[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftjHxF6vj14MjcIkYk8iCLFaFGbacOyT1Yg3K7GqzIBc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-06-18 20:17:15",70127273,[8,9,10,11],"计算和获取虚拟币的过程","探索宇宙","挖煤矿","挖金矿",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},55,"fee2aadf68171db36b02b4f1650e2f8f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd761cc928ccca82a5c885864294007f8.jpg","信息技术导论","work_27494088","第十章作业","区块链挖矿是( )",[21,26,35,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],70127274,[30,31,32,33],"货币主要用于流通买卖","货币的形态经历了很多阶段","货币就是指我们所用的纸币","纸币能提供匿名性,但还是有缺陷的","下列关于货币描述错误的是( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],70127275,[39,40,41,42],"判别货币真伪","双方货币的交易","避免双重支付","以上都是","我们所需要的数字货币为了解决哪些( )难题",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],70127276,[48,49,50,51],"互联网","分布式的点对点","有中央服务器","多对多","比特币是一个( )网络系统",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],70127277,[57,58,59,60],"比特币可匿名交易","比特币是中立的、公正的、无国界的","比特币数量不是无限制","有人可以篡改比特币的交易记录","关于比特币,下列描述错误的是( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],70127278,[66,67,68,69],"PoW","PoS","DPoS","DAG","比特币采用( )共识机制",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],70127279,[75,76,77,78],"可自由交易","明令禁止","通过第三方机构比如火币网进行交易","私底下可以交易","目前在我国比特币交易是 ( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],70127280,[84,85,86,87],"中本聪","平台","国家","矿工","比特币转账的手续费是奖励给( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":24,"type":25},[],70127281,[93,94,95,96],"不可篡改","去中心化","可访问控制","透明","区块链在数据共享方面的特点,以下描述不正确的是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":24,"type":25},[],70127282,[102,103,104,105],"5G","区块链","云计算","大数据","以下不属于新一代信息技术的是( )"]