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WorksheetsExam Prep – All Unique Questions (Cover Page)
Total questions: 146
Worksheet time: 1hrs 13mins
What are the two main components of a block?
Key and Nonce.
Hash and Signature.
Node and Validator.
Header and Body.
What does the 'block height' represent in a block header?
The timestamp of the block creation.
The sequential number assigned to a block.
The size of the block.
The hash of the block.
Which component in the block header represents the hash of the preceding block?
Timestamp.
Previous Block's Hash.
Nonce.
MerkleRoot Hash.
What is the purpose of the 'Nonce' in a block header?
To link the block to the next block.
To encrypt the block data.
To solve cryptographic puzzles in mining.
To store transaction data.
What does the 'MerkleRoot Hash' represent in a block header?
The hash summarizing all transactions in the block.
The timestamp of the block.
The identifier of the block height.
The hash of the previous block.
Where is transactional data stored in a block?
In the block header.
In the Nonce.
In the block body.
In the MerkleRoot Hash.
What occupies the majority of a block's space?
The MerkleRoot Hash.
The block body containing transactional data.
The block header metadata.
The Previous Block’s Hash.
What is the role of the timestamp in a block header?
It represents the size of the block.
It links the block to the next block.
It stores transaction IDs.
It indicates when the block was added to the blockchain.
What is NOT a component of the block header?
Transaction data.
MerkleRoot Hash.
Block height.
Nonce.
Why is the block header important in a blockchain?
It links blocks directly to user wallets.
It stores the majority of the block's transaction data.
It contains metadata required for the block's functionality and security.
It manages cryptographic keys.
What is the primary purpose of cryptography in blockchain?
To ensure data privacy, integrity, and authenticity.
To replace traditional databases.
To speed up data transactions.
To make data publicly accessible.
Which key is used for encryption in asymmetric encryption?
Session key.
Public key.
Shared key.
Private key.
What ensures data integrity and immutability in blockchain?
Encryption.
Hashing.
Digital signatures.
Key management.
What is the key difference between symmetric and asymmetric encryption?
Symmetric encryption uses one key, while asymmetric encryption uses two keys.
Asymmetric encryption uses the same key for encryption and decryption.
Symmetric encryption uses a public key for decryption.
Symmetric encryption requires more computational power.
What property of a hash function prevents reversing the hash to find the input?
Encryption.
Pre-image Resistance.
Consistency.
Avalanche Effect.
What is the purpose of digital signatures in blockchain?
To replace cryptographic hashing.
To encrypt data for faster processing.
To authenticate transactions and prevent tampering.
To provide public access to private keys.
Which of the following is a characteristic of asymmetric encryption?
Requires hashing algorithms to function.
Encrypts data only for temporary storage.
Uses the same key for encryption and decryption.
Requires two keys: public and private.
What is a common cryptographic hash function used in blockchain?
SQL.
SSL.
RSA.
SHA-256.
What does the avalanche effect in cryptographic hash functions refer to?
The hash remains unchanged for similar inputs.
A small change in input causes a significant change in the hash.
The hash value is encrypted with a public key.
It is reversible to find the original input.
What factor is important when choosing between symmetric and asymmetric encryption?
The number of transactions in the network.
Key management and computational efficiency.
The type of hashing algorithm used.
The speed of data processing.
What is a Merkle tree?
A central ledger for validating data.
A mechanism to store private keys.
A list of transaction IDs in a blockchain.
A data structure that summarizes all transactions in a block using cryptographic hashes.
Why are Merkle trees important in blockchain?
They enable efficient and secure content verification.
They serve as a central repository for keys.
They increase the size of stored data.
They encrypt user credentials.
What are the leaf nodes of a Merkle tree?
Public keys.
Hashes of data blocks.
Transaction IDs.
User credentials.
What does the root node in a Merkle tree represent?
A public key for transaction validation.
A unique identifier for each block.
