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Web3 Fundamentals
Test your knowledge on the basics of Web3 and its underlying technologies.
What is the role of miners in a blockchain network?
To develop smart contracts
To create new blocks
To validate transactions
To store data
What is a decentralized application (dApp)?
An application that runs on a single server
A mobile application
An application that runs on a peer-to-peer network
An application that is hosted on a cloud service
What is a token in the context of blockchain?
A method of data storage
A type of smart contract
A digital representation of a unit of value
A physical coin used in transactions
What is the purpose of a cryptocurrency wallet?
To mine new coins
To store and manage cryptocurrencies
To create smart contracts
To facilitate blockchain governance
What is the difference between a public and a private blockchain?
Private blockchains are always more secure than public blockchains.
Public blockchains are open to anyone, while private blockchains are restricted to specific users.
Public blockchains are faster than private blockchains.
Public blockchains do not use consensus mechanisms.
What are smart contracts?
Traditional paper contracts
Contracts written in legal language
Self-executing contracts with the terms directly written into code
Contracts that require a notary
What is a blockchain?
A type of database
A social media platform
A web server
A programming language
What is a consensus mechanism in blockchain?
A type of smart contract
A process to validate transactions
A way to create dApps
A method to secure private keys
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