Digital Currency Quiz

What is a digital currency?

• A form of physical money

• A currency stored electronically without physical form

• A currency used only in gaming

• A type of cryptocurrency mining tool

Which of the following is an example of digital currency?

• Bitcoin

• US Dollar

• Gold

• Credit Card

Which technology is primarily used to track digital currency transactions?

• Cloud Computing

• Blockchain

• Artificial Intelligence

• Internet of Things (IoT)

What is the main purpose of blockchain in digital currency?

• To create a physical version of digital money

• To secure and verify transactions in a decentralized manner

• To increase the value of digital currency

• To control the supply of money by banks

Which feature of blockchain makes it secure?

• It is controlled by a single organization

• Transactions are reversible

• It uses cryptographic hashing and decentralization

• All transactions are stored on a single computer

What is the term for the process of verifying transactions in a blockchain?

• Encrypting

• Mining

• Uploading

• Downloading

Which of the following is NOT a characteristic of digital currency?

• It can be transferred electronically

• It requires a physical bank to operate

• It can be decentralized

• It is often secured using cryptography

Which part of the blockchain contains transaction data?

• Node

• Block

• Key

• Ledger

What happens if someone tries to change a transaction in the blockchain?

• The blockchain updates automatically

• The change is rejected due to the hashing process

• The transaction disappears

• The change affects only one block

What does a blockchain ledger contain?

• A single record of the latest transaction

• A centralized database controlled by banks

• A distributed record of all transactions

• A list of internet users