Question 1

What is Blockchain?

Accepted Answer

A distributed ledger on a peer-to-peer network

Answer

A type of currency

Answer

A ledger

Answer

A wallet

Question 2

Blockchain can perform user transactions ____________.

Accepted Answer

Without involving any third party

Answer

Without involving any owned

Answer

With the help of the third party

Answer

Without involving any authenticated

Question 3

Which of the following is not a type of consensus algorithm?

Accepted Answer

Proof of Miner

Answer

Proof of Importance

Answer

Proof of Work

Answer

Proof of Stake

Question 4

What does P2P stand for?

Accepted Answer

Peer to Peer

Answer

Public Key to Private Key

Answer

Product to Product

Answer

Password to Password

Question 5

Blockchain stores data in the form of?

Accepted Answer

Block

Answer

Circle

Answer

Square

Answer

Line

Question 6

When a record is on a blockchain, who can access it?

Accepted Answer

Multiple people simultaneously.

Answer

One person at one time.

Answer

No people.

Answer

Only the people involved in the transaction.

Question 7

Once records are submitted on a blockchain, can they be altered?

Accepted Answer

No, it cannot be altered.

Answer

Yes, the parties can go back in and alter them at any time.

Answer

Yes, but only within a certain time frame.

Question 8

Which of the following(s) is/are the elements of blockchain?

Accepted Answer

All of them

Answer

Consensus Algorithms

Answer

Reward & Punishment

Answer

Cryptography

Question 9

Blockchain is used in a _____ way?

Accepted Answer

Decentralized

Answer

Both Centralized and Decentralized

Answer

None of them

Answer

Centralized

Question 10

Blockchain is the same as Bitcoin.

Accepted Answer

false

Answer

true

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