Blockchain Quiz

What is a blockchain?

• A type of digital currency

• A decentralized ledger that records transactions

• A centralized database

• A type of programming language

What does a "block" in a blockchain contain?

• Only the transaction details

• Just a digital signature

• Only the cryptocurrency amount transferred

• The transaction details, a timestamp, and a reference to the previous block

When you hear challenges of blockchain, what comes to your mind?

Do you think blockchain can revolutionize industries beyond finance?

• Yes, it has huge potential in multiple industries.

• No, it’s only useful for cryptocurrencies.

• Not sure, I need more information.

What does a "block" in a blockchain contain?