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cOSPREY \u81ea\u52a8\u751f\u6210\u7684\u6700\u4f18\u653b\u51fb\u65b9\u6848\u5728\u591a\u4e2a\u6848\u4f8b\u4e2d\u53d1\u73b0\u4e86\u6bd4\u771f\u5b9e\u653b\u51fb\u8005\u591a\u76d7\u53d6 570 \u4e07\u7f8e\u5143\u8d44\u4ea7\u7684\u673a\u4f1a\uff0c\u8bf4\u660e\u5b9e\u9645\u653b\u51fb\u8005\u5e76\u672a\u5145\u5206\u5229\u7528\u6f0f\u6d1e\u3002<\/p>\n\n\n\n<p>\u4e0e\u73b0\u6709\u5de5\u5177 PrettySmart \u548c JACKAL \u7684\u5bf9\u6bd4\u8868\u660e\uff0cOSPREY \u5728\u68c0\u6d4b\u6548\u679c\u4e0a\u5927\u5e45\u9886\u5148\u3002PrettySmart \u4ec5\u901a\u8fc7\u9759\u6001\u6c61\u70b9\u5206\u6790\u6807\u8bb0\u6f5c\u5728\u53ef\u63a7\u8c03\u7528\uff0c\u8bef\u62a5\u7387\u9ad8\u8fbe 92%\uff1bJACKAL \u4ec5\u68c0\u6d4b\u6240\u6709\u53c2\u6570\u5747\u53ef\u63a7\u7684\u8c03\u7528\uff0c\u8986\u76d6\u9762\u6709\u9650\u3002OSPREY \u901a\u8fc7\u5bf9 ACT \u573a\u666f\u7684\u4e13\u95e8\u5efa\u6a21\u548c\u90e8\u5206\u53ef\u63a7\u6027\u5206\u6790\uff0c\u5728\u68c0\u6d4b\u6570\u91cf\u548c\u9a8c\u8bc1\u80fd\u529b\u4e0a\u5747\u8868\u73b0\u51fa\u663e\u8457\u4f18\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u62d3\u5c55\u6027\uff1aERC721 \u4e0e Permit2<\/h2>\n\n\n\n<p>\u8bba\u6587\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u4e86 OSPREY \u7684\u65b9\u6cd5\u5bf9\u5176\u4ed6\u4ee3\u5e01\u6807\u51c6\u548c\u6388\u6743\u673a\u5236\u7684\u9002\u7528\u6027\u3002<\/p>\n\n\n\n<p>\u9488\u5bf9 ERC721\uff08NFT\uff09\u6807\u51c6\u7684\u5206\u6790\u53d1\u73b0\u4e86 18 \u4e2a\u5b58\u5728\u53ef\u5229\u7528 ACT \u6f0f\u6d1e\u7684\u5408\u7ea6\uff0c\u5176\u4e2d 17 \u4e2a\u5728\u64b0\u5199\u8bba\u6587\u65f6\u4ecd\u53ef\u88ab\u5229\u7528\u3002\u9488\u5bf9 Uniswap \u7684 Permit2 \u6388\u6743\u673a\u5236\u7684\u5206\u6790\u540c\u6837\u53d1\u73b0\u4e86 1 \u4e2a\u53ef\u5229\u7528\u7684\u8106\u5f31\u5408\u7ea6\u3002\u8fd9\u8bc1\u660e\u4e86 OSPREY \u7684\u65b9\u6cd5\u8bba\u53ef\u4ee5\u63a8\u5e7f\u5230\u4efb\u610f\u5177\u6709\u6388\u6743\u673a\u5236\u7684\u4ee3\u5e01\u6807\u51c6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u603b\u7ed3\u4e0e\u542f\u793a<\/h2>\n\n\n\n<p>\u8fd9\u9879\u7814\u7a76\u63ed\u793a\u4e86\u4ee5\u592a\u574a approve-transferFrom \u751f\u6001\u4e2d\u4e00\u4e2a\u88ab\u4f4e\u4f30\u4f46\u5f71\u54cd\u6df1\u8fdc\u7684\u5b89\u5168\u95ee\u9898\u3002\u7528\u6237\u7684\u4e00\u6b21\u6388\u6743\u64cd\u4f5c\uff0c\u53ef\u80fd\u5728\u672a\u6765\u67d0\u4e2a\u65f6\u523b\u56e0\u88ab\u6388\u6743\u5408\u7ea6\u7684\u6f0f\u6d1e\u800c\u5bfc\u81f4\u8d44\u4ea7\u88ab\u76d7\u2014\u2014\u771f\u6b63\u662f\u201d\u6388\u6743\u4e00\u6b21\uff0c\u540e\u6094\u7ec8\u751f\u201d\u3002OSPREY \u7cfb\u7edf\u901a\u8fc7\u5c06\u94fe\u4e0a\u6388\u6743\u72b6\u6001\u5206\u6790\u4e0e\u7a0b\u5e8f\u5206\u6790\u6df1\u5ea6\u7ed3\u5408\uff0c\u5b9e\u73b0\u4e86\u4ece\u6f0f\u6d1e\u53d1\u73b0\u5230\u5229\u7528\u751f\u6210\u7684\u5168\u81ea\u52a8\u5316\uff0c\u4e3a DeFi \u751f\u6001\u7684\u5b89\u5168\u5ba1\u8ba1\u63d0\u4f9b\u4e86\u91cd\u8981\u5de5\u5177\u3002\u5bf9\u4e8e\u666e\u901a\u7528\u6237\u800c\u8a00\uff0c\u5b9a\u671f\u68c0\u67e5\u548c\u64a4\u9500\u4e0d\u5fc5\u8981\u7684\u4ee3\u5e01\u6388\u6743\u4ecd\u7136\u662f\u4fdd\u62a4\u8d44\u4ea7\u5b89\u5168\u7684\u57fa\u672c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u8bba\u6587\u94fe\u63a5\uff1ahttps:\/\/www.usenix.org\/conference\/usenixsecurity25\/presentation\/ruaro<\/p>\n\n\n\n<p>\u4ee3\u7801\u4ed3\u5e93\uff1ahttps:\/\/github.com\/ucsb-seclab\/osprey<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u533a\u5757\u94fe\u5b89\u5168 Ruaro N, Gritti F, Meng D, et al. 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