The hash summarizing all transactions in a block.
The address of a blockchain node.
Which of the following is NOT an advantage of Merkle trees?
Enable efficient data verification.
Increase the need for storage space.
Reduce network bandwidth requirements.
Validate data integrity.
What is a blockchain workflow?
A tool for encrypting transaction data.
A list of user credentials.
A database query system.
A systematic execution of tasks using blockchain technology.
How do blockchain workflows ensure transparency?
By recording and verifying transactions within a decentralized network.
By encrypting user credentials.
By requiring intermediaries for validation.
By increasing computational complexity.
What is one application of blockchain workflows in healthcare?
Replacing doctors with AI systems.
Encrypting passwords for secure access.
Securely storing and sharing patient records.
Standardizing medical procedures.
What does the MedicalChain application do?
Manages health insurance claims.
Automates medical diagnosis.
Ensures secure storage and use of electronic medical records.
Develops wearable health devices.
What is a key benefit of blockchain workflows in supply chain management?
Enhances transparency and traceability.
Improves website performance.
Reduces the need for physical warehouses.
Encrypts user credentials.
What is the primary purpose of consensus algorithms in blockchain?
To achieve agreement among network participants on the state of the ledger.
To replace cryptographic hashing.
To encrypt user credentials.
To increase transaction fees.
Which consensus algorithm requires solving complex mathematical puzzles?
Proof of Work (PoW).
Proof of Stake (PoS).
Proof of Capacity (PoC).
Proof of Burn (PoB).
What is a key characteristic of Proof of Stake (PoS)?
Validators solve complex puzzles.
Validators use hard drive space for mining.
Validators lock up coins as stakes.
Validators burn coins to gain privileges.
How does Delegated Proof of Stake (DPoS) differ from PoS?
It uses complex mathematical puzzles for validation.
It allows users to delegate votes to other validators.
It requires burning coins to validate transactions.
It eliminates the need for validators.
What does Proof of Burn (PoB) involve?
Burning coins by sending them to an unrecoverable address.
Using computational power to solve puzzles.
Locking coins as stakes.
Delegating votes to other validators.
What is the primary advantage of Proof of Capacity (PoC)?
It relies on burning coins for validation.
It requires high gas fees.
It uses hard drive space instead of computational power.
It eliminates transaction fees.
Which consensus algorithm is widely used in permissioned blockchains?
Proof of Burn (PoB).
Proof of Work (PoW).
Proof of Stake (PoS).
Proof of Elapsed Time (PoET).
What role do validators play in the BNB Chain?
Centralizing data for efficient processing.
Burning coins to earn mining privileges.
Encrypting user data for secure storage.
Validating transactions and producing new blocks.
What is 'gas' in the context of the BNB Chain?
A type of cryptocurrency.
A unit that measures computational effort required for transactions.
A hashing algorithm.
A tool for encrypting transaction data.
How are transaction fees calculated on the BNB Chain?
By multiplying gas price with gas used.
By adding gas price to gas limit.
By subtracting gas price from gas used.
By dividing gas used by transaction time.
What is a key feature of Distributed Ledger Technologies (DLTs)?
Exclusive reliance on blockchain.
Centralized data management.
Encrypted but mutable data.
Decentralized storage of data.
What distinguishes hashgraphs from traditional blockchains?
Use of a directed acyclic graph (DAG) structure.
High transaction fees.
Linear chain of blocks.
Dependence on miners for transaction validation.
What is a tangle in DLT?
A DAG-based structure for validating IoT transactions.
A type of cryptographic hash.
A centralized database.
A blockchain mining protocol.
How do DLTs differ from traditional databases in terms of security?
Traditional databases are inherently more secure.
DLTs rely on central authorities for security.
DLTs provide stronger security through cryptographic techniques.
Traditional databases cannot be encrypted.
What is a key advantage of tangles?
Centralized validation.
No transaction fees.
