A. True
B. False
A. metadata used for ID
B. digital fingerprint of the block
C. same as the user private key
D. unique number to show it's a Bitcoin block
A. Anonymity
B. Double Spending
C. None of the above
D. Destination of currencies
A. A function that stores data behind a key
B. A one-way function that converts input to a unique string output
C. The block-ID of the block
D. All the above
E. A two-way function used for condensing information
A. Voting
B. Identity management
C. All of the above
D. Medical records
E. A video sharing website
A. The most efficient way of recording a transaction in any database.
B. Anonymity in a peer to peer network
C. It confirms that all nodes on the network are legitimate.
D. The highest level of security in a database by ensuring 51% agreement of nodes on the network.
E. None of the above
A. number of blocks
B. size of the memory cache
C. metadata that is
D. Merkle tree hash
