Blockchain Trivia Study Guide

Official Study Guide

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What does P2P stand for?

• Password to Password • Peer to Peer • Product to Product • Private Key to Public Key What is a node?

• A type of cryptocurrency • A blockchain • A computer on a blockchain network • An exchange Who created Bitcoin?

• Satoshi Nakamoto • Samsung • John Mcafee • China Where do you store your cryptocurrency?

• Bank account • Floppy Disk • Wallet • In your pocket Where is the LEAST SAFE place to keep your cryptocurrency?

• In your pocket • On an exchange • On a hot wallet • At your work desk

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 What are the different types of tokens?

• Platform • Privacy • Currency • All of the above Where can you buy cryptocurrency?

• A private transaction • An exchange • A bitcoin ATM • All of the above Which is NOT a part of asymmetric encryption?

• Mining • Public key • Passphrase • Private Key What is a blockchain?

• A distributed ledger on a peer to peer network • A type of cryptocurrency • An exchange • A centralized ledger

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What is a dApp? • A type of Cryptocurrency • A condiment • A type of blockchain • A decentralized application What is the term for when a blockchain splits?

• A fork • A merger • A sidechain • A division What is the purpose of a nonce?

• Follows nouns • A hash function • Prevents double spending • Sends information to the blockchain network 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 What incentivizes the miners to give correct validation of transactions?

• A nonce • A block reward • Thumbs up from the community • More memory

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 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 What powers the Ethereum Virtual Machine?

• Gas • Ether • Bitcoin • Block Rewards Asymmetric encryption uses: • Public keys only • Private keys only • Public and Private keys • Proof of Stake 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

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What is UTXO? • United Transaction Office • United Texan Xerox Organization • Unspent Transaction Output • Union of Texas Operations Who invented Merkle Trees?

• Staoshi Nakamoto • Ralph Wiggum • Nick Szabo • Vitalik Buterin 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 What does IPFS stand for?

• Interplanetary Filing System • Inter Filing System • Internet Play Store • Internet Platform For Storage 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

What characteristic makes blockchain tamper-proof?

• VPN • Immutability • Cryptocurrency • Servers What is the name of the research paper that brought Bitcoin to the world?

• Black Paper • White Paper • Yellow Paper • Green Paper Bitcoin uses UTXO, Ethereum uses: • Double spend • UTXO • Account Balance • Ether 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 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

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