区块链技术实现了以下哪些特性？（）

A.不可复制

A. Non-repetition

B.去中心化

B. Decentralization

C.不可篡改

C. Non-changeable

D.公开透明

D. Transparency

A.去中心化

A. Decentralization

B.高度透明

B. High transparency

C.集体维护

C. Collective maintenance

D.不可篡改

D. Non-frozen

E.安全可信

E. Security credible

A.去中心化

A. Decentralization

B.高度透明

B. High transparency

C.集体维护

C. Collective maintenance

D.不可篡改

D. Non-frozen

E.安全可信

E. Security credible

A.数据具有防篡改、可追溯的特性

A. Data with tamper-proof, retroactive characteristics

B.降低企业贴现成本

B. Reducing enterprise discount costs

C.实现资产标准化

C. Standardizing assets

D.每张汇票只是区块链上的一条记录

Each bill of exchange is a record on the block chain.

A.分布式，不依赖某个中心机构或第三方

A. Distribution, not dependent on a central institution or a third party

B.可共享，通过共识算法，共享同一份可信数据账本

B. Shareable, shared and credible records of the same data through consensus algorithms

C.隐私性，通过加密技术和匿名性保护用户隐私

C. Privacy, protection of user privacy through encryption techniques and anonymity

D.防篡改，通过加密算法以及数据的全网传输和同步，保障数据的真实可验证

D. Counterfeiting changes to guarantee the authenticity of data through encryption algorithms and full web-based transmission and synchronization of data

A.去中心化

A. Decentralization

B.不可篡改

B. Non-frozen

C.工识验证

C. Certification of work knowledge

D.匿名性

D. Anonymousity

A.去中心化

A. Decentralization

B.信息不可篡改

B. Information cannot be tampered with

C.升值快

C. Rapid appreciation

D.可追溯

D. Retroactivity

此题为判断题(对，错)。

>, entitled Judgement (right, wrong).

A.是一种去中心化基础架构与分布式计算范式，算法相对安全，但未来有可能被破解

A. A decentralised basic architecture and distributed computing paradigm with a relatively secure algorithm, but with the potential to be broken in the future

B.数据以块链结构存储，受到互联网多方用户监督，任何第三方机构都无法进行修改

B. Data stored in a chain structure, monitored by multiple users of the Internet, and could not be modified by any third-party institution

C.为支撑共享经济，在网上建立起了点对点之间的可靠信任关系，去除了中介的干扰

C. To support the shared economy, a reliable trust relationship between points has been established online, excluding interference by intermediaries

D.既公开信息又保护隐私，既共同决策又保护个体权益，是实现共享经济的理想方案

D. Public information and protection of privacy, joint decision-making and individual rights are ideal options for achieving a shared economy

A.去中心

A. To the centre

B.不可篡改

B. Non-frozen

C.可追溯

C. Retroactivity

D.自动执行

D. Automatic implementation