Comprehensive Quiz

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

What is the XRPL’s consensus algorithm?

A) Proof-of-work (PoW)

B) Delegated proof-of-stake (DPoS)

C) XRPL Consensus Mechanism

D) XRP Validator

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.

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 creates a trust line?

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

useCreateTrustline()

setTrustlines((trustlines)

useIsConnected()

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.

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 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 NFTokenTaxon ID used for?

To create a unique ID for each NFT, so 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.

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

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 cryptocurrencies live?

A) In a physical wallet

B) In a software wallet

C) On the blockchain

What does a block in the blockchain contain?

A) Cryptographic hash

B) Transaction information

C) Timestamp

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.

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

Which coding language is required to build on the XRPL?

A) JS

B) Python

C) Any language

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 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

Why doesn't XRPL use PoW?

A) PoW uses a lot of energy

B) PoW is too slow

C) PoW isn't decentralized

D) Both A and B

E) All of the above

Why is trading on the XRPL a little different than on other blockchains?

The XRPL offers a built-in software wallet where users can safely store their currency.

The XRPL uses a Central Limit Order Book instead of an AMM.

The XRPL uses an AMM instead of a Central Limit Order Book.

The XRPL uses both a Central Limit Order Book and an AMM.