Free EXIN BLOCKCHAINF Exam Dumps Questions & Answers

The transaction has contained in a block is the ___________.

• A.  Unique number to show it's a Bitcoin block
• B.  Same as the user private key
• C.  Digital fingerprint of the block
• D.  Metadata used for ID

Why is a private Blockchain used instead of a public one?

• A.  It requires less mining power than a public Blockchain
• B.  It requires fewer administrators to manage it
• C.  To limit user access and permissions
• D.  It is less expensive to develop

What is a block?

• A.  A wallet that stores digital currency
• B.  A list or record of data
• C.  A list or record of certificates
• D.  A pool of unconfirmed transactions
• E.  All of the above

How do consensus algorithms like Proof of Work or Proof of Stake incentivize miners to participate?

• A.  By paying miners with U.S. dollars
• B.  By not charging users monthly subscription costs
• C.  By placing their name on the Blockchain
• D.  By paying the miners with cryptocurrency

Blockchain technology uses__________________.

• A.  A combination of older technology
• B.  the same network S/W as the central bank
• C.  the latest banking software
• D.  the latest router S/W and network H/W