Low scalability.
Dependence on miners.
What does the gossip protocol in hashgraphs achieve?
Reduction of transaction speed.
Rapid dissemination of transaction data.
Encryption of transaction IDs.
Centralized approval of blocks.
What does DLT immutability mean?
Once data is stored, it cannot be changed.
Data can be modified with administrator approval.
Data can only be stored in encrypted form.
Data must be deleted after processing.
What is a primary application of tangles in IoT?
Eliminating cryptographic techniques.
Replacing blockchain miners.
Centralized transaction storage.
High-throughput transaction validation.
What is a key challenge of DLT scalability?
High data redundancy.
Centralized control requirements.
Consensus mechanisms can slow down networks.
Limited cryptographic support.
What distinguishes DLTs from traditional databases in terms of transparency?
DLTs are more prone to central attacks.
DLTs allow all participants to access the same data.
Traditional databases offer complete public access.
Traditional databases require no central authority.
What is cryptocurrency?
A software system for storing fiat money.
A type of database for financial records.
A government-issued physical currency.
A decentralized digital or virtual currency secured by cryptography.
What is the primary role of blockchain in cryptocurrency?
To replace public and private keys.
To act as a central authority for regulation.
To record and verify transactions in a secure and decentralized manner.
To provide interest rates for cryptocurrencies.
How are new units of cryptocurrency created?
By issuing them through central banks.
Through a process called mining.
By encrypting fiat currencies.
Through peer-to-peer lending.
Which of the following is NOT a feature of cryptocurrencies?
Decentralized operation without a central authority.
Use of cryptographic techniques for security.
Centralized regulation by governments.
Storage in digital wallets.
What gives cryptocurrencies their value?
Intrinsic value derived from physical assets.
Guaranteed interest rates by central banks.
Government regulations and policies.
Supply and demand dynamics.
What are stablecoins designed to do?
Enable anonymous transactions.
Maintain a constant value, typically pegged to a fiat currency.
Replace physical assets with digital ones.
Facilitate smart contract executions.
What are altcoins?
Non-fungible tokens (NFTs).
Stablecoins pegged to fiat currencies.
Tokens used exclusively for DeFi projects.
Cryptocurrencies other than Bitcoin.
What are utility tokens?
Tokens that are pegged to the US dollar.
Tokens used for trading only within DeFi projects.
Tokens that provide access to specific features or functions within a blockchain ecosystem.
Tokens that guarantee voting rights in elections.
What is a security token?
A type of token that stabilizes cryptocurrency prices.
A digital representation of ownership of an asset or portion of an asset.
A cryptocurrency used to secure blockchain networks.
A coin pegged to real-world commodities.
What makes non-fungible tokens (NFTs) unique?
They have a fixed value pegged to fiat currencies.
They are one-of-a-kind digital assets stored on the blockchain.
They are interchangeable with other cryptocurrencies.
They replace traditional encryption methods.
What is a smart contract?
A self-executing contract with predefined terms written in code.
A transaction verification algorithm.
A digital wallet for storing cryptocurrencies.
A blockchain-based ledger for physical assets.
Who introduced the concept of smart contracts?
Gavin Wood.
Nick Szabo.
Satoshi Nakamoto.
Vitalik Buterin.
What is the main function of a smart contract?
To mine cryptocurrencies.
To encrypt blockchain nodes.
To validate physical asset transfers.
To automate execution of agreements without intermediaries.
Which of the following is NOT a benefit of smart contracts?
Transparency and trust without intermediaries.
High security due to encryption and distributed ledger.
Immediate execution once conditions are met.
They require manual document processing.
What blockchain feature ensures smart contracts cannot be altered?
Time-lock features.
Consensus mechanisms.
Centralized ledger.
Immutability.
What is the main limitation of Bitcoin smart contracts?
It does not support public key infrastructure.
It relies on centralized verification.
Its scripting language is not Turing-complete.
