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Blockchain Workshop_2

Total questions: 25

Worksheet time: 7mins

Name
Class
Date
1.

Website is a part of Webpage

a)

True

b)

False

2.

Computer that requests for data

a)

Client

b)

Server

3.

The Gyanith App/Website through which you registered is an example of

a)

Web 3.0

b)

Web 2.0

c)

Web 1.0

4.

Browser which is different from others based on Web Technology

a)

Brave

b)

Microsoft Edge

c)

Mozilla Firefox

d)

Chrome

5.

Blockchain model works on

a)

Centralized, Client - Server

b)

Decentralized, Client - Server

c)

Distributed, Peer-to-Peer

d)

Decentralized, Peer-to-Peer

6.

Blockchain cannot eliminate ______

a)

Centralization

b)

Double spending

c)

51% Attack

7.

Blockchain's Hash is determined by

a)

Merkle Tree's Root Hash

b)

Sum of Transactions' Hash

c)

Transaction's Hash

d)

Nonce + Hash

8.

All the unconfirmed transactions in blockchain goes into database.

a)

False

b)

True

9.

Which of the following is a valid hash to add in a block?

a)

010b564e2acd98f

b)

0000e4562d78402

c)

10f3456ca98765ef

d)

001234edac56ca

10.

The transaction speed is very high for

a)

Proof of work

b)

Proof of history

c)

Proof of stake

11.

The hidden text or data in cryptography is called as

a)

Private text

b)

Crypto text

c)

Cipher text

d)

Hidden text

12.

Meaning of the word 'crypto' in cryptocurrency

a)

Digital Asset

b)

Data

c)

Secret

d)

Money

13.

Assuming a situation where you lost your private key or you lost to access the hardware wallet, what key is used to restore the data?

a)

Hask key

b)

Seed Phrase

c)

Private key

d)

Private key

14.

The WhatsApp which we use everyday, uses this algorithm to encrypt the data

a)

AES 256 and SHA-3 256

b)

AES 256 and SHA 256

c)

SHA 256

d)

MD - 5 andSHA 256

15.

Does your crypto wallet stores/holds your crypto assets?

a)

Yes

b)

No

16.

Privacy - oriented cryptocurrency among the following is

a)

Ethereum

b)

Dogecoin

c)

Monera

d)

Bitcoin

17.

The cryptocurrency debit card that is being used in USA is

a)

Bitpay

b)

Venmo

c)

Paypal

d)

Cash app

18.

This refers to crypto storage that uses online software to protect private keys to our assets

a)

Hash table

b)

Hot storage wallet

c)

Hardware store wallet

d)

Cold storage wallet

19.

EVM (Ethereum Virtual Machine) is used for

a)

Adding security

b)

Securing the transactions

c)

Compiling the smart contracts

d)

Adding new smart contracts

20.

Pragma Solidity refers to

a)

Version of Blockchain used

b)

Version of Compiler

c)

Version of Smart Contract

21.

In gaming, which of the following tokens is used to buy the game assets?

a)

ERC 721

b)

ERC 1135

c)

ERC 20

22.

The BITCOIN, ETHEREUM, POLYGON, SOLANA works on which of the corresponding layers of the blockchain?

a)

Layer 1, Layer 2, Layer 1, Layer 2

b)

Layer 1, Layer 1, Layer 2, Layer 2

c)

Layer 1, Layer 2, Layer 2, Layer 1

d)

Layer 1, Layer 1, Layer 2, Layer 1

23.

The right to vote in DAO goes to

a)

Customers

b)

Hackers

c)

Developers

d)

Token Holders

24.

First Established DAO in 2016 was

a)

Curve DAO

b)

The DAO

c)

Maker DAO

d)

Uniswap

25.

Which of the following application does not use DeFi so far?

a)

Exchanges

b)

Social Media

c)

Insurance

d)

Lending and Borrowing