Comprehensive Quiz

Which piece of code defines a transaction as a trust line?

const trustSet_tx = {"TransactionType": "TrustSet"}

const trustSet_tx = {"TransactionType": "Payment"}

await client.autofill(trustSet_tx)

operational_wallet.sign(ts_prepared)

How does DeFi promote innovation in the financial sector?

By encouraging collaboration among developers and easy access to financial services.

By allowing users to trade their currency.

By reducing regulations on developers.

By the use of NFT technology.

What's one key reason why the XRPL uses a unique consensus algorithm?

A) It's easier to reverse transactions

B) It's more energy-efficient

C) Miners don't need to be paid as much

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 do Automated Market Makers (AMMs) do?

AMMs calculate a fair exchange rate between tokens automatically.

AMMs find the best price for buying and selling tokens on a decentralized exchange.

AMMs automatically trade your tokens for you to increase your wealth.

AMMs figure out when the best time to trade your tokens is based on exchange rate fluctuations.

What is the set of chosen validators known as?

A) The Validator List

B) The UNL (Unique Node List)

C) The Consensus Group

D) The Delegate Group

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

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 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.

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

useAcceptSellOffer()

setSending(true);

const result = await acceptSellOffer(offerIndex);

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])

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 smart contract?

A) A digital contract that executes automatically when certain conditions are met

B) A physical contract that is signed by more than two parties

C) A digital contract that is signed by more than two parties

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

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

Why is a trust line necessary for transactions with tokens and currency?

By establishing trust lines with different assets, users can participate in trustless trading and make atomic swaps between assets directly on the XRPL without relying on a centralized intermediary.

Without trust lines, accounts could be subject to receiving assets or tokens that they do not want to receive.

We use trust line as a means of consenting to receive currency or a token.

All of the above

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

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

What is one potential use case for NFTs?

A) Proving ownership of an asset

B) Identity verification

C) Storing academic credentials

D) All of the above

Which hook in the nice-xrpl library creates a trust line?

const [trustlines, setTrustlines] = useState([]);

useCreateTrustline()

setTrustlines((trustlines)

useIsConnected()