It cannot handle cryptographic transactions.
What consensus mechanism powers Ethereum smart contracts?
Proof of Elapsed Time (PoET).
Proof of Stake (PoS).
Proof of Work (PoW).
Proof of Authority (PoA).
What programming language is primarily used for Ethereum smart contracts?
Python.
Haskell.
JavaScript.
Solidity.
What feature of the Ethereum Virtual Machine (EVM) ensures security?
Interoperability with Bitcoin.
Linear transaction processing.
Centralized execution environment.
Isolation and sandboxing.
Which blockchain supports Plutus smart contracts?
Cardano.
Binance Smart Chain.
Algorand.
Ethereum.
What is Solidity primarily used for?
To write smart contracts on the Ethereum blockchain.
To mine cryptocurrencies.
To perform data encryption.
To design user interfaces for blockchain platforms.
Which of the following is NOT a data type in Solidity?
Integer (int).
Boolean (bit).
Address.
String.
What is the primary function of the Application Binary Interface (ABI) in Solidity?
To interact with contracts from off-chain applications.
To log blockchain events.
To specify the compiler version.
To store blockchain variables.
What does a 'state variable' in Solidity represent?
A variable declared inside functions.
A variable that provides information about the blockchain.
A temporary variable used during contract execution.
A variable stored persistently on the blockchain.
What is the key difference between 'storage' and 'memory' in Solidity?
Storage is temporary, while memory is persistent.
Memory is temporary, while storage is persistent.
Storage is used for variables inside functions.
Memory and storage are interchangeable terms.
What is the purpose of events in Solidity?
To inherit properties from parent contracts.
To log data to the blockchain.
To validate smart contract functions.
To manage temporary variables.
Which access modifier allows a function to be called only externally?
Internal.
Private.
Public.
External.
What is the purpose of a factory contract in Solidity?
To store application binary interfaces.
To deploy multiple instances of a contract.
To provide global blockchain information.
To perform inheritance.
What feature in Solidity supports code reuse across contracts?
Factory contracts.
Events.
ABI.
Inheritance.
Which data type in Solidity represents a 20-byte Ethereum address?
Uint.
Address.
Int.
Bytes.
What is the primary function of smart contracts in dApps?
To encrypt user credentials for better security.
To replace all front-end development.
To enforce decentralized control and automate workflows.
To manage centralized servers for better efficiency.
What distinguishes decentralized applications (dApps) from centralized applications?
dApps rely on central authorities for decision-making.
dApps operate on a blockchain, offering distributed control.
dApps have opaque operations and limited user transparency.
dApps are stored on centralized servers for easy access.
Which is NOT a benefit of dApps?
Universal accessibility for global users.
Transparency through blockchain technology.
Reduced transparency due to encrypted operations.
Enhanced security through decentralization.
What is the role of an IDE in dApp development?
To manage centralized servers for data storage.
To encrypt user transactions for privacy.
To ensure compliance with centralized financial regulations.
To provide a seamless environment for writing, testing, and deploying smart contracts.
What component allows dApps to interact with the Ethereum blockchain?
Providers.
Centralized servers.
Front-end.
Ethereum Virtual Machine (EVM).
What is the Ethereum Virtual Machine (EVM)?
A decentralized global computer that processes state changes and executes smart contracts.
A front-end interface for user interactions.
A wallet management tool for users.
A centralized system for managing blockchain transactions.
How do dApps achieve transparency?
By storing data on private centralized servers.
By encrypting user data for secure access.
By relying on a central authority for oversight.
By using blockchain technology to maintain immutable and verifiable transaction records.
What does the front-end of a dApp do?
Manages decentralized nodes and transactions.
Stores user data on centralized servers.
Provides a user interface and communicates with smart contracts on the blockchain.
Executes the logic defined in smart contracts.
What is the function of Metamask in dApps?
Manages centralized servers for data control.
