Comprehensive Quiz - XRP Ledger

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 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 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 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

Where do AMMs store currency?

A) In a hedge fund.

B) In a decentralized exchange.

C) In a community moderated account.

D) In a liquidity pool.

What was one of the first big NFT crazes?

A) CryptoKitties

B) Decentraland

C) Ethereum

D) Bitcoin

Why doesn't XRPL use PoW?

A) PoW uses a lot of energy

B) PoW is too slow

C) PoW isn't decentralized

D) Both A and B

E) All of the above

How does pathfinding work?

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

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

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

What is a public address?

A) A private key that is used to sign transactions

B) The amount of XRP required to open an account

C) A cryptographic code that is used to locate an account on the blockchain

What is one of the advantages that DeFi has over traditional finance systems?

A) DeFi has tighter geographical restrictions.

B) DeFi requires complicated documentation.

C) DeFi is more transparent.

D) DeFi doesn’t require an account.

What is the formula called that AMMs use to calculate a fair exchange rate?

A) Constrictive Function Formula

B) Constant Function Formula

C) Concise Function Formula

D) Creative Function Formula

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

A) useAcceptSellOffer()

B) setSending(true);

C) const result = await acceptSellOffer(offerIndex);

D) useCreateSellOffer()

Where do cryptocurrencies live?

A) In a physical wallet

B) In a software wallet

C) On the blockchain

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

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

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

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

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

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

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 are some of the advantages of decentralized finance?

A) Improved security and resilience due to decentralized infrastructure

B) Removes fees from banks and other financial institutions

C) Greater access to financial services for unbanked individuals

D) A and B

E) 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.