What are three technologies used by a blockchain? (Choose three.)

IT Questions BankCategory: IoT SecurityWhat are three technologies used by a blockchain? (Choose three.)

What are three technologies used by a blockchain? (Choose three.)

  • security zones
  • T-V pairing
  • decentralized ledger
  • blocks of hexadecimal digits
  • digital signature
  • algorithm for reaching consensus

Explanation: A blockchain uses digital signatures for authentication, a decentralized ledger to track the transaction process, an algorithm for reaching consensus to verify a transaction, and each block has a hash of the previous block thus forming a blockchain.

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