{"id":244828,"date":"2023-09-21T04:59:38","date_gmt":"2023-09-20T20:59:38","guid":{"rendered":"https:\/\/www.idc.net\/help\/244828\/"},"modified":"2023-09-21T04:59:38","modified_gmt":"2023-09-20T20:59:38","slug":"2023-%e5%b9%b4-web3-%e5%bc%80%e5%8f%91%e4%ba%ba%e5%91%98%e7%9a%84%e5%8d%81%e5%a4%a7%e9%9d%a2%e8%af%95%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/244828\/","title":{"rendered":"2023 \u5e74 Web3 \u5f00\u53d1\u4eba\u5458\u7684\u5341\u5927\u9762\u8bd5\u95ee\u9898"},"content":{"rendered":"<p>\u5982\u679c\u60a8\u662f\u51c6\u5907\u9762\u8bd5\u7684 web3 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web3 \u4e2d\u7684\u91cd\u8981\u6027\u5417\uff1f<\/h2>\n<p>\u6743\u529b\u4e0b\u653e\u662f\u6307\u5728\u4e0d\u540c\u7684\u53c2\u4e0e\u8005\u6216\u4ee3\u7406\u4eba\u4e4b\u95f4\u5206\u914d\u6743\u529b\u6216\u63a7\u5236\u6743\u3002\u5728 web3 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\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u7279\u5f81\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u6d89\u53ca\u654f\u611f\u6570\u636e\u6216\u9ad8\u4ef7\u503c\u4ea4\u6613\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2>\u533a\u5757\u94fe\u662f\u5982\u4f55\u8fbe\u6210\u5171\u8bc6\u7684\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u5171\u8bc6\u7b97\u6cd5\uff1f<\/h2>\n<p>\u5728\u533a\u5757\u94fe\u7f51\u7edc\u4e2d\uff0c\u5171\u8bc6\u662f\u7f51\u7edc\u5c31\u533a\u5757\u94fe\u7684\u72b6\u6001\u548c\u4ea4\u6613\u7684\u6709\u6548\u6027\u8fbe\u6210\u4e00\u81f4\u7684\u8fc7\u7a0b\u3002\u5171\u8bc6\u5f88\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u786e\u4fdd\u7f51\u7edc\u4e2d\u7684\u6240\u6709\u53c2\u4e0e\u8005\u90fd\u540c\u610f\u76f8\u540c\u7248\u672c\u7684\u4e8b\u5b9e\uff0c\u5e76\u4e14\u533a\u5757\u94fe\u4fdd\u6301\u5b89\u5168\u53ef\u9760\u3002<\/p>\n<p>\u6709\u8bb8\u591a\u4e0d\u540c\u7684\u5171\u8bc6\u7b97\u6cd5\u53ef\u7528\u4e8e\u5728\u533a\u5757\u94fe\u7f51\u7edc\u4e2d\u8fbe\u6210\u5171\u8bc6\u3002\u4e00\u4e9b\u6700\u5e38\u89c1\u7684\u5171\u8bc6\u7b97\u6cd5\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>1.&nbsp;\u5de5\u4f5c\u91cf\u8bc1\u660e (PoW)\uff1a\u8fd9\u662f\u6700\u8457\u540d\u7684\u5171\u8bc6\u7b97\u6cd5\uff0c\u88ab\u6bd4\u7279\u5e01\u7b49\u7f51\u7edc\u4f7f\u7528\u3002\u5728 PoW \u7cfb\u7edf\u4e2d\uff0c\u8282\u70b9\u7ade\u4e89\u89e3\u51b3\u4e00\u4e2a\u590d\u6742\u7684\u6570\u5b66\u95ee\u9898\uff0c\u7b2c\u4e00\u4e2a\u89e3\u51b3\u95ee\u9898\u7684\u8282\u70b9\u5c06\u4e0b\u4e00\u4e2a\u533a\u5757\u6dfb\u52a0\u5230\u94fe\u4e2d\u3002<\/li>\n<li>2.&nbsp;\u80a1\u6743\u8bc1\u660e (PoS)\uff1a\u5728 PoS \u7cfb\u7edf\u4e2d\uff0c\u8282\u70b9\u201c\u62b5\u62bc\u201d\u81ea\u5df1\u7684\u52a0\u5bc6\u8d27\u5e01\u4f5c\u4e3a\u62b5\u62bc\u54c1\u4ee5\u53c2\u4e0e\u5171\u8bc6\u8fc7\u7a0b\u3002\u9009\u62e9\u4e00\u4e2a\u8282\u70b9\u5c06\u4e0b\u4e00\u4e2a\u533a\u5757\u6dfb\u52a0\u5230\u94fe\u4e2d\u7684\u53ef\u80fd\u6027\u4e0e\u5176\u62b5\u62bc\u7684\u52a0\u5bc6\u8d27\u5e01\u6570\u91cf\u6210\u6b63\u6bd4\u3002<\/li>\n<li>3.