Comprehensive Quiz

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.

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

What is a liquidity provider (LP)?

A) An individual who commits to trade at least once per day

B) A type of financial institution that is not subject to government regulation

C) Someone who supplies liquidity to a decentralized exchange (DEX)

What does "TVL" mean?

A) Total value locked

C) Tokenized value loan

C) Trade volume level

Who can see the XRPL code?

A) Anyone with an account on the XRPL

B) Only validator nodes

C) Anyone with an internet connection

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

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 makes the XRPL environmentally friendly?

A) It doesn't require mining

B) It's made of recycled materials

C) It runs on renewable energy

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

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 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 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)

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 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

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 will let you know when the client has connected to the XRPL?

Connected: {isConnected ? "Yes" : "No"}

useIsConnected()

WalletInfo()

What does a block in the blockchain contain?

A) Cryptographic hash

B) Transaction information

C) Timestamp

D) All of the above

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 + "....";

What are some of the key benefits of blockchain technology?

A) It's secure, trustless, and tamper-proof

B) It's controlled by a central authority and transactions can be reversed

C) It's private, permissioned, and efficient

How are cryptocurrency transactions secured?

A) Cryptography

B) A central authority verifies them

C) Strong passwords