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Apps like Uniswap, Aave, and DAOs depend on __________ to automate their operations and enforce rules without middlemen.
A. Smart contracts
B. Servers
C. Central banks
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Apps like Uniswap, Aave, and DAOs depend on __________ to automate their operations and enforce rules without middlemen.
A. Smart contracts
B. Servers
C. Central banks
Drop your answers below! 👇
Take the full lesson & quiz!
👉 fluentdev.vercel.app/courses/web3...
Smart contracts use a small fee called __________ to pay for actions on the blockchain and prevent overloading the network.
A. Tokens
B. Gas
C. Interest
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Smart contracts use a small fee called __________ to pay for actions on the blockchain and prevent overloading the network.
A. Tokens
B. Gas
C. Interest
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Once deployed, most smart contracts cannot be changed or deleted. This property is called __________.
A. Immutability
B. Transparency
C. Flexibility
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Once deployed, most smart contracts cannot be changed or deleted. This property is called __________.
A. Immutability
B. Transparency
C. Flexibility
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Smart contracts are called “trustless” because they don’t rely on people or banks. The __________ makes sure the rules are followed.
A. Government
B. Code
C. Lawyer
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Smart contracts are called “trustless” because they don’t rely on people or banks. The __________ makes sure the rules are followed.
A. Government
B. Code
C. Lawyer
Drop your answers below! 👇
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👉 fluentdev.vercel.app/courses/web3...
A smart contract is a computer program that runs on a __________ and automatically carries out agreements when rules are met.
A. Database
B. Blockchain
C. Website
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A smart contract is a computer program that runs on a __________ and automatically carries out agreements when rules are met.
A. Database
B. Blockchain
C. Website
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Proof of Authority uses a small group of trusted validators, chosen based on their __________.
A. Identity
B. Tokens
C. Hash power
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Proof of Authority uses a small group of trusted validators, chosen based on their __________.
A. Identity
B. Tokens
C. Hash power
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Solana’s Proof of History works like a clock that timestamps transactions to keep them in the right __________.
A. Price
B. Order
C. Block size
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Solana’s Proof of History works like a clock that timestamps transactions to keep them in the right __________.
A. Price
B. Order
C. Block size
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In Ethereum’s Proof of Stake system, the valid chain is the one with the most __________ supporting it.
A. Work
B. Stake
C. Transactions
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In Ethereum’s Proof of Stake system, the valid chain is the one with the most __________ supporting it.
A. Work
B. Stake
C. Transactions
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Bitcoin’s network follows the __________ chain rule to decide which version of the blockchain is valid.
A. Longest
B. Shortest
C. Heaviest
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Bitcoin’s network follows the __________ chain rule to decide which version of the blockchain is valid.
A. Longest
B. Shortest
C. Heaviest
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A blockchain consensus algorithm has two essential parts: a __________ mechanism and a chain selection rule.
A. Proof-of-Stake
B. Sybil resistance
C. Finality
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fluentdev.vercel.app/courses/web3...
A blockchain consensus algorithm has two essential parts: a __________ mechanism and a chain selection rule.
A. Proof-of-Stake
B. Sybil resistance
C. Finality
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In a __________ blockchain, trust is placed in the protocol itself rather than in a central organization.
A. Public
B. Consortium
C. Private
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In a __________ blockchain, trust is placed in the protocol itself rather than in a central organization.
A. Public
B. Consortium
C. Private
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A __________ blockchain combines features of both public and private systems to offer transparency and controlled access.
A. Consortium
B. Hybrid
C. Private
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fluentdev.vercel.app/courses/web3...
A __________ blockchain combines features of both public and private systems to offer transparency and controlled access.
A. Consortium
B. Hybrid
C. Private
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fluentdev.vercel.app/courses/web3...
A __________ blockchain is managed by a group of trusted organizations, balancing control and collaboration.
A. Consortium
B. Private
C. Public
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fluentdev.vercel.app/courses/web3...
A __________ blockchain is managed by a group of trusted organizations, balancing control and collaboration.
A. Consortium
B. Private
C. Public
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A __________ blockchain is controlled by a single organization and gives access only to invited participants.
A. Public
B. Private
C. Hybrid
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fluentdev.vercel.app/courses/web3...
A __________ blockchain is controlled by a single organization and gives access only to invited participants.
A. Public
B. Private
C. Hybrid
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A __________ blockchain is permissionless, allowing anyone to join, validate transactions, and view the ledger.
A. Private
B. Consortium
C. Public
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A __________ blockchain is permissionless, allowing anyone to join, validate transactions, and view the ledger.
A. Private
B. Consortium
C. Public
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The 'blockchain trilemma' refers to ... .
A. The choice between three different cryptocurrencies
B. The decision of whether to invest, mine, or trade
C. The balance between security, scalability, and decentralization
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The 'blockchain trilemma' refers to ... .
A. The choice between three different cryptocurrencies
B. The decision of whether to invest, mine, or trade
C. The balance between security, scalability, and decentralization
Drop answer in the comments! 👇
What is 'consensus' in blockchain terminology?
A. A voting system for electing blockchain leaders
B. The process by which all participants agree on what's valid
C. The speed at which transactions are processed
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What is 'consensus' in blockchain terminology?
A. A voting system for electing blockchain leaders
B. The process by which all participants agree on what's valid
C. The speed at which transactions are processed
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Each block in a blockchain contains a unique _____ _____ of the previous block, making changes and tampering easily detectable.
A. digital signature
B. timestamp record
C. cryptographic hash
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Each block in a blockchain contains a unique _____ _____ of the previous block, making changes and tampering easily detectable.
A. digital signature
B. timestamp record
C. cryptographic hash
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I should let my girlfriend/boyfriend keep my private key, so I won't lose it.
A. Yes, this is good practice.
B. No, they are forgetful.
C. WTF! You should never do this!
Drop your answer in the comments below! 👇
I should let my girlfriend/boyfriend keep my private key, so I won't lose it.
A. Yes, this is good practice.
B. No, they are forgetful.
C. WTF! You should never do this!
Drop your answer in the comments below! 👇
What are the three fundamental characteristics of a blockchain?
A. Speed, cost-effectiveness, and privacy
B. Immutability, transparency, and decentralization
C. Security, simplicity, and scalability
Drop your answer in the comments below! 👇
What are the three fundamental characteristics of a blockchain?
A. Speed, cost-effectiveness, and privacy
B. Immutability, transparency, and decentralization
C. Security, simplicity, and scalability
Drop your answer in the comments below! 👇
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