&nbsp;\u59d4\u6258\u6743\u76ca\u8bc1\u660e\uff08DPoS\uff09\uff1a\u5728 DPoS 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\u7b97\u6cd5\uff0c\u4f46\u5b83\u4eec\u4f9d\u8d56\u4e8e\u7279\u5b9a\u7c7b\u578b\u7684\u8282\u70b9\uff0c\u79f0\u4e3a\u201c\u62dc\u5360\u5ead\u201d\u8282\u70b9\uff0c\u4ee5\u8fbe\u6210\u5171\u8bc6\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u53ea\u662f\u4e3a\u533a\u5757\u94fe\u7f51\u7edc\u5f00\u53d1\u7684\u4f17\u591a\u5171\u8bc6\u7b97\u6cd5\u4e2d\u7684\u51e0\u4e2a\u4f8b\u5b50\u3002\u6bcf\u79cd\u7b97\u6cd5\u90fd\u6709\u81ea\u5df1\u7684\u957f\u5904\u548c\u77ed\u5904\uff0c\u7b97\u6cd5\u7684\u9009\u62e9\u5c06\u53d6\u51b3\u4e8e\u7f51\u7edc\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n<h2>\u4f60\u80fd\u89e3\u91ca\u4e00\u4e0b\u667a\u80fd\u5408\u7ea6\u7684\u6982\u5ff5\u4ee5\u53ca\u5b83\u4eec\u5982\u4f55\u5728 web3 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web3 \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7528\u4e8e\u81ea\u52a8\u5316\u5404\u79cd\u6d41\u7a0b\uff0c\u5e76\u5728\u5404\u65b9\u4e4b\u95f4\u5b9e\u73b0\u5b89\u5168\u3001\u900f\u660e\u548c\u53ef\u9760\u7684\u4ea4\u4e92\u3002\u5b83\u4eec\u53ef\u7528\u4e8e\u5404\u79cd\u5e94\u7528\uff0c\u5305\u62ec\u4f9b\u5e94\u94fe\u7ba1\u7406\u3001\u91d1\u878d\u4ea4\u6613\u3001\u623f\u5730\u4ea7\u7b49\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u6307\u5b9a\u534f\u8bae\u6761\u6b3e\uff08\u5305\u62ec\u4ef7\u683c\u548c\u5fc5\u987b\u6ee1\u8db3\u7684\u4efb\u4f55\u6761\u4ef6\uff09\uff0c\u667a\u80fd\u5408\u7ea6\u53ef\u7528\u4e8e\u81ea\u52a8\u5316\u4e70\u5356\u623f\u5730\u4ea7\u7684\u8fc7\u7a0b\u3002\u5f53\u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u667a\u80fd\u5408\u7ea6\u4f1a\u81ea\u52a8\u5c06\u8d22\u4ea7\u7684\u6240\u6709\u6743\u4ece\u5356\u65b9\u8f6c\u79fb\u5230\u4e70\u65b9\u3002\u8fd9\u53ef\u4ee5\u7b80\u5316\u6d41\u7a0b\u5e76\u6d88\u9664\u5bf9\u4e2d\u4ecb\u673a\u6784\uff08\u5982\u623f\u5730\u4ea7\u7ecf\u7eaa\u4eba\u6216\u5f8b\u5e08\uff09\u7684\u9700\u6c42\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u4ee5\u592a\u574a\u865a\u62df\u673a (EVM)\uff0c\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h2>\n<p>\u4ee5\u592a\u574a\u865a\u62df\u673a\uff08EVM\uff09\u662f\u4e00\u4e2a\u53bb\u4e2d\u5fc3\u5316\u7684\u865a\u62df\u673a\uff0c\u5b83\u5728\u4ee5\u592a\u574a\u533a\u5757\u94fe\u4e0a\u6267\u884c\u667a\u80fd\u5408\u7ea6\u3002\u5b83\u65e8\u5728\u6210\u4e3a\u6267\u884c\u667a\u80fd\u5408\u7ea6\u548c\u8fd0\u884c\u53bb\u4e2d\u5fc3\u5316\u5e94\u7528\u7a0b\u5e8f (dApp) \u7684\u4e00\u79cd\u7b80\u5355\u800c\u5f3a\u5927\u7684\u65b9\u5f0f\u3002<\/p>\n<p>EVM \u901a\u8fc7\u6267\u884c\u4e00\u7cfb\u5217\u5b58\u50a8\u5728\u667a\u80fd\u5408\u7ea6\u4e2d\u7684\u6307\u4ee4\uff08\u79f0\u4e3a\u5b57\u8282\u7801\uff09\u6765\u5de5\u4f5c\u3002\u8fd9\u4e9b\u6307\u4ee4\u6307\u5b9a\u4e86\u667a\u80fd\u5408\u7ea6\u5728\u6267\u884c\u65f6\u5e94\u8be5\u6267\u884c\u7684\u64cd\u4f5c\u3002\u5f53\u667a\u80fd\u5408\u7ea6\u90e8\u7f72\u5230\u4ee5\u592a\u574a\u7f51\u7edc\u65f6\uff0c\u5b83\u5b58\u50a8\u5728 EVM \u4e2d\u5e76\u4e14\u53ef\u4ee5\u7531\u5916\u90e8\u4e8b\u4ef6\u89e6\u53d1\uff0c\u4f8b\u5982\u6536\u5230\u4ed8\u6b3e\u6216\u65f6\u95f4\u9650\u5236\u5230\u671f\u3002<\/p>\n<p>EVM \u88ab\u8bbe\u8ba1\u6210\u4e00\u4e2a\u6c99\u76d2\u73af\u5883\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e0e\u4ee5\u592a\u574a\u7f51\u7edc\u7684\u5176\u4f59\u90e8\u5206\u9694\u79bb\u5f00\u6765\uff0c\u53ea\u80fd\u8bbf\u95ee\u5206\u914d\u7ed9\u5b83\u7684\u8d44\u6e90\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u6076\u610f\u5408\u7ea6\u8bbf\u95ee\u6216\u4fee\u6539\u5176\u9884\u671f\u8303\u56f4\u4e4b\u5916\u7684\u6570\u636e\uff0c\u4ece\u800c\u786e\u4fdd\u4ee5\u592a\u574a\u7f51\u7edc\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>EVM \u662f\u4ee5\u592a\u574a\u7f51\u7edc\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5728\u5b9e\u73b0\u667a\u80fd\u5408\u7ea6\u7684\u6267\u884c\u548c\u53bb\u4e2d\u5fc3\u5316\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u65b9\u9762\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002<\/p>\n<h2>\u4f60\u80fd\u89e3\u91ca\u4e00\u4e0b web3 \u4e2d\u94fe\u4e0a\u548c\u94fe\u4e0b\u4ea4\u6613\u7684\u533a\u522b\u5417\uff1f<\/h2>\n<p>\u94fe\u4e0a\u4ea4\u6613\u662f\u6307\u76f4\u63a5\u8bb0\u5f55\u5728\u533a\u5757\u94fe\u4e0a\u5e76\u6c38\u4e45\u5b58\u50a8\u5728\u533a\u5757\u94fe\u8d26\u672c\u4e2d\u7684\u4ea4\u6613\u3002\u8fd9\u4e9b\u4ea4\u6613\u7531\u7f51\u7edc\u9a8c\u8bc1\uff0c\u88ab\u8ba4\u4e3a\u662f\u9ad8\u5ea6\u5b89\u5168\u548c\u900f\u660e\u7684\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u94fe\u4e0b\u4ea4\u6613\u662f\u6307\u672a\u8bb0\u5f55\u5728\u533a\u5757\u94fe\u4e0a\u7684\u4ea4\u6613\u3002\u76f8\u53cd\uff0c\u5b83\u4eec\u901a\u5e38\u901a\u8fc7\u7b2c\u4e09\u65b9\u670d\u52a1\u6216\u5e73\u53f0\u5728\u533a\u5757\u94fe\u4e0a\u7ed3\u7b97\u3002\u94fe\u4e0b\u4ea4\u6613\u672a\u7ecf\u7f51\u7edc\u9a8c\u8bc1\uff0c\u901a\u5e38\u88ab\u8ba4\u4e3a\u4e0d\u5982\u94fe\u4e0a\u4ea4\u6613\u5b89\u5168\u548c\u900f\u660e\u3002<\/p>\n<p>\u94fe\u4e0b\u4ea4\u6613\u7684\u4e00\u4e2a\u4f18\u70b9\u662f\u5b83\u4eec\u53ef\u4ee5\u6bd4\u94fe\u4e0a\u4ea4\u6613\u66f4\u5feb\u3001\u66f4\u4fbf\u5b9c\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u76f8\u540c\u7ea7\u522b\u7684\u9a8c\u8bc1\u5e76\u4e14\u4e0d\u5360\u7528\u533a\u5757\u94fe\u4e2d\u7684\u7a7a\u95f4\u3002\u7136\u800c\uff0c\u5b83\u4eec\u4e5f\u53ef\u80fd\u4e0d\u90a3\u4e48\u5b89\u5168\u548c\u900f\u660e\uff0c\u56e0\u4e3a\u5b83\u4eec\u6ca1\u6709\u7ecf\u8fc7\u7f51\u7edc\u9a8c\u8bc1\uff0c\u4e5f\u6ca1\u6709\u8bb0\u5f55\u5728\u533a\u5757\u94fe\u5206\u7c7b\u8d26\u4e2d\u3002<\/p>\n<p>\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548c\u76ee\u6807\uff0c\u94fe\u4e0a\u548c\u94fe\u4e0b\u4ea4\u6613\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u90fd\u6709\u7528\u3002\u4f8b\u5982\uff0c\u94fe\u4e0a\u4ea4\u6613\u53ef\u80fd\u66f4\u9002\u5408\u9700\u8981\u9ad8\u5b89\u5168\u6027\u548c\u900f\u660e\u5ea6\u7684\u9ad8\u4ef7\u503c\u6216\u654f\u611f\u4ea4\u6613\uff0c\u800c\u94fe\u4e0b\u4ea4\u6613\u53ef\u80fd\u66f4\u9002\u5408\u9700\u8981\u66f4\u5feb\u5904\u7406\u65f6\u95f4\u7684\u4f4e\u4ef7\u503c\u6216\u4e0d\u592a\u654f\u611f\u7684\u4ea4\u6613\u6216\u964d\u4f4e\u6210\u672c\u3002<\/p>\n<h2>\u60a8\u5982\u4f55\u5904\u7406 