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Question 501

Which banks and financial institutions use Ripple?

  • A. Santander, American Express, SBI Remittance
  • B. JPMorgan, Goldman Sachs, Citibank
  • C. US Bank, TD Bank, PNC Bank
  • D. None, Ripple is not used by any major banks

Question 502

Which of the following is NOT a kind of Cryptocurrency wallet?

  • A. Hot Wallet
  • B. Brain Wallet
  • C. Soft Wallet
  • D. Digital Wallet

Question 503

The fan token of which club has seen the biggest price increase?

  • A. FC Barcelona
  • B. Juventus
  • C. Paris Saint-Germain
  • D. Arsenal =y

Question 504

Crypto.com announced that it's going to sponsor a sports team... but in which sport?

  • A. Soccer
  • B. Basketball
  • C. Formula One
  • D. Hockey

Question 505

When can you trade in two sessions at the same time?

  • A. From 1:00 PM to 4:00 PM (GMT) (London and New York) @
  • B. From 12:00 PM to 5:00 AM (GMT) (Sydney and Tokyo)
  • C. From 8:00 AM to 9:00 AM (GMT) (London and Tokyo)
  • D. All of the above

Question 506

Which of the following exhibits typical ROOK, BISHOP, QUEEN user characteristics respectively?

  • A. Conservative, Aggressive, Hodler \@
  • B. Aggressive, Hodler, Conservative
  • C. Hodler, Conservative, Casual
  • D. Aggressive, Conservative, Hodler

Question 507

What is the main advantage of using fog computing?

  • A. Reduced latency
  • B. Increased bandwidth
  • C. Lower cost
  • D. Simplified network management

Question 508

Correlation between crypto markets has:

  • A. Remained stable over time
  • B. Increased over time
  • C. Decreased over time
  • D. None of the above

Question 509

What is the primary reason why blockchain technology is secure?

  • A. ltis encrypted using a proprietary algorithm
  • B. It is stored on multiple decentralized servers
  • C. ltis controlled by a central authority
  • D. Itis immune to cyber attacks

Question 510

The number of rounds in the AES algorithm depends upon the key size being used.Which among the following shows a correct relation between the size of the key used and the number of rounds performed in the AES algorithm?

  • A. 128 key size: 10 rounds
  • B. 192 key size: 12 rounds
  • C. 256 key size: 14 rounds
  • D. All of the above

Question 511

Which is NOT an ideal characteristic of a cryptocurrency?

  • A. Immutable
  • B. Transparent
  • C. Centralized
  • D. Limited Supply

Question 512

To encrypt the plaintext, a cryptographic algorithm works in combination with a key...

  • A. Word, number, or phrase
  • B. Special Symbols
  • C. Function Keys
  • D. All of these

Question 513

Some potential downsides of Dynamic NFTs include:

  • A. Complicated smart contracts that are prone to bugs
  • B. An over-reliance on oracles which could be manipulated
  • C. NFTs that lose functionality if developers abandon the project
  • D. All of the above

Question 514

Which of the following is one of the Arbitrum airfrop benefits for OKX wallet users?

  • A. Share $500,000 in rewards
  • B. Enjoy gas discounts
  • C. Receive rewards for trading on Arbitrum
  • D.BothB&C
  • E. All of the above

Question 515

How can you access the economic data?

  • A. National TV channel
  • B. From your bank
  • C. Economic calendar
  • D. You cannot access that data

Question 516

What is the gas refunded to the user?

  • A. (startGas - gasUsed) * gasPrice
  • B. (gasUsed -startGas) * gasPrice
  • C. Nothing is refunded to the user, once a transaction is completed
  • D. (gasUsed -startGas)

Question 517

What percentage of NFT buyers are under 35 years old?

  • A. 60-70%
  • B. 30-40%
  • C.10-20%
  • D. Less than 5%

Question 518

Al could use natural language processing to analyze:

  • A. Smart contracts
  • B. Blockchain data
  • C. User behavior
  • D. All of the above

Question 519

Congratulations! You've got extra +© 882 Quit now

  • A. undefined

Question 520

Which of the following is one of OKX's hew NFT trading rewards?

  • A. Save on ETH gas fees
  • B. Save royalty fees on 200+ collections
  • C. Invite friends to earn more rewards
  • D. All of the above

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