Comprehensive Quiz

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

Constrictive Function Formula

Constant Function Formula

Concise Function Formula

Creative Function Formula

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

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

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.

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.

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 main advantage of using a payment channel?

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

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

C) It allows for multiple people to jointly control an account.

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

How much XRP must be destroyed in order to make a transaction on the network?

A) 0.01 XRP

B) 1 XRP

C) 0.00001 XRP

What is yield farming?

A) The act of making small purchases at different times of the day

B) The act of only buying the top-cryptocurrencies

C) The act of using DeFi protocols to earn interest on digital assets

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

App.jsx

send-currency.jsx

wallet-info.jsx

source-wallet.jsx

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 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 main advantage of using a payment channel?

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

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

C) It allows for multiple people to jointly control an account.

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

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.

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 one benefit of transaction transparency in DeFi systems?

It increases the potential for fraudulent activities.

It allows for hidden fees in transactions.

It makes transactions resistant to censorship and reduces fraud potential.

It limits access to transaction information.

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 the NFTokenTaxon ID used for?

To create a unique ID for each NFT so that 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 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.

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 native currency of the XRPL?

A) XRPL

B) XRP

C) BTC

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

When transferring an NFT you own, which of the following helps someone else find and accept the transfer.

The NFTokenTaxon.

The OfferID.

The NFTokenOffer Index.

The WalletID.

Can tokens and currencies be issued on the XRPL?

A) Yes

B) No