“区块链”本身具备的优势有（    ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69408' and id < 4493881 and id<>'4493881' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69408' and id > 4493881 and id<>'4493881' order by id asc limit 5