General Blockchain Quiz
What was the highest the Bitcoin price ever reached on the CoinDesk Bitcoin Price Index? $1,113 $2,346 $1,165 $984
$1,165
When did bitcoin's creator publish a whitepaper introducing the digital currency? 2007 2008 2009 2010
2008
What is the maximum number of bitcoins that can be created? 16 million 21 million 100 million There is no maximum
21 million
How many new Bitcoins are created every day? 2200 Except of leap year 3600 7200 5000
3600
What incentivizes the miners to give correct validation of transactions? A nonce A block reward Thumbs up from the community More memory
A block reward
What is a node? A type of cryptocurrency A Blockchain A computer on a Blockchain network An exchange
A computer on a Blockchain network
What is a dApp? A type of Cryptocurrency A condiment A type of blockchain A decentralized application
A decentralized application
What is a blockchain? A distributed ledger on a peer to peer network A type of cryptocurrency An exchange A centralized ledger
A distributed ledger on a peer to peer network
What is the term for when a blockchain splits? A fork A merger A sidechain A division
A fork
What is a private key? A key on your key chain A key given to the public A key NOT to be given to the public A key that opens a secret door
A key NOT to be given to the public
What is a Dash Masternode? Two nodes sharing resources A single node that runs the whole network A node that provides additional supervisory network services Master of all Dash nodes
A node that provides additional supervisory network services
What is cold storage? A place to hang your coat A private key connected to the Internet A private key not connected to the Internet A desktop wallet
A private key not connected to the Internet
What is Proof of Stake? A certificate needed to use the blockchain A password needed to access an exchange How private keys are made A transaction and block verification protocol
A transaction and block verification protocol
Bitcoin uses UTXO, Ethereum uses: Double spend UTXO Account Balance Ether
Account Balance
What are the different types of tokens? Platform Privacy Currency All of the above
All of the above
Where can you buy cryptocurrency? A private transaction An exchange A Bitcoin ATM All of the above
All of the above
What does the block in the blockchain consist of? Transaction data A Hash point A Timestamp All of these
All of these
What is the impact of information leak for an organization? Loss in profit Loss of trust in costumers Cut down the reputation of the organization All of these
All of these
What is a LiteClient? Allows you to interact with the blockchain without downloading the whole blockchain A type of cryptocurrency A platform to develop dApps A server
Allows you to interact with the blockchain without downloading the whole blockchain
What are sidechains? Another term for a hash function Smart Contracts that have forked off the main Blockchain A parallel network running adjacent to the main blockchain network for additional security Any mechanism that allows tokens from one blockchain to be securely used within a completely separate Blockchain
Any mechanism that allows tokens from one blockchain to be securely used within a completely separate Blockchain
What characteristic makes blockchain tamper-proof? VPN Immutability Cryptocurrency Servers
Immutability
What does IPFS stand for? Interplanetary File System Inter Filing System Internet Play Store Internet Platform for Storage
Interplanetary File System - a protocol and peer-to-peer network for storing and sharing data in a distributed file system.
Are blockchain fully public? Yes No It depends
It depends
What time did Bitcoin Network Start? January 2009 September 2001 November 2008
January 2009
What does a ledger in blockchain do? Mapping between owner and object Identification of objects owned Identification of owners
Mapping between owner and object
What is the process of creating new bitcoins popularly known as? Finding Panning Sourcing Mining
Mining
Which is NOT a part of asymmetric encryption? Mining Public key Passphrase Private Key
Mining
Which of the following is a now-defunct Bitcoin exchange? Bit Box Mt Fox Mt Gox Ft Nox
Mt Gox
What is the name of the famous Bitcoin exchange from Japan that collapsed in 2014? Blockchain.info Tradehill Mt. Gox Bitstamp
Mt. Gox
When a record is on a blockchain, who can access it? Multiple people simultaneously. One person at a time. Only the people involved in the transaction.
Multiple people simultaneously.
Which of these US states introduced the BitLicense regulation for cryptocurrency companies? New York California Texas Washington
New York
Once records are submitted on a blockchain, can they be altered? Yes - the parties can go back in and alter them at any time. Yes - but only within a certain time frame. No - they cannot be altered.
No - they cannot be altered.
What is not a ledger type considered by users in Blockchain? Distributed Ledger Decentralized Ledger Both a and b None of these
None of these
What is the initial application for which Blockchain was designed? Peer-to-peer finance application Research Project Open source finance software to connect Banks None of these
None of these
Where is the bitcoin central server located? Washington DC Undisclosed Location London None of these
None of these
Where is the LEAST SAFE place to keep your cryptocurrency? In your pocket On an exchange On a hot wallet At your work desk
On an exchange
What is UTXO? United Transaction Office United Texan Xerox Organization Unspent Transaction Output Union of Texas Operations
Unspent Transaction Output
Where do you store your cryptocurrency? Bank account Floppy Disk Wallet In your pocket
Wallet
Which of the following is popularly used for storing bitcoins? Pocket Wallet Box Stack
Wallet
What is the name of the research paper that brought Bitcoin to the world? Black Paper White Paper Yellow Paper Green Paper
White Paper
Is it possible to program a blockchain to record transactions automatically? Yes No
Yes
Cryptographic Hash Function transforms an arbitrary length of a fixed length string that act more or less as a Fingerprint of the document True False
False
True or False: Blockchain is the same as Bitcoin. True False
False
What is a miner? A type of blockchain An algorithm that predicts the next part of the chain A person doing calculations to verify a transaction Computers that validate and process blockchain transactions
Computers that validate and process blockchain transactions
What powers the Ethereum Virtual Machine? Gas Ether Bitcoin Block Rewards
Ether
How often does Bitcoin ledger reconcile Every day Every 3 months Every 3 Minutes Every 10 Minutes
Every 10 Minutes
A bitcoin address collision happens when 2 different payments are made at the same time to the same bitcoin address True False
False
An orphan block is only created when 51% attack is successful True False
False
hat does P2P stand for? Password to Password, Peer to Peer, Product to Product Private Key to Public Key
Peer to Peer
Which of the following is important for Blockchain Database Security Auditing Planning
Planning
What is the purpose of a nonce? Follows nouns A hash function Prevents double spending Sends information to the blockchain network
Prevents double spending
Asymmetric encryption uses: Public keys only Private keys only Public and Private keys Proof of Stake
Public and Private keys
Who invented Merkle Trees? Ralph Merkle Ralph Wiggum Nick Szabo Vitalik Buterin
Ralph Merkle
First step of Blockchain project implementation is? Requirement identification Feasible study on the security Controlling and monitoring the project Screen idea consideration
Requirement identification
Who created Bitcoin? Satoshi Nakamoto Samsung John Mcafee China
Satoshi Nakamoto
Which site run by Ross Ulbricht was closed by the FBI for letting people buy drugs with Bitcoin? Silk Road Lace Place Silk Street Dark Alley
Silk Road
What is a hash function? A fork UTXO Takes an input of any length and returns a fixed-length string of numbers and letters Gas
Takes an input of any length and returns a fixed-length string of numbers and letters
What is the name of the first academic paper that describes bitcoin commonly referred to as? The origins of money The Bitcoin Whitepaper The great unrevealing
The Bitcoin Whitepaper
What is a genesis block? The first block of a Blockchain A famous block that hardcoded a hash of the Book of Genesis onto the blockchain The first block after each block halving The 2nd transaction of a Blockchain
The first block of a Blockchain
After 10 Minutes a new block is formed that contains latest transactions True False
True
