EXIN Blockchain Foundation - BLOCKCHAINF 模擬練習

A. To provide transparency and trust for business while remaining secure

B. To create a distributed database that allows for CRUD

C. To save money by eliminating intermediaries

D. To provide anonymity in business

A. a trustless system where users can be certain of a result

B. Records on the Blockchain to never be changed

C. users on the Blockchain to change data on the Blockchain

D. easy iteration through the Blockchain

A. It replaces all ledgers

B. It allows for a secure, global, and peer to peer record of data

C. It provides anonymity when making transactions

D. All of the above

E. It is a free, trusted bank

A. High cost of developers

B. Its use of cryptography

C. Its use of new applications

D. Changing technology and the lack of a stable standard

A. Keeping the IP addresses a secret

B. Allowing users to communicate with each other anonymously

C. Keeping the network configuration a secret.

D. Providing a public and private encryption key

A. Fault Tolerance through distribution

B. Anonymity through cryptography

C. Immutability through hashing

D. Security through distribution

A. Highly secure

B. None of the above

C. Fault tolerant

D. Unable to be changed

A. None of the above

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. Nodes select which block to be added to the Blockchain

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

A. Hyperledger Foundation

B. Satoshi Nakamoto

C. VitalikButerin

D. A Banking Consortium