Comprehensive Quiz

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 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 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 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

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

A) Security token

B) Stablecoin

C) NFT

D) Bitcoin

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.

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

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 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

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.

What is the base transaction cost on the XRPL?

A) 0.01 XRP

B) 0.001 XRP

C) 0.00001 XRP

What is an ask?

A) A price a buyer is willing to buy an asset at

B) A price a seller is willing to sell an asset at

C) The order book for the XRPL DEX

What is an Order Book?

A queue of trades that are being processed.

A log of all the trades that happen on an exchange.

A list of traders who want to buy a specific token.

A list of offers from traders to buy or sell tokens for a specific exchange rate.

What is the difference between the testnet and livenet/mainnet servers?

When coding on the XRPL, you can test your code with the testnet before launching an app on the livenet.

The testnet uses fake XRP and fake currency. The livenet uses real XRP and currency.

New accounts on the testnet are funded via a centralized faucet, whereas the livenet requires a transfer from an exchange.

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

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 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.

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

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.