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Decrypt it! Level 2

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

What is P2P?


a)

Point to Point

b)

Private to Public

c)

Peer to Peer

d)

Product to Product

2.

What is a blockchain?

a)

A distributed ledger on a peer to peer network

b)

A type of cryptocurrency

c)

An exchange

d)

A centralized ledger

3.

What is a node?

a)

An exchange

b)

A computer on a Blockchain network

c)

A Blockchain

d)

A type of cryptocurrency

4.

What is a miner?

a)

A type of blockchain

b)

An algorithm that predicts the next part of the chain

c)

A person doing calculations to verify a transaction

d)

Computers that validate and process blockchain transactions

5.

What is the name of the research paper that brought

Bitcoin to the world?

a)

Black Paper

b)

White Paper

c)

Green Paper

d)

Yellow Paper

6.

All blocks contain a link to the previous block, except for:

a)

The second block

b)

The third block

c)

The first block

d)

Block number 24601

7.

Bitcoins are created when a computer...

a)

Solves an algorithm

b)

Sells dollars

c)

Adds a node to the crypto

d)

Do mining

8.

Which hashing algorithm blockchain uses?

a)

SHA-256

b)

SHA-512

c)

MD-5

d)

All of the above

9.

Who developed SHA-256 algorithm?

a)

America Institute for Research

b)

Bells Labs

c)

National Security Agency

d)

Santoshi Nakomoto

10.

What are the different types of Blockchains?

a)

Private

b)

Public

c)

Consortium

d)

All of the above