Comprehensive Quiz

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

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.

Which of the following statements best summarizes how we use trust lines?

When sending currency, a trust line must be created from the receiving/destination account to the sending/issuer account.

When sending currency, a trust line must be created from the sending/issuer account to the receiving/destination account.

After initiating a transaction with currency between two accounts, both accounts must approve a mutual trust line for the currency transaction to go through.

All of the above.

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

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 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 of these platforms don’t offer a built in order book?

Bitcoin

Ripplecoin

Ethereum

Dogecoin

All of the above

An account on the XRPL is made up of which two important pieces:

A private seed and a public address.

A wallet and a faucet.

A login and a password.

A public seed and a private address.

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

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.

Where do AMMs store currency?

In a hedge fund.

In a decentralized exchange.

In a community moderated account.

In a liquidity pool.

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

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 the web 2.0 era also known as?

A) The social web era

B) The read-only era

C) The dot com bubble

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.

How does a transaction on a blockchain happen?

A) When the network reaches a consensus

B) When it has finished downloading the blockchain

C) When the block is full

D) When a single validator node approves it

What could a smart contract be used for?

A) To automate the supply chain

B) To track the ownership of land

C) To settle insurance claims

D) All of the above

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 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