Blockchain Quiz

A challenging Quiz all about Blockchain and Ethereum

Start our free Quiz now and figure out, how well your Blockchain knowledge is. The rules are:

You have to answer 30 Questions
Timelimit will be 5 minutes
every question has only 1 correct answer

Do you have what it takes to answer all questions correct?
(Spoiler: Nobody has ever gotten every answer right)

Easy Explanation of Blockchain Technology

Why do we need Blockchain?

Power and Corruption create a trust problem

We need to store more data

Data needs to be available everywhere

What are the benefits of Blockchain?

Creates trust and security

Stores huge amount of data

Connect the world

Easy Explanation of Cryptocurrency Token

What can you do with tokens?

Create new Blockchains

Apply functions to a Blockchain

Secure a blockchain

What is a cryptocurrency Coin?

Money

Wallet

Blockchain

What did Satoshi Nakamoto develop?

Bitcoin whitepaper

Blockchain

Ethereum whitepaper

Who invented Ethereum?

Arthur Britto

Vitalik Buterin

Gavin Wood

What is Blockchain?

An algorithm

An open, distributed, transparent ledger

A digital Book for global access

What are the limitations of Blockchain?

There are no limitations

Scalability, speed and storage

Government

easy explanation of cryptographic hash function

What is a hash ?

A checksum

An algorithm

A encryption code

Why do we need a hash function?

Security

Transparency

Distribution

Difference between Proof of Work and Proof of Stake

What is the task of a miner?

Validate transactions

Transfer coins

Secure the ledger

What is a miner?

A computer

A person

A nodal point in the network

Learn Blockchain without technical Background

What is the task of the ledger?

Tracking transactions

Hint function

Warning function

How do we secure the ledger?

Encryption

Transparency

Cryptographic hashing

Why do you need a digital wallet?

Store coins

Use the network

What types of Blockchain users exist?

Centralized and decentralized user

Active and Passive user

Miner and Trader

What is the basic concept of the Blockchain technology?

Transparency

Distribution

What is the key function of Blockchain?

Tracking transactions

Eliminate third parties

Everyone can review everything

What is a correct type of a hash function?

Proof of work

SHA256

There is no type of a hash function, they are all the same

What is Proof of Work?

The effort to validate transaction

The effort to transfer coins

The effort to confirm successful transactions

What is a cryptocurrency?

Digital currency

A coin

A piece of code

What is Ether?

A Blockchain

A piece of code

Ethereum

What is a smart contract?

An Agreement

Commitment

A self executing code

Can you change a smart contract?

Yes

Yes, with permission of both parties

What is an example of a DAO?

There are no examples

IOTA

Steemit

What is an advantage of a DAO?

Reduce costs

Do not need people

Reduced risk of failure

What is a criterion of a dApp?

Open Source

Transparent

Free

What is a "type 1" dApp?

Runs on their own Blockchain

Runs on another Blockchain

Uses smart contracts

What is the purpose of the Blockchain technology?

Because we have a safety problem

Because we have a trust problem

Because of the dark net

What is a peer-to-peer system?

System of peers

Nodal points

Computer union

What is a token?

Subset of a coin

Fuel for the network

Needed for smart contracts

What are the benefits of tokens?

You can trade with him

You can collect them

You can apply functions on the blockchain

What is the different between DO and DAO?

DO is autonomous

DAO is more secured

DAO is autonomous

How is DAO defined?

With dApps

Through smart contracts

With Tokens

What is an ERC20 Token?

High value token

Standard token

A token that is 20 times faster

What is a coin?

A Blockchain

A rule in the network

An asset

What is an example for Blockchain 2.0?

Ethereum

Bitcoin

IOTA

What do you need for decentralized applications?

A smart phone

A smart contract

Ethereum

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