Comprehensive Quiz

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

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()

What is a smart contract?

A) A digital contract that executes automatically when certain conditions are met

B) A physical contract that is signed by more than two parties

C) A digital contract that is signed by more than two parties

Why doesn't the XRPL use Proof of Work (PoW)?

A) PoW is too energy-intensive

B) PoW is unbalanced

C) PoW isn't secure enough

To transfer an NFT between two accounts, you must:

Use buy offers or sell offers.

Use buy offers only.

Use sell offers only.

Burn your NFT.

What does "minting an NFT" mean?

A) Creating a physical copy of an NFT

B) Creating an NFT and publishing it to the blockchain

C) Giving an NFT to someone as a gift

D) Selling an NFT on a marketplace

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

Why would someone use a multi-signature account?

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

What is the base transaction cost on the XRPL?

A) 0.01 XRP

B) 0.001 XRP

C) 0.00001 XRP

Why is trading on the XRPL a little different than on other blockchains?

The XRPL offers a built-in software wallet where users can safely store their currency.

The XRPL uses a Central Limit Order Book instead of an AMM.

The XRPL uses an AMM instead of a Central Limit Order Book.

The XRPL uses both a Central Limit Order Book and an AMM.

How is blockchain changing the gaming industry?

A) Blockchain is making it easier for small developers to compete with the big names in the industry

B) Blockchain is making it possible for players to own and trade in-game assets

C) Blockchain allows anyone to earn an income from playing games

D) All of the above

What is the purpose of hooks?

A) To provide smart contract functionality

B) To reduce fees

C) To increase the speed of transactions

D) To improve security

What is the difference between the testnet and livenet/mainnet servers?

When coding on the XRPL, you can test your code with the testnet before launching an app on the livenet.

The testnet uses fake XRP and fake currency. The livenet uses real XRP and currency.

New accounts on the testnet are funded via a centralized faucet, whereas the livenet requires a transfer from an exchange.

All of the above

How do AMMs work?

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

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

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

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 proof-of-work?

A) A type of consensus mechanism in which miners compete to solve 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

What is Forte?

A) A blockchain platform that provides funding and infrastructure for game developers

B) An in-game currency for the Fortnite game

C) A digital wallet

Why did the founders of the XRPL create it?

A) To provide liquidity to the market

B) To send crypto to friends and family

C) To provide a more sustainable, scalable and fast alternative to Bitcoin

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

Where do cryptocurrencies live?

A) In a physical wallet

B) In a software wallet

C) On the blockchain