Comprehensive Quiz

What is one advantage of using blockchain technology for payments?

A) Easiness to validate transactions

B) The ability to send and receive payments without a bank account

C) The faster and cheaper processing of transactions

D) All of the above

Do you need smart contracts to create digital assets on the XRPL?

A) Yes

B) No

How does pathfinding work?

A) It uses XRP as an intermediary asset to find the lowest transaction cost

B) It uses a series of assets or hops to find the best connecting liquidities for the original trading pairs

C) It allows users to trade their assets without having to send them to a centralized exchange

Which of these platforms don’t offer a built in order book?

Bitcoin

Ripplecoin

Ethereum

Dogecoin

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

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 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 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.

Which of the following best describes XRPL's check feature?

A) It is a secure way to hold funds until certain conditions are met

B) It allows for multiple people to jointly control an account

C) It authorizes an account to claim funds at a later date

D) You can make multiple payments without having to repeatedly send transactions to the network

What information does a broker need to have in order to facilitate a transaction?

A sell offer index

A buy offer index

An NFToken ID

All of the above

What was one of the first big NFT crazes?

A) CryptoKitties

B) Decentraland

C) Ethereum

D) Bitcoin

What makes the XRPL sustainable?

A) A tree is planted with every XRP transaction

B) Consensus requires little energy, and any energy is offset by carbon credits

C) The servers that power the XRPL use renewable energy powered by wind turbines

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 + "....";

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

What is auto-bridging?

The process of using one currency to bridge a trade between two other currencies.

The process of bridging two order books together to increase liquidity.

The process of automatically bridging two currencies together to form a single currency.

The process of bridging two cryptocurrency platforms together to increase liquidity.

Where do cryptocurrencies live?

A) In a physical wallet

B) In a software wallet

C) On the blockchain

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

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

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.