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Worksheets

Blockchain

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

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

a)

A digital currency full of assets

b)

A cryptocurrency

c)

A technology that enables the transfer of digital assets

d)

A digital token

2.
This person invented Bitcoin.
a)
Shamoshi Takadomo
b)
Maz Kanata
c)
Satoshi Nakamoto
d)
Motorola Huawei
3.
Bitcoins are created when a computer...
a)
solves an algorithm
b)
sells dollars
c)
adds a node to the crypto
4.
What algorithm does the Bitcoin blockchain use?
a)
SHA256
b)
PLA196
c)
CB2187
d)
THX1138
5.

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

a)

A clearing transaction of Bitcoins

b)

A creation of Bitcoins in each block

c)

A change in the money supply of Bitcoins

d)

All

6.
What is the name of the general ledger that tracks all bitcoin transactions?
a)
The Block Chain
b)
The Gox Chain
c)
Ledger Link
d)
Satoshi Square
7.

Who can contribute to the Bitcoin Protocol?

a)

Satoshi Nakomoto

b)

World Bank

c)

Gavin Andresen

d)

Anyone can contribute

8.

What technology is Bitcoin built on?

a)

Ethereum

b)

Javascript

c)

Solidity

d)

The Blockchain

9.

How many Bitcoins will there ever be by 2040 ?

a)

21 million

b)

10 million

c)

14 million

d)

Unlimited

10.

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

a)

through public and private key encryption

b)

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

c)

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

d)

None of above