With reference to "Blockchain Technology" consider

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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?

"???????? ??????????" ?? ?????? ??? ?????????? ????? ?? ????? ????:

(1) ?? ?? ????????? ??? ?? ???? ?? ??? ???????? ?? ???? ??, ????? ???? ??? ?? ?????????? ????????? ???? ???? ???

(2) ???????? ?? ?????? ?? ?????? ??? ?? ?? ????? ??? ???? ???? ?????????????? ?? ???? ??? ????

(3) ???????? ?? ???????? ????????? ?? ?????? ???? ???? ??????????? ?? ???? ???? ?? ?????? ?? ?????? ???? ?? ???? ???

??? ??? ?? ????? ??? ?? ??? ?? ??? ?? / ????

[UPSC CSE PRE 2020]

A 1 only

1 ही

B 1 and 2 only

केवल 1 और 2

C 2 only

२ ही

D 1 and 3 only

केवल 1 और 3

Answer: (d) Explanation: Blockchain can be defined as a distribu...

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