Blockchain Bitcoin & Cryptocurrencies

How Many Bitcoins Are there in the world?

• 21,000,000

• 210,000,000

• 20,100,000

• 2,100,000

How many Bitcoins Have been Mined?

(to current date : 22.02.2021) - closest estimate

• 17,460,000

• 18,689,000

• 19,864,000

• 21,000,000

which year will the next Halving Happen?

• 2028

• 2025

• 2026

• 2024

Who is the inventor of bitcoin?

• Satoshi Nakamoto

• no one

• a group of software engineers

• i really don't know

3. What is a bitcoin wallet?

it is a software that enables users to recieve ,store and send bitcoins - peer to peer.

• Correct

• Wrong