web3 \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5b89\u5168\u6027\u4ee5\u53ca\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>\u53ef\u4ee5\u91c7\u53d6\u51e0\u4e2a\u6b65\u9aa4\u6765\u786e\u4fdd web3 \u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<p>\u4f7f\u7528\u5f3a\u5bc6\u7801\u5e76\u542f\u7528\u53cc\u56e0\u7d20\u8eab\u4efd\u9a8c\u8bc1\uff1a\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u672a\u7ecf\u6388\u6743\u8bbf\u95ee\u5e10\u6237\u548c\u654f\u611f\u6570\u636e\u3002<\/p>\n<p>\u4f7f\u7528\u5b89\u5168\u7f51\u7edc\uff1a\u786e\u4fdd\u5728\u8bbf\u95ee web3 \u5e94\u7528\u7a0b\u5e8f\u65f6\u4f7f\u7528\u5b89\u5168\u7f51\u7edc\uff0c\u5e76\u5c3d\u53ef\u80fd\u907f\u514d\u4f7f\u7528\u516c\u5171 Wi-Fi\u3002<\/p>\n<p>\u4f7f\u8f6f\u4ef6\u4fdd\u6301\u6700\u65b0\u72b6\u6001\uff1a\u786e\u4fdd\u4f7f\u7528\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\u4f7f\u6240\u6709\u8f6f\u4ef6\uff08\u5305\u62ec web3 \u5e94\u7528\u7a0b\u5e8f\u548c\u64cd\u4f5c\u7cfb\u7edf\uff09\u4fdd\u6301\u6700\u65b0\u72b6\u6001\u3002<\/p>\n<p>\u4f7f\u7528\u5b89\u5168\u5b58\u50a8\uff1a\u4f7f\u7528\u786c\u4ef6\u94b1\u5305\u7b49\u5b89\u5168\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u6765\u5b58\u50a8\u654f\u611f\u6570\u636e\u548c\u52a0\u5bc6\u8d27\u5e01\u3002<\/p>\n<p>\u4f7f\u7528\u5b89\u5168\u7684\u901a\u4fe1\u6e20\u9053\uff1a\u4f7f\u7528\u5b89\u5168\u7684\u901a\u4fe1\u6e20\u9053\uff0c\u4f8b\u5982\u52a0\u5bc6\u7684\u6d88\u606f\u4f20\u9012\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e0e\u4ed6\u4eba\u5c31 web3 \u5e94\u7528\u7a0b\u5e8f\u548c\u654f\u611f\u6570\u636e\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u8c28\u614e\u4f7f\u7528\u667a\u80fd\u5408\u7ea6\uff1a\u4f7f\u7528\u667a\u80fd\u5408\u7ea6\u65f6\u8981\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e00\u65e6\u90e8\u7f72\u5c31\u5f88\u96be\u4fee\u6539\u3002\u5728\u751f\u4ea7\u4e2d\u4f7f\u7528\u667a\u80fd\u5408\u7ea6\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u5f7b\u5e95\u6d4b\u8bd5\u548c\u5ba1\u67e5\u5b83\u4eec\u3002<\/p>\n<p>\u4f7f\u7528\u5b89\u5168\u5f00\u53d1\u5b9e\u8df5\uff1a\u9075\u5faa\u5b89\u5168\u8f6f\u4ef6\u5f00\u53d1\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u4f8b\u5982\u4f7f\u7528\u5b89\u5168\u7f16\u7801\u6807\u51c6\u548c\u8fdb\u884c\u5b89\u5168\u6d4b\u8bd5\u3002<\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u5e2e\u52a9\u786e\u4fdd web3 \u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u5e76\u4fdd\u62a4\u654f\u611f\u6570\u636e\u514d\u53d7\u6f5c\u5728\u5a01\u80c1\u3002<\/p>\n<h2>\u7f16\u5199\u4e00\u6bb5\u4ee3\u7801\uff0c\u4f7f\u7528 HTML \u548c JavaScript \u4ee5\u53ca web3.js \u5e93\u6765\u521b\u5efa\u4e00\u4e2a\u5141\u8bb8\u7528\u6237\u652f\u4ed8 1 ETH \u7684\u6309\u94ae\u3002<\/h2>\n<p>\u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u6587\u672c\u201c\u652f\u4ed8 