Free CBCP-001 – Certified BlockChain Professional (CBCP) Practice Test Question

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• ○ A distributed shared ledger
• ○ A centralised company database
• ○ A single server spreadsheet
• ○ A private email archive

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• ○ The miner's personal signature
• ○ The previous block hash
• ○ The block creation timestamp
• ○ The network wallet address

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• ○ Records stored in triplicate
• ○ Only administrators hold copies
• ○ Hashes and distributed copies
• ○ Passwords protect every block

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• ○ The need for cryptography
• ○ All transaction fees charged
• ○ Every form of governance
• ○ A single controlling authority

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• ○ Immutability of the ledger
• ○ Scalability of the network
• ○ Anonymity of the users
• ○ Speed of the consensus

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• ○ Vitalik Buterin in 2013
• ○ Satoshi Nakamoto in 2008
• ○ Nick Szabo in 1998
• ○ Hal Finney in 2004

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• ○ Decentralisation of control
• ○ Immutability of records
• ○ Centralised single ownership
• ○ Silent record editing

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• ○ Copy held by bank
• ○ Copies held by participants
• ○ Updates agreed by consensus
• ○ Updates made by administrator

Answer is in the explanation below.

Answer is in the explanation below.

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• ○ Sharing keys with support
• ○ Storing keys in email
• ○ Backing up seed phrase
• ○ Keeping private keys offline

Answer is in the explanation below.