Blockchain Quiz

What are the differences between digital currency and traditional currency?

• Digital currency is entirely digital, while traditional currency is physical

• Digital currency is regulated by central banks, while traditional currency is not

• Digital currency is centralized, while traditional currency is decentralized

• Digital currency is based on blockchain technology, while traditional currency is not

What is the purpose of a block in blockchain technology?

• To encrypt data for security

• To verify the identity of users

• To store information about transactions

• To connect to a central server

How does blockchaining protect against hackers altering transactions?

• By using a central server for validation

• By requiring proof-of-work before adding a block

• By encrypting all data in the block

• By changing the hash value of the block

What is the role of cryptography in securing transactions in a blockchain network?

• To create a unique digital fingerprint of the data

• To monitor network traffic for suspicious activity

• To regulate the flow of digital currency

• To provide customer support for users

What happens when a new transaction is added to a blockchain network?

• It is stored in a centralized database

• It is encrypted using a private key

• It is immediately deleted for security reasons

• It is verified by nodes on the network

What is a drawback of using blockchain technology to track financial transactions?

• Complexity in understanding and adoption

• High energy consumption for computing power

• Lack of transparency in transaction history

• Limited accessibility for users without technical knowledge

What is the purpose of a blockchain ledger?

• To generate new hash values for each block

• To regulate the flow of transactions

• To mine for new digital currency

• To record every transaction on the cryptocurrency network

What is the benefit of using blockchain technology for financial transactions?

• Limited access for users with internet connection

• Centralized control over the network

• Decreased transparency in transaction history

• Increased security through cryptographic techniques

What is the process of adding a block to a blockchain network called?

• Chaining

• Hashing

• Mining

• Encryption

What is the main advantage of using digital currency over traditional currency?

• Speed and convenience in transactions

• Limited acceptance by merchants

• Physical form of currency

• Decentralized control by governments