Comprehensive Quiz

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 a node?

A) A computer that verifies blockchain transactions

B) A central authority that controls the network

C) A type of cryptocurrency

What code checks the balance of an account?

client.getXrpBalance(my_wallet.address))

const standby_wallet = xrpl.Wallet.fromSeed(lines[0])

const sendAmount = standbyAmountField.value

const signed = standby_wallet.sign(prepared)

What is play-to-earn?

A) A model that financially rewards players for their skill and dedication

B) A model that requires players to pay to play

C) A high-speed blockchain for games to run on

What is the name for converting a physical asset into a digital token?

A) Tokenization

B) Fungibility

C) Blockchain

D) Cryptocurrency

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

How does risk mitigation differ between traditional finance and DeFi?

DeFi relies on extensive documentation to mitigate risk.

DeFi offers the same level of protection as traditional banks.

In DeFi, Individuals hold the risk and must secure their own accounts.

Traditional finance systems do not involve any risk mitigation.

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 account reserve?

A) A deposit of XRP that is required to open an account

B) The minimum amount of XRP that can be sent in a transaction

C) A backup wallet in case your primary wallet is lost or stolen

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

What is the best way to describe an NFT broker?

Someone who sells their own NFT’s directly to buyers.

Someone who buy’s NFT’s directly from sellers.

Someone who connects NFT buyers and sellers facilitates the transaction for a fee.

Someone who breaks and destroys NFTs.

What is the NFTokenTaxon ID used for?

To create a unique ID for each NFT so that, 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 are cryptocurrency transactions secured?

A) Cryptography

B) A central authority verifies them

C) Strong passwords

What is tokenization?

A) The process of turning an asset into a digital token

B) The process of burning an NFT

C) The act of buying or selling an NFT

Where do AMMs store currency?

In a hedge fund.

In a decentralized exchange.

In a community moderated account.

In a liquidity pool.

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 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.

Do you need smart contracts to build on the XRPL?

A) Yes

B) No

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 a use case for brokering an NFT transfer?

A marketplace that manages the sale of NFT’s for creators.

A curator who wants to organize NFT’s by type or price point.

An agent who works to buy and sell NFT’s, maximizing the sale price for creators.

All of the above