What is cryptography?

Cryptocurrency Basics

Quiz
•
Computers
•
7th Grade - University
•
Medium

David Jonathan Alford
Used 46+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The study/science of maps
The study/science of money
The study/science of scrambling data into code
The study/science of burial chambers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a transaction?
A transfer of currency from one person/organisation to another
When someone mines a new bitcoin
Encrypting data with an organisation's public key
Moving house from one country to another
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not a cryptocurrency?
Rugbycoin
Dogecoin
Ethereum
Bitcoin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a ledger?
A list of financial transactions
A shelf outside a window
An encryption algorithm
When a baseball is hit more than 200 yards
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Bitcoin, what is a block?
A group of transactions to be added to the blockchain
A digital wallet to store your bitcoins
When a country prevents use of bitcoins
When a criminal uses bitcoin to undertake the purchase of illegal goods
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Bitcoin, what is the blockchain?
The ledger of all bitcoin transactions
A list to criminals banned from using bitcoins
A list of countries that do not allow use of bitcoins
An encryption algorithm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a computer mine a bitcoin?
Successfully generate a hash so that the block can be added to the blockchain
Successfully decrypt a block
Steve uses the diamond pickaxe
Successfully determine the origin of a trnasaction
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is mining bitcoin bad for the environment?
It prevents people from using traditional money
The mining equipment uses a lot of electricity, which may come from fossil fuels that harm the ecosystem
It helps criminals to cover their tracks
It leaves large holes in the landscape where the mines have been
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