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BLOCKCHAIN

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Who adds a block to the chain?

a)

miner

b)

Node

c)

Block Validator

d)

None

2.

_______is the process of solving complex mathematical equation?

a)

Hash Matching

b)

Genesis

c)

Proof of work

d)

Proof of stake

3.

Bitcoin and Blockchain mean the same thing

a)

True

b)

False

c)

Maybe

d)

I don't know

4.

Immutable data means?

a)

Data can be easily modified.

b)

Data is Vulnerable.

c)

Data is difficult is to change

d)

Data can be erased.

5.

A block also contains hash of the________.

a)

block before it.

b)

block after it.

c)

block above it.

d)

block below it.

6.

Which among these is a principle of Blockchain?

a)

Hash system

b)

Nodes

c)

Decentralization

d)

Proof of Stake/Work

7.

Artists get paid what they actually deserve.

a)

True

b)

False

c)

They just want exposure

d)

I don't know/Maybe.

8.

Is data in Blockchain classified?

a)

Yes

b)

No

c)

What is classified?

d)

Top secret

9.

The only efficient use of Blockchain is cryptocurrency.Do you agree?

a)

MAYBE IN CAPS

b)

No

c)

yes

d)

I don't know

10.

What is Node in Blockchain?

a)

Part of a plant.

b)

System connected to the Blockchain network.

c)

Element of a chain.

d)

Building blocks of block.

11.

If E-mail is to internet,Bitcoin is to ?

a)

Money

b)

Cryptocurrency

c)

Hash

d)

Blockchain

12.

What does P2P stand for?

a)

Peer to Peer

b)

Private key to Public key

c)

Pineapple to Pizza

d)

Password to Profile

13.

What incentive do miners get for solving equations?

a)

Praise

b)

Access to classified information.

c)

Get computer parts in discount

d)

Rewards usually in terms of crpytocurrency.

14.

Which among the following principle makes it difficult to data to get changed?

a)

Decentralization

b)

Transparency

c)

Immutability

d)

I don't know what am i doing here.

15.

Do you know your classmates after more than 1 year?

a)

Yes

b)

No

c)

Just Faces

d)

I know everyone.