최신EXIN Blockchain Foundation - BLOCKCHAINF무료샘플문제

A. True

B. False

A. Efficient block lookups and protection against forgery

B. A way to deploy smart contracts onto the Blockchain

C. Anonymity and transparency

D. A Turing complete distributed network

E. All of the above

A. By paying the miners with cryptocurrency

B. By paying miners with U.S. dollars

C. By placing their name on the Blockchain

D. By not charging users monthly subscription costs

A. A block

B. A computer running on the Blockchain

C. Certificate Authority

D. A miner

A. True

B. False

A. A Banking Consortium

B. Satoshi Nakamoto

C. VitalikButerin

D. Hyperledger Foundation

A. Unique number to show it's a Bitcoin block

B. Digital fingerprint of the block

C. Same as the user private key

D. Metadata used for ID

A. A developer would need to initiate a hard fork

B. There are no restrictions, a developer could just change the code

C. None of the above

D. change the orderer configuration

E. There is no way to change Blockchain protocol

A. Miners complete to find a nonce results in a hash that starts with a predetermined number of leading zeros.

B. All nodes agree on the data of the transaction.

C. Miners put up a stake. A miner is then selected based on stake value to add a new block to the chain. If a miner adds an invalid block to the chain, that miner loses their stake.

D. Miners send assets to an inactive address. This process selects the next owner of a block.