WorksheetsBlockchain Knowledge Quiz 2
Total questions: 20
Worksheet time: 10mins
Why is transparency important in blockchain?
So data loads faster
So anyone can verify transactions
So blocks are larger
So passwords are hidden
How does blockchain redefine ownership?
By storing user names
By proving ownership via ledgers
By linking to Facebook
By printing QR codes
What industries drive demand for blockchain developers?
Food and retail
Gaming and education
Finance, healthcare, logistics
Tourism and art
How has DeFi affected blockchain adoption?
It decreased demand
It added new fees
It increased transparency
It simplified transactions
What do NFTs allow users to do?
Create music
Prove ownership of digital assets
Mine ETH
Earn interest
How does blockchain connect to old systems?
With USB drives
Through APIs and middleware
Using dial-up modems
Through SMS
Who created Bitcoin?
Vitalik Buterin
Elon Musk
Satoshi Nakamoto
Bill Gates
When was blockchain introduced?
1999
2005
2008
2012
What digital transaction problem does blockchain solve?
Battery usage
Double-spending and trust
Bandwidth overload
Token inflation
What is the projected blockchain market size by 2027?
$30 billion
$85 billion
$163 billion
$500 billion
What is the estimated blockchain CAGR (2022–2027)?
12%
35%
67.3%
100%
Why are blockchain jobs growing?
High demand for VPNs
Demand for decentralized solutions
Increased Bitcoin mining
More mobile apps
Why do companies want smart contract developers?
To write blogs
To automate and secure operations
To manage spreadsheets
To monitor gas usage
What is the forecasted smart contract market size by 2028?
$1B
$10B
$50B
Over $137B
What is the relationship between smart contracts and decentralized apps (dApps)?
Smart contracts replace dApps entirely.
Smart contracts are the code that powers decentralized apps.
dApps control the execution of smart contracts.
Smart contracts are unrelated to dApps.
Which industries use smart contracts the most?
Agriculture, education, and manufacturing.
Finance, real estate, and insurance.
Entertainment, retail, and transportation.
Media, hospitality, and energy.
What is the role of gas fees in executing smart contracts?
Gas fees pay for the computing power to execute contracts.
Gas fees reduce the speed of contract execution.
Gas fees are optional donations to developers.
Gas fees ensure anonymity in transactions.
How do EVM-compatible chains expand blockchain functionality?
By limiting apps to one blockchain network.
By allowing apps and smart contracts to run across different networks.
By increasing transaction fees significantly.
By restricting access to only Ethereum developers.
How do EVM-compatible chains improve user access?
They require specialized hardware to participate.
They increase flexibility and user access by supporting multiple blockchains.
They limit user access to a single blockchain.
They reduce the number of available applications.
What is one benefit of supporting multiple blockchains?
They increase the complexity of blockchain networks.
They increase flexibility and user access by supporting multiple blockchains.
They prevent interoperability between blockchains.
They decrease the speed of blockchain networks.
