What are the pillars of block chain technology? 1. Transparency 2. Immutability 3. Decentralisation

Asked in TNPSC CS Prelims 2022 · Topic: Future Trends in Information and Communication Technology (Blockchain Technology and Distributed Ledger Technologies (DLT))

1. 1 and 2
2. 1 and 3
3. 2 and 3
4. 1, 2 and 3

More Information and Communication Technology questions

• With reference to “Blockchain Technology”, consider the following statements : 1. It is a public ledger that everyone can inspect, but which no single user controls. 2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. 3. Applications that depend on basic features of blockchain can be developed without anybody’s permission. Which of the statements given above is/are correct ?
• With reference to Non-Fungible Tokens (NFTs), consider the following statements: 1. They enable the digital representation of physical assets. 2. They are unique cryptographic tokens that exist on a blockchain. 3. They can be traded or exchanged at an equivalency and therefore can be used as a medium of commercial transactions. Which of the statements given above are correct ?
• With reference to Web 3.0, consider the following statements : Web 3.0 technology enables people to control their own data. In Web 3.0 world, there can be blockchain based social networks. Web 3.0 is operated by users collectively rather than a corporation. Which of the statements given above are correct ?
• Consider the following statements and select the correct answer from the codes given below : (i) Blockchain is a public digital ledger that is used to record transactions across many computers in a network. (ii) Blockchain technology has eliminated the possibility of tampering of records. Codes : - (ii) - (iii) - (iv)
• Name the crypto currency which is launched by the Facebook.
• Digital currency is the most popular application of :
• Which of the following statement is/are correct NANOBOTS are : (1) Robots that carry out a very specific function at nano scale level (2) They can be injected into blood stream (3) They can be used to measure toxic elements in the environment (4) They are very cheap to produce
• Who among the following gave the term “Nanotechnology” and when ?

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