1 ETH\u201d\u7684\u6309\u94ae\uff0c\u5e76\u8bbe\u7f6e\u4e00\u4e2a\u4e8b\u4ef6\u4fa6\u542c\u5668\u6765\u4fa6\u542c\u6309\u94ae\u4e0a\u7684\u70b9\u51fb\u3002\u5355\u51fb\u8be5\u6309\u94ae\u65f6\uff0c\u5b83\u4f1a\u5411\u6307\u5b9a\u7684\u652f\u4ed8\u5730\u5740\u53d1\u9001\u4e00\u7b14\u4ea4\u6613\uff0c\u5373\u4ece\u7528\u6237\u8d26\u6237\u5411\u652f\u4ed8\u5730\u5740\u53d1\u9001 1 \u4e2a ETH\u3002\u4f7f\u7528 web3.eth.sendTransaction() \u65b9\u6cd5\u53d1\u9001\u4ea4\u6613\uff0c\u8be5\u65b9\u6cd5\u5c06\u4ea4\u6613\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u5e76\u5c06\u4ea4\u6613\u53d1\u9001\u5230\u4ee5\u592a\u574a\u7f51\u7edc\u3002<\/p>\n<p>\u6b64\u4ee3\u7801\u53ea\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u53ef\u80fd\u9700\u8981\u4fee\u6539\u4ee5\u9002\u5e94\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u5b9a\u9700\u6c42\u3002\u60a8\u53ef\u80fd\u9700\u8981\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8c03\u6574\u652f\u4ed8\u5730\u5740\u3001\u652f\u4ed8\u91d1\u989d\u3001gas limit\u3001gas price\u3002\u60a8\u53ef\u80fd\u8fd8\u9700\u8981\u5904\u7406\u6b64\u793a\u4f8b\u4e2d\u672a\u6db5\u76d6\u7684\u9519\u8bef\u548c\u5176\u4ed6\u60c5\u51b5\u3002<\/p>\n<pre><span style=\"color: #d73a49\">\/\/<\/span> \u521d\u59cb\u5316 web3<br>         \u5982\u679c <span style=\"color: #997\">(<\/span>typeof web3 <span style=\"color: #d73a49\">!==<\/span> <span style=\"color: #690\">'undefined'<\/span><span style=\"color: #997\">)<\/span> <span style=\"color: #997\">{<\/span><br>           web3 <span style=\"color: #d73a49\">=<\/span> new Web3<span style=\"color: #997\">(<\/span>web3<span style=\"color: #005cc5\">.currentProvider<\/span><span style=\"color: #997\">)<\/span><span>;<\/span><br>         <span style=\"color: #997\">}<\/span> \u522b\u7684 <span style=\"color: #997\">{<\/span><br>           <span style=\"color: #d73a49\">\/\/<\/span> \u4ece Web3<span style=\"color: #005cc5\">.providers<\/span> \u8bbe\u7f6e\u4f60\u60f3\u8981\u7684\u63d0\u4f9b\u8005<br>           web3 <span style=\"color: #d73a49\">=<\/span> new Web3<span style=\"color: #997\">(<\/span>new Web3<span style=\"color: #005cc5\">.providers<\/span><span style=\"color: #005cc5\">.HttpProvider<\/span><span style=\"color: #997\">(<\/span><span style=\"color: #690\">\"http:\/\/localhost:8545\"<\/span><span style=\"color: #997\">)<\/span><span style=\"color: #997\">)<\/span><span>;<\/span><br>         <span style=\"color: #997\">}<\/span><br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u8bbe\u7f6e\u5c06\u63a5\u6536\u4ed8\u6b3e\u7684\u5408\u7ea6\u6216\u94b1\u5305\u7684\u5730\u5740<br>         const paymentAddress <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #690\">\"0x1234567890abcdef1234567890abcdef12345678\"<\/span><span>;<\/span><br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u8bbe\u7f6e\u4ee5 ETH \u652f\u4ed8\u7684\u91d1\u989d<br>         const paymentAmount <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #005cc5\">1<\/span><span>;<\/span><br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u83b7\u53d6\u7528\u6237\u8d26\u53f7<br>         const account <span style=\"color: #d73a49\">=<\/span> web3<span style=\"color: #005cc5\">.eth<\/span><span style=\"color: #005cc5\">.accounts<\/span><span style=\"color: #997\">[<\/span><span style=\"color: #005cc5\">0<\/span><span style=\"color: #997\">]<\/span><span>;<\/span><br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u8bbe\u7f6egas <span style=\"color: #d73a49\">limit<\/span>\u548cgas price<br>         const gasLimit <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #005cc5\">21000<\/span><span>;<\/span><br>         const gasPrice <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #005cc5\">20000000000<\/span>\uff1b<br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u521b\u5efa\u4ea4\u6613\u5bf9\u8c61<br>         const \u4e8b\u52a1 <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #997\">{<\/span><br>           \u6765\u81ea\uff1a\u5e10\u6237\uff0c<br>           \u81f3\uff1a\u4ed8\u6b3e\u5730\u5740\uff0c<br>           \u503c\uff1aweb3<span style=\"color: #005cc5\">.toWei<\/span><span style=\"color: #997\">(<\/span>paymentAmount<span>,<\/span> <span style=\"color: #690\">\"ether\"<\/span><span style=\"color: #997\">)<\/span><span>,<\/span><br>           \u6c14\u4f53\uff1a\u6c14\u4f53\u9650\u5236\uff0c<br>           gasPrice<span>:<\/span> gas\u4ef7\u683c<br>         <span style=\"color: #997\">}<\/span><span>;<\/span><br>         <br>         <span style=\"color: #d73a49\">\/\/<\/span> \u76d1\u542c\u652f\u4ed8\u6309\u94ae\u7684\u70b9\u51fb<br>         document<span style=\"color: #005cc5\">.getElementById<\/span><span style=\"color: #997\">(<\/span><span style=\"color: #690\">\"\u652f\u4ed8\u6309\u94ae\"<\/span><span style=\"color: #997\">)<\/span><span style=\"color: #005cc5\">.addEventListener<\/span><span style=\"color: #997\">(<\/span><span style=\"color: #690\">\"\u70b9\u51fb\"<\/span><span>,<\/span> function<span style=\"color: #997\">(<\/span><span style=\"color: #997\">)<\/span> <span style=\"color: #997\">{<\/span><br>           <span style=\"color: #d73a49\">\/\/<\/span> \u53d1\u9001\u4ea4\u6613<br>           web3<span style=\"color: #005cc5\">.eth<\/span><span style=\"color: #005cc5\">.sendTransaction<\/span>\uff08\u4e8b\u52a1\uff0c\u51fd\u6570\uff08\u9519\u8bef\uff0c\u54c8\u5e0c\uff09<span style=\"color: #997\">{<\/span><br>             \u5982\u679c\uff08\u9519\u8bef\uff09<span style=\"color: #997\">{<\/span><br>               \u63a7\u5236\u53f0\u9519\u8bef\uff08\u9519\u8bef\uff09\uff1b<br>             <span style=\"color: #997\">}<\/span> \u522b\u7684 <span style=\"color: #997\">{<\/span><br>               \u63a7\u5236\u53f0\u65e5\u5fd7\uff08\u54c8\u5e0c\uff09\uff1b<br>             <span style=\"color: #997\">}<\/span><br>           <span style=\"color: #997\">}<\/span><span style=\"color: #997\">)<\/span><span>;<\/span><br>         <span style=\"color: #997\">}<\/span><span style=\"color: #997\">)<\/span><span>;<\/span><\/pre>\n<h2>\u7f16\u5199\u4e00\u4e2a\u7528 Solidity \u7f16\u5199\u7684\u667a\u80fd\u5408\u7ea6\u7684\u7b80\u5355\u793a\u4f8b<\/h2>\n<p>\u8fd9\u4e2a\u5408\u7ea6\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5408\u7ea6\uff0c\u5b83\u53ea\u6709\u4e00\u4e2a\u53d8\u91cf\u201cvalue\u201d\uff0c\u5b83\u662f\u4e00\u4e2a\u65e0\u7b26\u53f7\u6574\u6570 (uint)\u3002\u5408\u7ea6\u6709\u4e00\u4e2a\u6784\u9020\u51fd\u6570\uff0c\u5f53\u5408\u7ea6\u88ab\u90e8\u7f72\u5230\u4ee5\u592a\u574a\u7f51\u7edc\u65f6\u4f1a\u88ab\u8c03\u7528\u3002\u6784\u9020\u51fd\u6570\u5c06\u201cvalue\u201d\u53d8\u91cf\u7684\u503c\u521d\u59cb\u5316\u4e3a 0\u3002<\/p>\n<p>\u8be5\u5408\u7ea6\u8fd8\u6709\u4e24\u4e2a\u529f\u80fd\uff1a\u201csetValue\u201d\u548c\u201cgetValue\u201d\u3002\u201csetValue\u201d\u51fd\u6570\u5141\u8bb8\u7528\u6237\u8bbe\u7f6e\u201cvalue\u201d\u53d8\u91cf\u7684\u503c\uff0c\u800c\u201cgetValue\u201d\u51fd\u6570\u5141\u8bb8\u7528\u6237\u68c0\u7d22\u201cvalue\u201d\u53d8\u91cf\u7684\u5f53\u524d\u503c\u3002<\/p>\n<p>\u8fd9\u662f\u667a\u80fd\u5408\u7ea6\u7684\u4e00\u4e2a\u975e\u5e38\u57fa\u672c\u7684\u4f8b\u5b50\uff0c\u8fd8\u6709\u66f4\u591a\u7684\u7279\u6027\u548c\u529f\u80fd\u53ef\u4ee5\u6dfb\u52a0\u5230\u5408\u7ea6\u4e2d\u3002\u4f46\u662f\uff0c\u8fd9\u4efd\u5408\u7ea6\u5e94\u8be5\u80fd\u8ba9\u60a8\u5f88\u597d\u5730\u7406\u89e3 Solidity \u5408\u7ea6\u7684\u57fa\u672c\u7ed3\u6784\u548c\u8bed\u6cd5\u3002<\/p>\n<pre>pragma solidity <span style=\"color: #d73a49\">^<\/span><span style=\"color: #005cc5\">0.8<\/span><span style=\"color: #005cc5\">.3<\/span><span>;<\/span><br><br>\u5408\u540c\u7b80\u5355\u5408\u540c<span style=\"color: #997\">{<\/span><br>    <span style=\"color: #d73a49\">\/\/<\/span>\u58f0\u660e\u4e00\u4e2a\u53d8\u91cf\u6765\u5b58\u50a8\u4e00\u4e2a\u503c<br>    \u516c\u5171\u4ef7\u503c\uff1b<br><br>    <span style=\"color: #d73a49\">\/\/<\/span> \u521d\u59cb\u5316\u5408\u7ea6\u7684\u6784\u9020\u51fd\u6570<br>    \u6784\u9020\u51fd\u6570\uff08\uff09\u516c\u5171<span style=\"color: #997\">{<\/span><br>        \u503c <span style=\"color: #d73a49\">=<\/span> <span style=\"color: #005cc5\">0<\/span>\uff1b<br>    <span style=\"color: #997\">}<\/span><br><br>    <span style=\"color: #d73a49\">\/\/<\/span> \u8bbe\u7f6e\u53d8\u91cf\u503c\u7684\u51fd\u6570<br>    \u51fd\u6570 setValue<span style=\"color: #997\">(<\/span>uint newValue<span style=\"color: #997\">)<\/span> public <span style=\"color: #997\">{<\/span><br>        \u4ef7\u503c<span style=\"color: #d73a49\">=<\/span>\u65b0\u4ef7\u503c\uff1b<br>    <span style=\"color: #997\">}<\/span><br><br>    <span style=\"color: #d73a49\">\/\/<\/span> \u83b7\u53d6\u53d8\u91cf\u503c\u7684\u51fd\u6570<br>    \u51fd\u6570 getValue<span style=\"color: #997\">(<\/span><span style=\"color: #997\">)<\/span> \u516c\u5171\u89c6\u56fe\u8fd4\u56de <span style=\"color: #997\">(<\/span>uint<span style=\"color: #997\">)<\/span> <span style=\"color: #997\">{<\/span><br>        \u8fd4\u56de\u503c\uff1b<br>    <span style=\"color: #997\">}<\/span><br><span