BLOCKCHAINF 無料問題集「EXIN Blockchain Foundation」

（A）another application that runs on a Blockchain

（B）replacing bartering in many parts of the world

（C）a replacement currency for the U.S. dollar

（D）the same as all other cryptocurrencies

（A）Located with the owner of the server

（B）None of the above

（C）Where the Blockchain is created

（D）There is no central server, it is distributed

（E）Orderer Node

（A）size of the memory cache

（B）number of blocks

（C）metadata that is

（D）Merkle tree hash

（A）Anonymity and transparency

（B）Efficient block lookups and protection against forgery

（C）A Turing complete distributed network

（D）All of the above

（E）A way to deploy smart contracts onto the Blockchain

（A）The Orderer Block confirms which block has the most confirmed transactions

（B）Nodes select which block to be added to the Blockchain

（C）None of the above

（D）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.

（E）Both chains are deleted, and the unconfirmed transactions are added back to the pool

（A）False

（B）True

（A）Allowing users to communicate with each other anonymously

（B）Keeping the IP addresses a secret

（C）Keeping the network configuration a secret.

（D）Providing a public and private encryption key

（A）False

（B）True