Block Chain Quiz

1. What key difference is highlighted between Web2 and Web3?

• Web3 is not built on blockchains

• Web3 allows ownerships of personal data

• Web3 does not recognize user preferences

• Web3 makes centralized corporations richer

The two consensus models used in blockchains mentioned in the document are:

• Proof of Work, Proof of Stake

• Proof of Work, Proof of Resources

• Proof of Identity, Proof of Stake

• Proof of Transaction, Proof of Hash

What allows the Tezos network to evolve without requiring hard forks?

• Formal verification

• Upgradability

• Decentralization

• Wallet integration

5. PoS stands for:

• Proof of Shares

• Proof of Server

• Proof of Storage

• Proof of Stake

6. What are the options provided to choose what a block contains:

• Timestamp, Hash, Data, Nonce

• Timestamp, Data, Signature, Nonce

• Hash, Previous Hash, Data, Nonce

• Hash, Address, Signature, Fees

14. What does NFT stand for?

• Non-Fungible Token

• National Football Token

• National Football Token

• Node Foundation Token

15. What does decentralized peer-to-peer network refer to?

• Server networks

• Dark web networks

• Blockchain networks

• Cloud networks

19. What tool is used for securing data on blockchain using hashing algorithms?

• Encryption

• Digital signatures

• Hashing

• Steganography

20. Which two digital assets can people transfer efficiently worldwide using blockchain?

• Coins, Information

• Coins, Files

• Digital currencies, Collectibles

• Knowledge, Experience

25. What type of identities did Web 2.0 blur the lines between?

• Professional and personal

• Online and offline

• Real and fake

• Public and private