Comprehensive Quiz

Can tokens and currencies be issued on the XRPL?

A) Yes

B) No

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%

Why is the XRPL good for DeFi?

The XRPL’s Proof-of-Work and Proof-of-Stake systems make it difficult to hack.

The XRPL always gets the best exchange rate for trades.

The XRPL can handle a large volume of transactions quickly and cheaply.

The XRPL’s trading algorithm always nets the highest gains per transaction.

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.

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 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

Who first proposed the concept of smart contracts?

A) Nick Szabo

B) Satoshi Nakamoto

C) Vitalik Buterin

Where are in-game assets stored?

A) In the game itself

B) On the blockchain as non-fungible tokens

C) In a digital wallet

How is data mutation different in web 3.0 applications?

A) It is immutable

B) There are no smart contracts

C) It is mutable

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.

Who can see the XRPL code?

A) Anyone with an account on the XRPL

B) Only validator nodes

C) Anyone with an internet connection

Which hook in the nice-xrpl library is used to broker a buy and sell offer from a third-party?

acceptBrokeredOffer()

useAcceptBrokeredOffer()

setBuyOfferIndex(e.currentTarget.value)

setSellOfferIndex(e.currentTarget.value)

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 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)

Why was web 1.0 known as the 'read-only' era?

A) It was difficult to contribute content to the web

B) There were no computers

C) Google required a paid subscription to use

How does someone add funds to a new account on the livenet/mainnet?

Transferring XRP using an exchange or by asking a friend who already has an account.

Using the testnet faucet.

Using the Client.fundWallet() function in xrpl.js

Using the ATM at your nearest bank.

How long does it take for transactions to flow through the XRPL?

A) A few seconds

B) A few minutes

C) A few hours

D) A few days

How does a transaction on a blockchain happen?

A) When the network reaches a consensus

B) When it has finished downloading the blockchain

C) When the block is full

D) When a single validator node approves it