Comprehensive Quiz

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

What is the XRPL’s consensus algorithm?

A) Proof-of-work (PoW)

B) Delegated proof-of-stake (DPoS)

C) XRPL Consensus Mechanism

D) XRP Validator

What should you consider when choosing a consensus mechanism for an EVM sidechain?

Choose the mechanism with the highest fees, making the barrier to entry higher.

Choose a mechanism that offers limited scalability.

Educate yourself on the mechanisms' strengths and weaknesses in terms of security and other factors.

Choose a Proof of Stake (PoS) mechanism for maximum decentralization.

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 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

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

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

What should you look for when choosing a DeFi platform to ensure security?

Utilizing and trusting the platform's security features.

Understanding how security features like multi-signature authentication work.

Avoiding platforms that use encryption techniques.

Only using government-backed platforms.

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

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 typically the last step when interacting with the XRP Ledger?

Disconnect from the XRPL.

Connect to the XRPL

Close the client.

Request a balance.

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

Connect and check account balance.

Connect and instantiate a client

Connect to the devnet.

Find an account.

How does blockchain help game creators?

A) It makes it easier to raise funds

B) It helps them build a strong community

C) It provides a more level playing field

D) All of the above

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

What's the difference between an NFT and a fungible token?

A) Fungible tokens are interchangeable, while NFTs are unique and have different values

B) Fungible tokens are worth something, while NFTs are not

C) Fungible tokens are physical, while NFTs are digital

D) Fungible tokens represent ownership of an asset, while NFTs do not

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 an Order Book?

A queue of trades that are being processed.

A log of all the trades that happen on an exchange.

A list of traders who want to buy a specific token.

A list of offers from traders to buy or sell tokens for a specific exchange rate.

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

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.

Which hook in the nice-xrpl library accepts an offer in an NFT transfer?

useAcceptSellOffer()

setSending(true);

const result = await acceptSellOffer(offerIndex);