Cryptocurrencies

What is the Bitcoin ledger called?

• Key

• Blockchain

• Miner

Which is NOT true about Bitcoin?

• it is a digital currency

• it can be duplicated

• it doesn't have a central issuing authority

• it isn't attached to any state or government

If you want to make a transaction, you have to inform one of the ledger-keepers.

• True

• False

How are new Bitcoins created?

• volunteers agree on issuing more Bitcoins

• you can earn them by making a transaction

• miners are rewarded with Bitcoins for recording a new block of transaction

According to the current projections, when is the last Bitcoin going to be issued?

• 2140

• 2040

• 2440

What is the current value of 1 Bitcoin?

• 33,336.49 PLN

• 1,003,56 PLN

• it changes all the time

Which reason in favour of Bitcoin as compared to cash is FALSE?

• Bitcoin allows for greater control of funds and lower fees

• Bitcoin is more secure than cash

• Bitcoin cannot be tracked, unlike cash

• Bitcoin can be used all over the world without going through a conversion process