<h5>Who is this for?</h5>
<p>If you're wondering what blockchain is all about, whether it's all hype, what chains you can build on, what you can develop, and how to get started building, you've come to the right place! A basic understanding of blockchain and crypto can help you participate in the discussion.</span></p>
<h5>What will you get out of this course?</h5>
<ul>
<li>Define key Blockchain and Crypto concepts like dApps, Smart Contracts, NFTs and DAOs.
</li>
<li>Understand the use cases and the pros and cons of web3 technology.
</li>
<li>Effectively, choose whether or not web3 technology is something valuable for your career.
</li>
<li>Choose which Web3 tech stack is most appropriate for your project or career.
</li>
</ul>

What is blockchain, and why is it popular?

Centralized and transparent way to store data

Decentralized and transparent way to store money over time

Decentralized and transparent way to store and track data changes over time

Where are transactions recorded on the blockchain?

Because data/records are distributed among a network of computers

Because it’s stored in a single location

Why does blockchain technology reduce the chances of data tampering?

Data is not recorded in a single location

What makes blockchain technology different from how we currently record data?

The difference between blockchain and cryptocurrencies

Cryptocurrencies are for storing records of transactions while blockchain is a digital currency

Blockchain is for storing records of transactions while cryptocurrencies are digital currencies

Blockchain is transparent while crypto is not

The main difference between blockchain and cryptocurrencies is

_______ was the original purpose of blockchain

Both of them are technological advancements

One of the following is not a similarity between blockchain and cryptocurrencies

Blockchain does not have monetary value but cryptocurrency does

Blockchain is a type of NFT, but cryptocurrency isn't

Blockchain is made by Samsung, but cryptocurrency is made by the government.

One of the following is how blockchain differs from cryptocurrencies

The blockchain network

Public, private, congressional, and hybrid

The public, private, consortium, and hybrid

Which of these types of blockchain networks is managed by more than one organization? A group of organizations?

What type of blockchain is Bitcoin built on?

Consortium and public blockchain combined

A combination of private and public blockchains

Which of these statements is true? A hybrid blockchain is…

Hashing Encryption

A digital platform where code can be read and understood

A process of transforming data into unreadable and unrecognizable code

Which of the following best describes hashing?

______ is the value generated after passing data through the hash function

Which of the following is an example of a hash function?

Collision freedom, puzzle friendliness, and hiding

The three main properties of a cryptographic hash function are

The Genesis Block and other blocks

The genesis block is not mined but hardcoded into the blockchain

The genesis block is also known as the anchor

Which of the following statements is correct?

One of the following is not a type of block

Which of these is a component of a bitcoin block?

On the bitcoin network, a block size is limited to___

Ethereum and its use cases

One of the following is not a key component of the Ethereum ecosystem

What consensus mechanism does the ethereum network run?

Blockchain 101

Who is this for?

What will you get out of this course?

Prerequisites

Table of Contents

1 What is blockchain, and why is it popular?

2 The difference between blockchain and cryptocurrencies

3 The blockchain network

4 Hashing Encryption

5 The Genesis Block and other blocks

6 Ethereum and its use cases