Comprehensive Quiz

A TransferFee of 5000 denotes what fee?

50%

5%

0.5%

500%

What does a block in the blockchain contain?

A) Cryptographic hash

B) Transaction information

C) Timestamp

D) All of the above

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

Where do AMMs store currency?

In a hedge fund.

In a decentralized exchange.

In a community moderated account.

In a liquidity pool.

How does DeFi promote innovation in the financial sector?

By encouraging collaboration among developers and easy access to financial services.

By allowing users to trade their currency.

By reducing regulations on developers.

By the use of NFT technology.

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 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.

Which coding language is required to build on the XRPL?

A) JS

B) Python

C) Any language

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 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

Who first proposed the concept of smart contracts?

A) Nick Szabo

B) Satoshi Nakamoto

C) Vitalik Buterin

What is a private key?

A) A unique alphanumeric code that acts as your public address on the blockchain

B) A digital storage device for your private and public keys

C) A hashed version of the public key

D) A unique code that allows you to access your wallet

What is the difference between the testnet and livenet/mainnet servers?

When coding on the XRPL, you can test your code with the testnet before launching an app on the livenet.

The testnet uses fake XRP and fake currency. The livenet uses real XRP and currency.

New accounts on the testnet are funded via a centralized faucet, whereas the livenet requires a transfer from an exchange.

All of the above

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 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

Can tokens and currencies be issued on the XRPL?

A) Yes

B) No

What does "TVL" mean?

A) Total value locked

C) Tokenized value loan

C) Trade volume level

Do you need smart contracts to build on the XRPL?

A) Yes

B) No

Which coding language is required to build on the XRPL?

A) JS

B) Python

C) Any language

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