Hosts the backend of decentralized applications.
Encrypts all data before transactions.
Provides private key management and transaction signing.
Which is an example of a dApp use case?
Encrypted user authentication for centralized apps.
Centralized server data management.
Traditional banking with centralized oversight.
Decentralized financial transactions without intermediaries.
What is ethers.js used for?
To manage traditional databases.
To manage centralized server networks.
To encrypt user credentials.
To interact with blockchain networks and smart contracts.
What is a provider in the context of ethers.js?
An abstraction used to connect to blockchain networks.
A wallet management tool.
A cryptographic key storage solution.
A tool for managing centralized databases.
Which of the following is an example of a node provider?
Infura.
Ethers.js.
React.js.
Solidity.
What is the primary advantage of decentralized applications?
Efficient centralized database management.
Streamlined server control.
Exclusive reliance on hardware wallets.
Enhanced security through decentralization.
What is the function of a signer in ethers.js?
To deploy smart contracts on centralized networks.
To create and manage blockchain nodes.
To store the ABI of a smart contract.
To authorize transactions by signing them with a private key.
What is an oracle in the context of blockchain?
A wallet extension for signing transactions.
A tool for writing smart contracts.
A network component that bridges on-chain and off-chain data.
A centralized server for managing user data.
Which blockchain service provides access to external data for smart contracts?
Truffle.
Infura.
Node.js.
Chainlink.
How does ethers.js handle events emitted by smart contracts?
By storing them in a centralized database.
By setting up event listeners for emitted events.
By encrypting and logging them offline.
By requiring manual verification.
What is the role of the ABI in interacting with a smart contract?
It acts as a centralized control interface.
It manages private keys for the contract.
It logs all transactions locally.
It defines the methods and events accessible in the contract.
What is a key advantage of using ethers.js?
It automates centralized server deployments.
It provides user-friendly APIs for interacting with the Ethereum blockchain.
It encrypts all user credentials offline.
It acts as a centralized data storage tool.
What is Web3?
A static collection of read-only web pages.
A protocol for encrypting emails.
The next iteration of the internet built on blockchain technology and decentralization.
A centralized platform for managing user data.
What distinguishes Web3 from Web2?
Web3 decentralizes control and data ownership using blockchain technology.
Web3 limits access to digital assets for privacy.
Web3 relies on centralized servers for transaction management.
Web3 centralizes all user data for better security.
What is the role of JavaScript in Web3 development?
To interact with blockchain networks and develop decentralized applications.
To compile blockchain nodes into smart contracts.
To encrypt smart contracts for better security.
To act as a centralized data management tool.
What does the blockchain trilemma represent?
The challenge of balancing security, scalability, and decentralization.
The difficulty in encrypting private and public keys.
The issue with connecting centralized applications to Web3.
The limitations of smart contract deployment.
Which is an example of a decentralized finance (DeFi) application?
MetaMask.
Microsoft Teams.
Google Drive.
Uniswap.
What is a non-fungible token (NFT)?
A certificate for encrypting blockchain nodes.
A unique digital asset representing ownership of items like art or collectibles.
A token representing a stable value pegged to a fiat currency.
A fungible cryptocurrency used in decentralized finance.
What is the primary feature of decentralized autonomous organizations (DAOs)?
Dependence on a single governing authority.
Encrypted private data accessible to select users.
Centralized control of all organizational operations.
Collective decision-making through decentralized governance.
What does IPFS stand for in decentralized storage solutions?
International Public File System.
InterPlanetary File System.
Internet Protocol for File Security.
Independent Processing File Server.
What is the purpose of a smart contract in Web3?
To act as a digital wallet for cryptocurrencies.
To automatically execute agreements when predefined conditions are met.
To create visual elements for decentralized applications.
To store user credentials on centralized servers.
Which is NOT a key technology supporting Web3?
Digital assets and tokens.
Blockchain.
Smart contracts.
