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What is the difference between Blockchain and a Database?Generally a database is a collection of data which can be stored and organized using a database management system. The people who have access to the database can view or edit the information stored there. The client-server network architecture is used to implement databases. whereas a blockchain is a growing list of records, called blocks, stored in a distributed system. Each block contains a cryptographic hash of the previous block, timestamp and transaction information. Modification of data is not allowed due to the design of the blockchain. The technology allows decentralized control and eliminates risks of data modification by other parties.
韋德寧挑戰「習張是鐵桿盟友」的觀點，描述張又俠為「一個強硬、粗俗的老山羊」，並強調「雖然他曾與習結盟，但他從未真正是習的下屬」。作為1979年和1984年兩次對越作戰的實戰英雄，張又俠可能對僅在軍隊總部做過三年秘書的習近平作為軍隊統帥的敬畏不足。
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