최신Blockchain Certified Blockchain Business Foundations - CBBF무료샘플문제

A. a database ledger

B. a genesis block

C. a double-entry ledger

D. a triple-entry ledger

A. False

B. True

A. False

B. True

A. Nodes select which block to be added to the Blockchain

B. The blocks splits into two chains. Blocks are then added to each chain until one chain becomes larger.
The longest chain is then considered to be the Blockchain.

C. Both chains are deleted, and the unconfirmed transactions are added back to the pool

D. None of the above

E. The Orderer Block confirms which block has the most confirmed transactions

A. False

B. True

A. All of the above

B. A video sharing website

C. Medical records

D. Voting

E. Identity management

A. Proof of Stake

B. All of the above

C. Proof of Work

D. Proof of Burn

E. Proof of Activity

A. increasing the number of transactions per second (TPS)

B. solving user identity

C. getting banks to cooperate

D. the inability to find use cases

A. metadata used for ID

B. digital fingerprint of the block

C. unique number to show it's a Bitcoin block

D. same as the user private key