Comprehensive Quiz

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 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 the purpose of a destination tag?

A) To use a single account to manage payments for a variety of users

B) To gain access to the XRPL DEX

C) To keep track of all the different types of assets an account holder has

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

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.

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

useAcceptSellOffer()

setSending(true);

const result = await acceptSellOffer(offerIndex);

What is a public blockchain?

A) A permissioned network where only certain users can access and participate

B) A permissionless network where anyone can access and participate

C) A type of cryptocurrency exchange

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.

What code correctly creates and funds an account on the testnet?

await client.fundWallet(null, {amount, faucetHost })).wallet;

await client.connect()

const client = new xrpl.Client(net)

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

What is a private key?

A) A public address that is used to receive funds

B) The amount of XRP required to open an account

C) A password that is used to sign transactions

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

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 the name of a digital asset that can represent a share of a company?

A) Security token

B) Stablecoin

C) NFT

D) Bitcoin

What is the primary goal when making a request on the XRPL?

To look up something on the ledger.

To retrieve currency from another account.

To prepare your wallet for an incoming transaction.

To send currency.

How long does it take for transactions to flow through the XRPL?

A) A few seconds

B) A few minutes

C) A few hours

D) A few days

What line of code correctly instantiates a client on the XRPL?

const client = new xrpl.Client(net);

let net = getNet();

await client.connect();

results = "Connecting to " + net + "....";

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 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

Do you need smart contracts to build on the XRPL?

A) Yes

B) No

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.