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What does a ledger in Blockchain does?
  • a)
    Mapping between owner and object
  • b)
    Identification of objects owned
  • c)
    Identification of owners
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
What does a ledger in Blockchain does?a)Mapping between owner and obje...
Blockchain is a decentralized digital ledger that records transactions in a secure and transparent manner. A ledger is an essential component of the Blockchain system, and it serves several functions, including:

Mapping between owner and object:
The ledger serves as a mapping between the owner and the objects they own. In the context of Blockchain, an object can be anything of value that can be represented digitally, such as a cryptocurrency, digital asset, or smart contract. The ledger maintains a record of the ownership of each object, which is stored in a block, and the blocks are linked together in a chain, forming the Blockchain.

Identification of objects owned:
The ledger also enables the identification of objects owned. Each object in the Blockchain has a unique identifier, which is stored in the ledger. This identifier is used to track the ownership of the object and the transactions that have occurred involving the object.

Identification of owners:
The ledger also enables the identification of owners. Each owner in the Blockchain has a unique identifier, which is used to track their ownership of objects and the transactions that they have initiated or received.

Conclusion:
In summary, the ledger in Blockchain serves as a mapping between the owner and object, enables the identification of objects owned, and identification of owners. It is a critical component of the Blockchain system, which ensures the transparency, security, and immutability of transactions.
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What does a ledger in Blockchain does?a)Mapping between owner and obje...
Mapping between owner and object
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Read the given passage and answer the questions that follow.Pluto was first found nearly a century ago in 1930. In 2006, Pluto, scientists told us, should no longer be called a planet, but instead a dwarf planet. Is Pluto a planet or not? In 2006, the International Astronomical Union considered the controversial question, ‘what is a planet?’ Some moons, like Jupiters moon, Ganymede, are larger than the planet Mercury. And some objects, like Eris, have never been known as planets, despite being very nearly as large as Pluto. So, what makes a planet a planet? The IAU came to a decision that would annoy Plutos fans even a decade later. They agreed on updated criteria. To classify as a planet, an object must orbit the sun and not another planet. And it must be massive enough for its gravity to have pulled it into a roughly spherical shape-- no problem for Pluto there. Unfortunately, there is another qualification for planet status. To be a planet, an object must be large enough to have cleared the path of its orbit of other debris orbiting the sun. Unlike the eight planets the IAU now recognizes, Pluto hasnt managed that. Checking every box except one means that Pluto cant be considered a true planet. Instead, its classified as a dwarf planet, along with Eris and other large objects, like Ceres, Haumea, and Makemake. The ranks of the dwarf planets may grow over time, too. Since they are relatively small and usually very distant, scientists believe we havent found all of them yet. But dont feel too bad for Pluto. In 2015, the New Horizons Spacecraft sent us the most detailed pictures and data about Pluto weve received yet. We found that the dwarf planet has geological features we hadnt imagined-- towering mountains, ice ridges, vast, smooth areas of carbon monoxide ice.Which of the following does the writer classify as ‘objects’?

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What does a ledger in Blockchain does?a)Mapping between owner and objectb)Identification of objects ownedc)Identification of ownersd)None of theseCorrect answer is option 'A'. Can you explain this answer?
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