Free Blockchain CBBF Exam Dumps Questions & Answers

One of Blockchain's primary uses of cryptography is ___________.

• A.  Providing a public and private encryption key
• B.  Keeping the network configuration a secret.
• C.  Allowing users to communicate with each other anonymously
• D.  Keeping the IP addresses a secret

One of Blockchain's primary uses of cryptography is___________.

• A.  providing a public and private encryption key
• B.  keeping the network configuration a secret
• C.  allowing users to communicate with each other anonymously
• D.  keeping the I.P. addresses a secret

Transactions per second (TPS) for a Proof-of-Work Blockchain are approximately?

• A.  7-15 per second
• B.  24K per second
• C.  Only limited to the number of nodes on the network
• D.  175K per second
• E.  None of the above

The transaction hash contained in a block is the______________.

• A.  same as the user private key
• B.  unique number to show it's a Bitcoin block
• C.  digital fingerprint of the block
• D.  metadata used for ID

Blockchains are being implemented in the food supply chain because_____________.

• A.  they have the potential to provide fast, specific supplier data
• B.  it prevents food waste if a food contamination problem occurs
• C.  consumers demand to know where their food comes from
• D.  it allows farm to table accountability for safety
• E.  All of the above