Blockchain Quiz

What is blockchain?

• A video streaming service

• A type of cryptocurrency

• A technology that enables the secure sharing of information

• A social media platform

How does blockchain work?

• By encrypting transactions with unique hashes

• By storing data in a single database

• By creating physical blocks of data

• By using cloud providers for data storage

What is Web 1.0 known for?

• Blockchain technology

• Decentralized internet

• Reading-only Web

• Participative social Web

What is the main focus of Web 2.0?

• Data storage

• Blockchain technology

• Participating and contributing

• Reading

What is the goal of Web 3?

• To centralize internet access

• To create a decentralized and secure internet

• To eliminate all forms of digital communication

• To focus on data storage

When was the concept of blockchain first described?

• 1991

• 2014

• 2009

• 2008

Who released the white paper establishing the model for blockchain?

• W Scott Stornetta

• Stuart Haber

• Vitalik Buterin

• Satoshi Nakamoto

What is Blockchain 2.0 known for?

• Introducing computer programs into blocks

• Establishing the Ethereum blockchain system

• Implementing smart contracts

• Creating the first blockchain

What does Web 3 aim to achieve regarding data ownership?

• Data ownership will be centralized

• Data ownership will be eliminated

• You will be the content owner

• You will be the product

Find the hash value for the plain text 'Blockchain'

• 0b2b26e1f6483b2a0339573bee482683340765ff2ba7863387bec428a2393f62

• 625da44e4eaf58d61cf048d168aa6f5e492dea166d8bb54ec06c30de07db57e1

• ef7797e13d3a75526946a3bcf00daec9fc9c9c4d51ddc7cc5df888f74dd434d1

• 20a40bc5b70a14b1056d51dbe06a732aa4dd2b830bc404e499eac220e55d2d43