With reference to “Blockchain Technology”, consider the following statements: (2020)
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?
A blockchain is a form of public ledger, which is a series (or chain) of blocks on which transaction details are recorded and stored on a public database after suitable authentication and verification by the designated network participants. A public ledger can be viewed but cannot be controlled by any single user. The blockchain is not only about the cryptocurrency but it turns out that blockchain is actually a pretty reliable way of storing data about other types of transactions, as well.
A square whose diagonal is 12 √2 cm is made base of the pyramid. if height of the pyramid is 18cm, then what is the total surface area of the pyramid....
The perimeter of 4 squares is 16 cm, 32 cm, 36 cm and 44 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
The lateral surface area of a cube is 400 cm2. The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 12 ...
A rectangular piece of copper foil of length 56 cm and area 616 cm2 is folded along its width to form a cylinder such that there is only one ...
The ratio of the breadth to the length of a rectangular field is 3:4. The total cost of cutting the grass of the field at the rate of Rs 12 per m2<...
If each interior angle of a regular polygon is 135 degrees, then number of side of this polygon is
The height of a right circular cylinder is 12m and also three times the sum of the areas of its two end faces is equal to twice the area of its curved s...
An item costs ₹400. During a festival sale, a company offers a sale discount that offers x% off on its regular price along with a discount coupon of 1...
The average price of 80 mobile phones is Rs. 30,000. If the highest and lowest price mobile phones are sold out then the average price of remaining 78 m...