Centralized databases.
What distinguishes a token from a cryptocurrency?
Tokens cannot be used for transactions, unlike cryptocurrencies.
Tokens are created on existing blockchains, while cryptocurrencies are built on their own blockchain.
Tokens are fungible assets, while cryptocurrencies are non-fungible.
Cryptocurrencies are always stable in value, while tokens are not.
What is a key feature of utility tokens?
They provide access to specific services within an ecosystem.
They represent ownership rights in a company.
They are used exclusively for storing value.
They cannot be traded or exchanged.
What is the primary purpose of governance tokens?
To act as a stable form of digital currency.
To reward users for mining activities.
To grant holders voting rights on protocol decisions.
To store metadata for NFTs.
What makes non-fungible tokens (NFTs) unique?
They represent divisible assets like cryptocurrencies.
Each NFT is distinct and cannot be exchanged on a one-to-one basis with another NFT.
They are interchangeable with other NFTs of the same type.
They cannot represent digital art or collectibles.
What is an example of a fungible token?
A Decentraland plot of virtual land.
Ethereum (ETH).
Bitcoin (BTC).
CryptoPunks NFT.
What is the ERC-721 standard used for?
Defining fungible tokens.
Creating non-fungible tokens (NFTs).
Enabling private transactions on Ethereum.
Managing decentralized finance protocols.
What is a key characteristic of soulbound tokens?
They can be traded on decentralized exchanges.
They are exclusively used for decentralized finance (DeFi).
They are fungible and divisible tokens.
They are non-transferrable digital assets tied to an individual's identity.
What is the primary difference between fungible and non-fungible tokens?
Fungible tokens are used for governance, while non-fungible tokens are used for payments.
Fungible tokens represent ownership, while non-fungible tokens do not.
Fungible tokens are interchangeable, while non-fungible tokens are unique.
Fungible tokens cannot be divided, while non-fungible tokens can.
What does the ERC-20 standard define?
Mechanisms for decentralized finance protocols.
Rules for fungible tokens on the Ethereum blockchain.
A minimum interface for non-fungible tokens.
A framework for creating and managing DAOs.
Which token standard allows for managing multiple asset types under a single contract?
ERC-20.
ERC-721.
ERC-1155.
ERC-444.
What is one primary use of blockchain in the retail industry?
Centralizing product manufacturing processes.
Creating digital advertisements.
Encrypting customer payment methods.
Improving supply chain transparency and traceability.
How does blockchain enhance the manufacturing process?
By automating the production of blockchain components.
By centralizing factory operations.
By optimizing inventory management and tracking parts.
By removing the need for quality control.
What is a key benefit of blockchain in financial services?
Storing sensitive bank passwords.
Faster and more cost-effective cross-border payments.
Increasing the number of banking intermediaries.
Decentralizing customer support.
How does blockchain improve real estate transactions?
By centralizing property listings.
By automating government land registrations.
By enabling tokenization and fractional ownership of properties.
By removing the need for buyer-seller interactions.
What role does blockchain play in healthcare?
Replaces doctors with AI-based systems.
Automatically generates patient diagnoses.
Secures and manages electronic health records (EHRs).
Encrypts pharmaceutical supply data for internal use only.
What is a major advantage of using blockchain in securities trading?
Decentralizing trader certifications.
Enhanced transparency and faster settlement processes.
Eliminating all trading fees.
Centralizing regulatory approvals.
What is a key application of blockchain in the public sector?
Automating election results.
Providing secure and verifiable digital identities.
Replacing physical government offices with blockchain nodes.
Removing all taxes through smart contracts.
What makes blockchain effective in the legal industry?
Reducing the need for legal experts.
Automating all legal disputes with AI.
Encrypting legal documents for private access.
Creating immutable and transparent records of transactions.
What is an example of blockchain use in asset management?
Removing intermediaries in real estate and equity trades.
Centralizing the storage of asset portfolios.
