Comprehensive Quiz

What makes the XRPL sustainable?

A) A tree is planted with every XRP transaction

B) Consensus requires little energy, and any energy is offset by carbon credits

C) The servers that power the XRPL use renewable energy powered by wind turbines

D) All of the above

Where do AMMs store currency?

In a hedge fund.

In a decentralized exchange.

In a community moderated account.

In a liquidity pool.

Why would someone use escrows?

A) To hold payment funds until the recipient has confirmed receipt of the goods or services being purchased

B) To require that multiple people approve payment before it is processed

C) To make a lot of small payments quickly and efficiently

D) To give someone else the ability to claim funds from your account at any time in the future

How is data mutation different in web 3.0 applications?

A) It is immutable

B) There are no smart contracts

C) It is mutable

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

Why is the XRPL good for DeFi?

The XRPL’s Proof-of-Work and Proof-of-Stake systems make it difficult to hack.

The XRPL always gets the best exchange rate for trades.

The XRPL can handle a large volume of transactions quickly and cheaply.

The XRPL’s trading algorithm always nets the highest gains per transaction.

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

Which hook in the nice-xrpl library will let you know when the client has connected to the XRPL?

Connected: {isConnected ? "Yes" : "No"}

useIsConnected()

WalletInfo()

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

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

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.

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

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

All of the above

What is the NFTokenTaxon ID used for?

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

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

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

All of the above.

How does autobridging work?

A) It uses a series of assets or hops to find the best connecting liquidities for the original trading pairs

B) It allows users to trade their assets without having to send them to a centralized exchange

C) It uses XRP as an intermediary asset to find the lowest transaction cost

The URI of an NFToken is meant to store what information?

The website address of the creator of the token.

Any metadata associated with the token.

The address of the marketplace listing the token.

The IP address of the computer where the NFT was minted.

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

Disconnect from the XRPL.

Connect to the XRPL

Close the client.

Request a balance.

The URI of an NFToken is meant to store what information?

The website address of the creator of the token.

Any metadata associated with the token.

The address of the marketplace listing the token.

The IP address of the computer where the NFT was minted.

What is one potential use case for NFTs?

A) Proving ownership of an asset

B) Identity verification

C) Storing academic credentials

D) All of the above

What is the purpose of a destination tag?

A) To use a single account to manage payments for a variety of users

B) To gain access to the XRPL DEX

C) To keep track of all the different types of assets an account holder has

What is a cryptocurrency wallet?

A) A physical wallet that stores your cash and cards

B) A digital storage device for your private key

C) Where your cryptocurrency is stored

Which of the following best describes XRPL's check feature?

A) It is a secure way to hold funds until certain conditions are met

B) It allows for multiple people to jointly control an account

C) It authorizes an account to claim funds at a later date

D) You can make multiple payments without having to repeatedly send transactions to the network

What is a public blockchain?

A) A permissioned network where only certain users can access and participate

B) A permissionless network where anyone can access and participate

C) A type of cryptocurrency exchange