Worksheets1st Quiz
Total questions: 20
Worksheet time: 10mins
What is a blockchain?
A Currency
A Centralized ledger
Decentralized Ledger
All of the above
What are the benefits of Blockchain?
Security and Speed
Fraud Control And Access levels
No hidden Fees
All of the above
Bitcoin was created by
John McCafe
Satoshi Nakamoto
Elon Musk
Vitalik Buterin
What is the maximum number of Bitcoins that can exist?
21,000,000
2,100,000
21,000
2100
Blockchains store data in the form of
Lines
Circle
Blocks
None of the above
When was Bitcoin first introduced?
2001
2008
2007
2015
Some of the largest, popular Blockchains are
Bitcoin
Ethereum
Hybrid
Both Bitcoin and Ethereum
Who is a miner in Blockchain?
Type of Blockchain
Person doing calculations to verify a transaction
Computer node to solve complex mathematical problems
None of the above
What is a decentralised digital currency?
It is not controlled by a single government or organisation
It is completely free to use
It is distributed equally to everyone
It is accepted everywhere
What is a node in Blockchain?
Chain of Blocks
An Exchange
Type of Cryptocurrency
Computer on a Blockchain
In which year was Blockchain Invented?
2008
1995
2001
2011
What does a Block consists of?
Transaction data
Hash
Prev Hash
All of these
The five elements of blockchain are distribution, encryption, immutability, tokenization and:
Transparency
Authporization
Efficiency
Decentralization
What can an IT leader use enterprise blockchain for?
Streamline supply chains
Improve financial transactions
Provide identity management
All of the above
What are some of the advantages of implementing enterprise blockchain?
Legally binding
Expand business-to-business and business-to-consumer networks
Alter data on Bitcoin
None of the above
Which was the first artist to accept Bitcoin for purchasing his records?
DJ Khaled
Eminem
50 Cent
Snoop Dog
What is the estimated year when the last Bitcoin is mined?
2140
2040
2120
2240
What is a Bitcoin halving?
An event that reduces Bitcoin price
An event that reduces rewards for mining Bitcoin
A event that divides Bitcoin into the two different coins
An event that rises Bitcoin price
Which country is currently the biggest Bitcoin miner in the world?
The United States
China
India
El Salvador
Which cryptocurrency term refers to entities or individuals that hold large amounts of Crypto?
A whale
A hodler
A bull
A shark
