Yaahub - Introduction To Crypto Currency & Blockchain

21 Questions

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Yaahub - Introduction To Crypto Currency & Blockchain

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Questions and Answers
  • 1. 
    ______________ was the first ever cryptocurrency created by Satoshi Nakamoto in 2009.
    • A. 

      Bitcoin

    • B. 

      USD

    • C. 

      GBP

    • D. 

      EUR

  • 2. 
    ______________________ are stored in a secure digital wallet.
    • A. 

      Cryptocurrencies

    • B. 

      USD

    • C. 

      Bitcoin

    • D. 

      GBP

  • 3. 
    _______________________ is a digital or virtual currency designed to work as a medium of exchange. 
    • A. 

      CryptoCurrency

    • B. 

      USD

    • C. 

      GBP

    • D. 

      EUR

  • 4. 
    For you to send Cryptocurrency to someone you need a __________
    • A. 

      Private key

    • B. 

      Mobile Phone

    • C. 

      PC

    • D. 

      Public Key

  • 5. 
    The most secure place for a cryptocurrency is a _______________
    • A. 

      Hardware Wallet

    • B. 

      Bank

    • C. 

      House

    • D. 

      PC

  • 6. 
    Any Cryptocurrency other than Bitcoin is called as ____________
    • A. 

      Altcoin

    • B. 

      USD

    • C. 

      GBP

    • D. 

      EUR

  • 7. 
    ________________an be simply referred as an online platform which functions as a cryptocurrency reward system for users
    • A. 

      Bitcoin Faucet

    • B. 

      Casino

    • C. 

      Altcoin

    • D. 

      USD

  • 8. 
     _____________________is a process in which transactions for various forms of cryptocurrency are verified and added to the blockchain digital ledger
    • A. 

      Cryptocurrency Mining

    • B. 

      Bitcoin

    • C. 

      Ethereum

    • D. 

      Forex

  • 9. 
    ________________________is a growing list of records, called blocks, which are linked using cryptography. Each block contains a cryptographic hash of the previous block,a timestamp, and transaction data (generally represented as a merkle tree root hash).
    • A. 

      Bitcoin

    • B. 

      Bank

    • C. 

      Blockchain

    • D. 

      Ledger

  • 10. 
    _______________________is the process of adding transaction records to Bitcoin's public ledger of past transactions or blockchain
    • A. 

      Bitcoin Mining

    • B. 

      CryptoCurrency Mining

    • C. 

      Forex Trading

    • D. 

      Paper Wallet

  • 11. 
    ____________is the process of adding transaction records to Bitcoin's public ledger of past transactions
    • A. 

      Mining

    • B. 

      Bitcoin

    • C. 

      USD

    • D. 

      Ethereum

  • 12. 
    ____________________ is an open software platform based on blockchain technology that enables developers to build and deploy decentralized applications
    • A. 

      Ethereum

    • B. 

      Bitcoin

    • C. 

      Litecoin

    • D. 

      Noorcoin

  • 13. 
    __________________ was announced in 2011 with the goal of being the 'silver' to bitcoin's 'gold
    • A. 

      Litecoin

    • B. 

      Bitcoin

    • C. 

      Ethereum

    • D. 

      Noorcoin

  • 14. 
    The first thing to know is that _________ is both a platform and a currency. The  platform is an open source protocol which is designed to allow fast and cheap transactions.  The platform has its own currency (XRP) but also allows everybody to use the platform to create their own.
    • A. 

      Ripple

    • B. 

      Bitcoin

    • C. 

      Litecoin

    • D. 

      Noorcoin

  • 15. 
    _______________ is a Cryptonote algorithm based cryptocurrency, it relies on Ring Signatures in order to provide a certain degree of privacy when making a transaction
    • A. 

      Monero

    • B. 

      Ripple

    • C. 

      Bitcoin

    • D. 

      Noorcoin

  • 16. 
    N very basic terms, mining refers to the process of using CPU, _______ or ASIC processing power for the purposes of hashing blocks and verifying transactions on the blockchain.
    • A. 

      GPU

    • B. 

      Windows Server

    • C. 

      Linux Server

    • D. 

      Power Generators

  • 17. 
    Cryptographic Hash Algorithm. A cryptographic hash (sometimes called 'digest') is a kind of 'signature' for a text or a data file. It generates an almost-unique 256-bit (32-byte) signature for a text.
    • A. 

      SHA-256

    • B. 

      SHA-1

    • C. 

      SHA-2

    • D. 

      256-SHA

  • 18. 
    ____________is a relatively new mining algorithm that has gained some notoriety in a time when ASICs are just now being released for scrypt-based cryptocurrencies
    • A. 

      X11

    • B. 

      X15

    • C. 

      X256

    • D. 

      Z11

  • 19. 
    A ________________or a digital currency exchange is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies.
    • A. 

      Cryptocurrency exchange

    • B. 

      Bitcoin exchange

    • C. 

      Bank

    • D. 

      Forex Exchange

  • 20. 
     ___________is a protocol standard that defines certain rules and standards for issuing tokens on Ethereum's network. .
    • A. 

      ERC-20

    • B. 

      ERC -70

    • C. 

      ERC- 243

    • D. 

      ERC- 256

  • 21. 
    _______________, as it relates to blockchain technology, is a radical change to the protocol that makes previously invalid blocks/transactions valid (or vice-versa). This requires all nodes or users to upgrade to the latest version of the protocol software.
    • A. 

      Hard Fork

    • B. 

      Soft Fork

    • C. 

      Bitcoin

    • D. 

      Noorcoin