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