Automating asset purchases through centralized systems.
Encrypting all user transactions offline.
How does blockchain enhance cross-border payments?
By slowing down money transfers for accuracy.
By encrypting international money transactions offline.
By using traditional currency exchange processes.
By providing end-to-end remittance services without intermediaries.
What is the primary purpose of Decentralized Finance (DeFi)?
To encrypt fiat currencies for secure offline storage.
To create regulations for cryptocurrency trading.
To eliminate intermediaries and enable peer-to-peer financial transactions.
To centralize financial data for better accessibility.
What is a decentralized exchange (DEX)?
A software application for encrypting wallets.
A centralized platform for managing fiat currency transactions.
A marketplace where users trade cryptocurrencies directly without intermediaries.
A protocol for converting physical assets into cryptocurrencies.
What is the role of stablecoins in DeFi?
To increase the volatility of cryptocurrencies.
To provide a price-stable medium of exchange and store of value.
To ensure that all smart contracts are publicly accessible.
To replace traditional fiat currencies entirely.
How do synthetic assets work in DeFi?
By automating insurance claims.
By creating immutable blockchain records for government documents.
By representing real-world assets digitally, enabling decentralized trading.
By converting real estate into non-fungible tokens (NFTs).
What is MetaFi's primary goal?
To centralize metaverse transactions for efficiency.
To replace all traditional financial systems.
To integrate metadata and DeFi for enhanced interoperability across platforms.
To develop exclusive protocols for NFT marketplaces.
Which application of MetaFi supports play-to-earn gaming models?
GameFi.
Stablecoins.
Decentralized exchanges.
Synthetic assets.
What is a key benefit of staking in blockchain networks?
Replaces the need for wallet encryption.
Provides legal governance for decentralized platforms.
Eliminates all risks of smart contract failures.
Maintains network security and rewards participants.
What distinguishes DeFi from traditional finance (TradFi)?
DeFi is managed exclusively by regulatory entities.
DeFi eliminates intermediaries and provides open access through blockchain.
DeFi uses fiat currencies, while TradFi does not.
DeFi relies on traditional market liquidity for operations.
What role do NFT marketplaces play in MetaFi?
Facilitate the buying, selling, and trading of unique digital assets.
Convert stablecoins into non-fungible tokens.
Ensure decentralized governance for all users.
Centralize the ownership of digital assets.
What is a key feature of decentralized insurance platforms in DeFi?
Provide coverage for smart contract failures and hacks.
Guarantee profits for all insurance buyers.
Eliminate the need for community governance.
Centralize the auditing of insurance policies.
What is the primary feature of a decentralized society?
All social interactions require intermediaries.
A single authority manages all interactions and data.
User data is stored exclusively on centralized servers.
Control and decision-making are distributed across a network.
What does a decentralized social graph do?
Stores data across a distributed network to enhance privacy and security.
Encrypts data for centralized social media platforms.
Eliminates the need for blockchain technology in social networks.
Centralizes social interactions for efficiency.
What is the purpose of decentralized storage?
To automate user data deletion policies.
To centralize data for better encryption.
To replace all traditional file-sharing services.
To store, access, and share files in a distributed manner across multiple nodes.
Which of the following is a key benefit of decentralized storage?
Centralizing backup systems for better fault tolerance.
Encrypting data for offline usage only.
Storing all data on a single secure server.
Enhanced security and privacy by distributing data across multiple nodes.
What are Zero-Knowledge Proofs (ZKPs) primarily used for?
To replace blockchain technology in identity verification.
To automate the creation of smart contracts.
To verify the validity of a statement without revealing underlying information.
To encrypt personal user data for centralized storage.
What is the main challenge of transitioning to quantum-resistant blockchains?
Backward compatibility with existing blockchain protocols.
Reducing blockchain visibility to users.
Ensuring smart contracts function without cryptography.
Decentralizing user interactions.
