Comprehensive Quiz

What is a public blockchain?

A) A permissioned network where only certain users can access and participate

B) A permissionless network where anyone can access and participate

C) A type of cryptocurrency exchange

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.

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 autobridging work?

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

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

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

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 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 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

What is a use case for brokering an NFT transfer?

A marketplace that manages the sale of NFT’s for creators.

A curator who wants to organize NFT’s by type or price point.

An agent who works to buy and sell NFT’s, maximizing the sale price for creators.

All of the above

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 are in-game assets stored?

A) In the game itself

B) On the blockchain as non-fungible tokens

C) In a digital wallet

What is proof-of-work?

A) A type of consensus mechanism in which miners compete to solve complex mathematical problems

B) A type of consensus mechanism in which nodes stake the network currency to validate transactions

C) A method of reaching consensus via a peer-to-peer network of nodes

D) None of the above

What advantage does web 3.0 offer to the gaming industry?

A) Reduced lagging

B) In-game assets with real-world value

C) Improved graphics

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 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

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 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 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

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.

What is proof-of-stake?

A) A type of consensus mechanism in which miners compete to solve a complex mathematical problems

B) A type of consensus mechanism in which nodes stake the network currency to validate transactions

C) A method of reaching consensus via a peer-to-peer network of nodes

D) None of the above

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)