Comprehensive Quiz

What are the two fundamental ways developers interact with the XRPL?

With payments and wallets.

With transactions and requests.

With accounts and wallets.

With addresses and seeds.

Who can see the XRPL code?

A) Anyone with an account on the XRPL

B) Only validator nodes

C) Anyone with an internet connection

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.

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

Bitcoin

Ripplecoin

Ethereum

Dogecoin

All of the above

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.

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

A) Yes

B) No

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 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

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

Do you need smart contracts to build on the XRPL?

A) Yes

B) No

To change the currency of a transaction in the example code sandbox, which file should be edited?

App.jsx

send-currency.jsx

wallet-info.jsx

source-wallet.jsx

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 is the purpose of a destination tag?

A) To use a single account to manage payments for a variety of users

B) To gain access to the XRPL DEX

C) To keep track of all the different types of assets an account holder has

How are cryptocurrency transactions secured?

A) Cryptography

B) A central authority verifies them

C) Strong passwords

How does risk mitigation differ between traditional finance and DeFi?

DeFi relies on extensive documentation to mitigate risk.

DeFi offers the same level of protection as traditional banks.

In DeFi, Individuals hold the risk and must secure their own accounts.

Traditional finance systems do not involve any risk mitigation.

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

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

Why doesn't XRPL use PoW?

A) PoW uses a lot of energy

B) PoW is too slow

C) PoW isn't decentralized

D) Both A and B

E) 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

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