CBBF 無料問題集「Blockchain Certified Blockchain Business Foundations」

（A）Through Merkle trees

（B）None of the above

（C）Through public/private key cryptography

（D）By publishing only the block address

（E）Through consensus algorithms such as Proof of Work

（A）providing a public and private encryption key

（B）keeping the I.P. addresses a secret

（C）keeping the network configuration a secret

（D）allowing users to communicate with each other anonymously

（A）A personal medical record

（B）Romeo and Juliet: The entire play

（C）A financial transaction

（D）A vote cast in an election

（E）All of the above

（A）Accuracy

（B）Anonymity

（C）Efficiency

（D）Authority

（A）size of the memory cache

（B）number of blocks

（C）metadata that is

（D）Merkle tree hash

（A）To save money by eliminating intermediaries

（B）To create a distributed database that allows for CRUD

（C）To provide anonymity in business

（D）To provide transparency and trust for business while remaining secure

（A）Newer version of a

（B）Anonymous

（C）Append-only

（D）Confidential

（A）By sharing the same transaction details

（B）With a physical chain

（C）Information of the previous block is embedded into the current block through hashing

（D）Information of the current block is embedded into the genesis block