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Crypto

Total questions: 18

Worksheet time: 14mins

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.

_______________ can be any kind of electronic device that maintains copies of the blockchain and keeps the network functioning.

a)

block

b)

nodes

c)

toaken

d)

chains

3.

Bitcoin’s all-time high was ______________ / BTC.

a)

$22,984.30

b)

$19,783.21

c)

16,394.56

d)

$13,098.49

4.

Florida-based programmer Laszlo Hanycez completes the first ever purchase using Bitcoin — two Papa John’s pizzas. Hanycez transferred 10,000 BTC’s, worth about $60 at the time. Today it's worth (approx.) _$______ million

a)

80

b)

20

c)

60

d)

160

5.

Which of the following is popularly used for storing bitcoins?

a)

pocket

b)

wallet

c)

box

d)

stack

6.

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

7.

What does the block in the blockchain consist of?

a)

Transaction data

b)

A Hash point

c)

A Timestamp

d)

all of these

8.

Where is the bitcoin central server located?

a)

none of the below

b)

Washington DC

c)

Tokyo

d)

London

9.

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.

10.

What are the different types of tokens?

a)

Platform

b)

privacy

c)

currency

d)

all of the above

11.

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

12.

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

13.

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

14.

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

15.

Facebook launch a

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

a)

Collabra

b)

Calibra

c)

Kiva

d)

Stripe

16.

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

17.
Bitcoins are created when a computer...
a)
solves an algorithm
b)
sells dollars
c)
adds a node to the crypto
18.

Select different types of Cryptocurrency (Multiple options)

a)

Bitcoin

b)

Litecoin

c)

Ripple

d)

Dash