Block Chain Quiz

What year was bitcoin created?

• 2010

• 2014

• 2005

• 2009

The first transaction involving physical goods was paid on the 22nd May 2010, by transacting 10 000 BTC in exchange of _______

• Two pizzas delivered by Papa John's

• Two pizzas delivered by Pizza Hut

• BMW 3 series

• Property in Las Vegas

In a Blockchain, what validates a transaction and the user's known status using known algorithms ?

• Nodes

• Hash

• Nonce

Which of the following is NOT a pro of bitcoin and other cryptocurrencies?

• User anonymity

• Accessibility

• Speed and performance

• High potential return

Which of the following is NOT a Blockchain component?

• Ledger

• Wallet

• Certificate of Ownership

• Nodes

What are the possible cons of bitcoin? (select all that apply)

• High volatility

• User anonymity

• Limited use

• Transparency

There are no ethical issues with the use of cryptocurrency because it is transparent and secure.

• True

• False

Some of the applications of block chain includes:

• Healthcare

• Supply Chain

• e-Voting

• All of the above