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Crypto Exchange

Total questions: 27

Worksheet time: 27mins

Name
Class
Date
1.

What is a continuously growing list of records which are linked and secured using cryptography?

a)

a chain

b)

a block

c)

a blockchain

d)

a cryptocurrency

2.

Which of the following is popularly used for storing bitcoins?

a)

pocket

b)

wallet

c)

box

d)

stack

3.

What is the name of the famous Bitcoin exchange from Japan that collapsed in 2014?

a)

Blockchain.info

b)

Tradehill

c)

Mt.Gox

d)

Bitstamp

4.

What does the block in the blockchain consist of?

a)

Transaction data

b)

A Hash point

c)

A Timestamp

d)

all of these

5.

All blocks contain a link to the previous block, except for:

a)

Block number 24601.

b)

First block

c)

thethird block

d)

The second block.

6.

What are the different types of tokens?

a)

Platform

b)

privacy

c)

currency

d)

all of the above

7.

How many Bitcoins will

there ever be?

a)

21 million in 2140

b)

21 million in 2020

c)

14 million 2015

d)

23 million in 2140

8.

What is the name of document that contains

design for introducing features for Bitcoin?

a)

Bitcoin International Protocol standard

b)

A Bitcoin Initial Protocol Setting

c)

The Bitcoin Image

Piece

d)

A Bitcoin Improvement Proposal

9.

What is a Coinbase or

Generation Transaction?

a)

The reward miners get for solving a block

b)

The largest transaction

in a block

c)

The average time for

each Bitcoin transaction to be sent

d)

The last transaction to

be included in a block

10.

What is a Bitcoin Fork?

a)

A kitchen utensil made

of Bitcoin

b)

A Temporary Blockchain Lack of Consensus

c)

The Next Block in the

Blockchain

d)

The Largest Transaction

in the Block

11.

Facebook launch a

dedicated wallet app called ---------- to support Libra transactions.

a)

Collabra

b)

Calibra

c)

Kiva

d)

Stripe

12.

How does one acquire

bitcoins?

a)

As payment for goods or

services.

b)

Purchase bitcoins at a

Bitcoin exchange.

c)

Exchange bitcoins with

someone near you.

d)

Earn bitcoins through

competitive bitcoin mining.

e)

all of the above

13.
Bitcoins are created when a computer...
a)
solves an algorithm
b)
sells dollars
c)
adds a node to the crypto
14.

Select different types of Cryptocurrency (Multiple options)

a)

Bitcoin

b)

Litecoin

c)

Ripple

d)

Dash

15.

Ceasar cipher

a)

a technique for encryption that shifts the alphabet by some number of characters.

b)

the generic term for a technique or algorithm that performs encryption.

c)

an encryption technique that maps each letter of the alphabet to a randomly chosen other letter.

d)

a encryption technique in which the key used to encrypt data is different from the key used to decrypt.

e)

an encryption technique in which the key used to encrypt data is also used to decrypt.

16.

asymmetric encryption

a)

a technique for encryption that shifts the alphabet by some number of characters.

b)

the generic term for a technique or algorithm that performs encryption.

c)

an encryption technique that maps each letter of the alphabet to a randomly chosen other letter.

d)

a encryption technique in which the key used to encrypt data is different from the key used to decrypt.

e)

an encryption technique in which the key used to encrypt data is also used to decrypt.

17.

decryption

a)

the process of decoding a secret message without knowing all the specifics of the cipher.

b)

the process of reversing encryption, taking a secret message and reproducing the original plain text.

c)

the process of encoding messages to keep them secret.

d)

a mathematical operation that returns the remainder after integer division.

e)

a problem that a computer cannot solve in a reasonable amount of time.

18.

encryption

a)

the process of decoding a secret message without knowing all the specifics of the cipher.

b)

the process of reversing encryption, taking a secret message and reproducing the original plain text.

c)

the process of encoding messages to keep them secret.

d)

a mathematical operation that returns the remainder after integer division.

e)

a problem that a computer cannot solve in a reasonable amount of time.

19.

private key

a)

a decryption key that is never shared, used in asymmetric encryption techniques.

b)

a decryption key which is made public, used in asymmetric encryption techniques.

20.

public key

a)

a decryption key that is never shared, used in asymmetric encryption techniques.

b)

a decryption key which is made public, used in asymmetric encryption techniques.

21.

In regard to Bitcoin, what is "mining"?

a)

The act of buying BTC for personal use

b)

Searching for BTC

c)

The act of adding new blocks to the blockchain

22.

What is the name of the presumed pseudonymous person or persons who developed bitcoin

a)

Taishō Tennō

b)

Satoshi Tajiri

c)

Satoshi Nakamoto

23.

What are Mining pools?

a)

A pool of blockchains

b)

When miners group together to share resources

c)

The place where miners search for BTC

24.

In what year was Bitcoin created?

a)

2007

b)

2009

c)

2010

d)

2013

25.

Cryptocurrencies can also be referred to as?

a)

Coded money

b)

Credit card

c)

Virtual currencies

d)

Cash policy

26.

Which of the following is a use of cryptocurrency?

a)

Management

b)

Blocking

c)

Transfer of assets

d)

Coding

27.

What is a block reward?

a)

A sum of all transaction fees for transactions included into the block, collected by the miners

b)

Newly generated bitcoins that go to the miner who mined the block

c)

A sum of all transaction fees in a block plus newly generated bitcoins that go to the miner who mined the block

d)

None of the above