Comprehensive Quiz - XRP Ledger

What is decentralized finance?

A) An umbrella term for various protocols and financial instruments that are built on distributed ledger technology (DLT), such as blockchain

B) A type of financial institution that is not subject to government regulation

C) A way of investing that involves taking on more risk in order to potentially earn higher returns

To change the currency of a transaction in the example code sandbox, which file should be edited?

A) App.jsx

B) send-currency.jsx

C) wallet-info.jsx

D) source-wallet.jsx

What makes the XRPL environmentally friendly?

A) It doesn't require mining

B) It's made of recycled materials

C) It runs on renewable energy

How does the XRPL order book differ from a typical AMM?

A) Trades on the Order Book happen during the hourly auction while an AMM executes trades instantly based on the current formula-based prices.

B) Trades on the Order Book happen when a marketplace merge (mpm) occurs while an AMM executes trades instantly based on the current formula-based prices.

C) Trades on the Order Book happen when a buyer's bid matches a seller's ask while an AMM executes trades instantly based on the current formula-based prices.

D) Trades on the Order Book happen when the buy/sell function cycles while an AMM executes trades instantly based on the current formula-based prices.

What is the primary goal when making a request on the XRPL?

A) To look up something on the ledger.

B) To retrieve currency from another account.

C) To prepare your wallet for an incoming transaction.

D) To send currency.

What is a DEX?

A) A decentralized exchange that allows users to trade assets without having to send them to a centralized exchange

B) A cryptocurrency that is used as an intermediary asset to find the lowest transaction cost

C) An order book that lists all current bids and asks for each asset

What is a use case for brokering an NFT transfer?

A) A marketplace that manages the sale of NFT’s for creators.

B) A curator who wants to organize NFT’s by type or price point.

C) An agent who works to buy and sell NFT’s, maximizing the sale price for creators.

D) All of the above

What is a private key?

A) A public address that is used to receive funds

B) The amount of XRP required to open an account

C) A password that is used to sign transactions

What advantage does web 3.0 offer to the gaming industry?

A) Reduced lagging

B) In-game assets with real-world value

C) Improved graphics

Which of the following best describes a sidechain?

A) A sidechain is a separate network that runs in parallel to the main network

B) A sidechain is a type of blockchain that is used to process transactions that are not related to the main blockchain

C) A sidechain is a centralized network that is used to process transactions

D) A sidechain is a fork of the main blockchain

Why is a trust line necessary for transactions with tokens and currency?

A) By establishing trust lines with different assets, users can participate in trustless trading and make atomic swaps between assets directly on the XRPL without relying on a centralized intermediary.

B) Without trust lines, accounts could be subject to receiving assets or tokens that they do not want to receive.

C) We use trust line as a means of consenting to receive currency or a token.

D) All of the above

How do AMMs work?

A) AMMs work by holding currency in order books, then the ledger randomizes a fair exchange rate between the different currencies.

B) AMMs work by pooling currency in liquidity pools, then algorithmically picking a fair exchange rate between the different currencies.

C) AMMs work by pooling currency in liquidity pools, then the AMM leadership group picks a fair exchange rate between the different currencies.

D) AMMs work by pooling currency in liquidity pools, then the AMM community votes on a fair exchange rate between the different currencies.

What is the order book?

A) A list of all current bids and asks for each asset

B) A recommendation of which assets to trade

C) A complete timeline of an asset's price history

What is the name for converting a physical asset into a digital token?

A) Tokenization

B) Fungibility

C) Blockchain

D) Cryptocurrency

What is typically the last step when interacting with the XRP Ledger?

A) Disconnect from the XRPL.

B) Connect to the XRPL

C) Close the client.

D) Request a balance.

What is proof-of-stake?

A) A type of consensus mechanism in which miners compete to solve a complex mathematical problems

B) A type of consensus mechanism in which nodes stake the network currency to validate transactions

C) A method of reaching consensus via a peer-to-peer network of nodes

D) None of the above

Which of the following statements best summarizes how we use trust lines?

A) When sending currency, a trust line must be created from the receiving/destination account to the sending/issuer account.

B) When sending currency, a trust line must be created from the sending/issuer account to the receiving/destination account.

C) After initiating a transaction with currency between two accounts, both accounts must approve a mutual trust line for the currency transaction to go through.

D) All of the above.

What is the NFTokenTaxon ID used for?

A) To create a unique ID for each NFT so that it can be found on the blockchain.

B) To link or associate all NFTs that belong in a single collection.

C) To set a transaction price in case an NFT is sold after being minted.

D) All of the above

What are the two fundamental ways developers interact with the XRPL?

A) With payments and wallets.

B) With transactions and requests.

C) With accounts and wallets.

D) With addresses and seeds.