최신EXIN Blockchain Foundation - BLOCKCHAINF무료샘플문제

A. Immutability through hashing

B. Anonymity through cryptography

C. Security through distribution

D. Fault Tolerance through distribution

A. metadata used for ID

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

C. same as the user private key

D. digital fingerprint of the block

A. speed up the internet

B. increase device connectivity

C. make Bitcoin less expensive

D. increase the use of cryptocurrency

A. 7-15 per second

B. Only limited to the number of nodes on the network

C. 24K per second

D. None of the above

E. 175K per second

A. food traceability

B. medical records

C. financial transactions

D. All of the above

E. manufacturing supply chain

A. Records on the Blockchain to never be changed

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

C. easy iteration through the Blockchain

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

A. Append-only

B. Anonymous

C. Confidential

D. Newer version of a

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.