Comprehensive Quiz

What is a DEX?

A) A decentralized exchange that allows users to trade assets without having to send them to a centralized exchange

B) A cryptocurrency that is used as an intermediary asset to find the lowest transaction cost

C) An order book that lists all current bids and asks for each asset

Why doesn't the XRPL use Proof of Work (PoW)?

A) PoW is too energy-intensive

B) PoW is unbalanced

C) PoW isn't secure enough

What is yield farming?

A) The act of making small purchases at different times of the day

B) The act of only buying the top-cryptocurrencies

C) The act of using DeFi protocols to earn interest on digital assets

Where is your cryptocurrency stored?

A) In a cryptocurrency wallet

B) On the blockchain

C) In a physical wallet

What is the best way to describe an NFT broker?

Someone who sells their own NFT’s directly to buyers.

Someone who buy’s NFT’s directly from sellers.

Someone who connects NFT buyers and sellers facilitates the transaction for a fee.

Someone who breaks and destroys NFTs.

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

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'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

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

What does "TVL" mean?

A) Total value locked

C) Tokenized value loan

C) Trade volume level

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 decentralized finance?

A) An umbrella term for various protocols and financial instruments that are built on distributed ledger technology (DLT), such as blockchain

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

C) A way of investing that involves taking on more risk in order to potentially earn higher returns

Where do AMMs store currency?

In a hedge fund.

In a decentralized exchange.

In a community moderated account.

In a liquidity pool.

Where is the best place to store your private keys?

Written on a note.

Emailing them to yourself.

Remembering them.

In a hardware or software wallet.

What is the primary purpose of private keys in the digital world of DeFi?

They are used for sharing assets with others securely.

They act as government-issued identification.

They are crucial for proving your identity and safeguarding your digital assets.

They provide access to DeFi platforms' security features.

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.

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

Who first proposed the concept of smart contracts?

A) Nick Szabo

B) Satoshi Nakamoto

C) Vitalik Buterin

Do you need smart contracts to build on the XRPL?

A) Yes

B) No

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)