style=\"color: #997\">}<\/span><\/pre>\n<h2>\u5de5\u4f5c\u8bc1\u660e\uff08PoW\uff09\u548c\u80a1\u6743\u8bc1\u660e\uff08PoS\uff09\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n<p>\u5de5\u4f5c\u91cf\u8bc1\u660e (PoW) \u548c\u6743\u76ca\u8bc1\u660e (PoS) \u662f\u4e24\u79cd\u4e0d\u540c\u7684\u5171\u8bc6\u7b97\u6cd5\uff0c\u7528\u4e8e\u5728\u533a\u5757\u94fe\u7f51\u7edc\u4e2d\u8fbe\u6210\u5171\u8bc6\u3002<\/p>\n<p>\u5728 PoW \u7cfb\u7edf\u4e2d\uff0c\u8282\u70b9\uff08\u79f0\u4e3a\u201c\u77ff\u5de5\u201d\uff09\u7ade\u4e89\u89e3\u51b3\u4e00\u4e2a\u590d\u6742\u7684\u6570\u5b66\u95ee\u9898\u3002\u7b2c\u4e00\u4e2a\u89e3\u51b3\u95ee\u9898\u7684\u77ff\u5de5\u53ef\u4ee5\u5728\u533a\u5757\u94fe\u4e0a\u521b\u5efa\u4e0b\u4e00\u4e2a\u533a\u5757\uff0c\u5e76\u83b7\u5f97\u52a0\u5bc6\u8d27\u5e01\u5956\u52b1\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u8d44\u6e90\u5bc6\u96c6\u578b\u7684\uff0c\u9700\u8981\u77ff\u5de5\u6295\u8d44\u4e13\u95e8\u7684\u786c\u4ef6\u5e76\u6d88\u8017\u5927\u91cf\u80fd\u6e90\u3002<\/p>\n<p>\u5728 PoS \u7cfb\u7edf\u4e2d\uff0c\u8282\u70b9\uff08\u79f0\u4e3a\u201c\u9a8c\u8bc1\u5668\u201d\uff09\u6839\u636e\u5b83\u4eec\u5728\u7f51\u7edc\u4e2d\u7684\u80a1\u4efd\uff08\u5373\u5b83\u4eec\u6301\u6709\u7684\u52a0\u5bc6\u8d27\u5e01\u6570\u91cf\uff09\u88ab\u9009\u62e9\u6765\u5728\u533a\u5757\u94fe\u4e0a\u521b\u5efa\u4e0b\u4e00\u4e2a\u533a\u5757\u3002\u8fd9\u610f\u5473\u7740\u4e00\u4e2a\u8282\u70b9\u6301\u6709\u7684\u52a0\u5bc6\u8d27\u5e01\u8d8a\u591a\uff0c\u4ed6\u4eec\u5c31\u8d8a\u6709\u53ef\u80fd\u88ab\u9009\u4e2d\u6765\u521b\u5efa\u4e0b\u4e00\u4e2a\u533a\u5757\u3002PoS \u7cfb\u7edf\u901a\u5e38\u6bd4 PoW \u7cfb\u7edf\u5360\u7528\u8d44\u6e90\u5c11\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u77ff\u5de5\u89e3\u51b3\u590d\u6742\u7684\u6570\u5b66\u95ee\u9898\uff0c\u4e5f\u4e0d\u4f1a\u6d88\u8017\u90a3\u4e48\u591a\u7684\u80fd\u6e90\u3002<\/p>\n<p>PoW \u548c PoS \u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u533a\u522b\uff1a<\/p>\n<p>\u8d44\u6e90\u9700\u6c42\uff1aPoW \u7cfb\u7edf\u662f\u8d44\u6e90\u5bc6\u96c6\u578b\u7684\uff0c\u9700\u8981\u77ff\u5de5\u6295\u8d44\u4e13\u95e8\u7684\u786c\u4ef6\u5e76\u6d88\u8017\u5927\u91cf\u80fd\u6e90\u3002PoS \u7cfb\u7edf\u901a\u5e38\u8d44\u6e90\u5bc6\u96c6\u5ea6\u8f83\u4f4e\u3002<\/p>\n<p>\u5b89\u5168\u6027\uff1aPoW \u7cfb\u7edf\u901a\u5e38\u88ab\u8ba4\u4e3a\u66f4\u5b89\u5168\uff0c\u56e0\u4e3a\u5355\u4e2a\u5b9e\u4f53\u5f88\u96be\u63a7\u5236\u7f51\u7edc\u7684\u5927\u90e8\u5206\u8ba1\u7b97\u80fd\u529b\u3002PoS \u7cfb\u7edf\u53ef\u80fd\u5bb9\u6613\u53d7\u5230\u201c\u65e0\u98ce\u9669\u201d\u653b\u51fb\uff0c\u5728\u8fd9\u79cd\u653b\u51fb\u4e2d\uff0c\u9a8c\u8bc1\u8005\u6ca1\u6709\u4efb\u4f55\u4e0d\u8bda\u5b9e\u884c\u4e3a\u7684\u52a8\u673a\u3002<\/p>\n<p>\u53bb\u4e2d\u5fc3\u5316\uff1aPoW \u7cfb\u7edf\u53ef\u4ee5\u66f4\u52a0\u53bb\u4e2d\u5fc3\u5316\uff0c\u56e0\u4e3a\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u53c2\u4e0e\u6316\u77ff\u8fc7\u7a0b\u3002PoS 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