Blockchain

Which of the next assertions is not a definition of bitcoin?

• A digital currency full of assets

• A cryptocurrency

• A technology that enables the transfer of digital assets

• A digital token

This person invented Bitcoin.

• Shamoshi Takadomo
• Maz Kanata
• Satoshi Nakamoto
• Motorola Huawei

Bitcoins are created when a computer...

• solves an algorithm
• sells dollars
• adds a node to the crypto

What algorithm does the Bitcoin blockchain use?

• SHA256
• PLA196
• CB2187
• THX1138

What do we mean to say by "mining Bitcoins"?

• A clearing transaction of Bitcoins

• A creation of Bitcoins in each block

• A change in the money supply of Bitcoins

• All

What is the name of the general ledger that tracks all bitcoin transactions?

• The Block Chain
• The Gox Chain
• Ledger Link
• Satoshi Square

Who can contribute to the Bitcoin Protocol?

• Satoshi Nakomoto

• World Bank

• Gavin Andresen

• Anyone can contribute

What technology is Bitcoin built on?

• Ethereum

• Javascript

• Solidity

• The Blockchain

How many Bitcoins will there ever be by 2040 ?

• 21 million

• 10 million

• 14 million

• Unlimited

How does the proof of work solving the mathematical algorithm problem ?

• through public and private key encryption

• computation for right nonce value to form hash value less than target

• through consensus validation with more than 50% of nodes approving the transaction

• None of above