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