312-82 무료 덤프문제 온라인 액세스

How many bitcoin are available?

• A.It increases each year
• B.21 million
• C.1 million
• D.It fluctuates with demand

________is one of the most widely used enterprise blockchain frameworks applicable across different industries.

• A.Hyperledger Fabric
• B.Bitcoin
• C.Microsoft Azure
• D.Ethereum

Self-executing computer programs which facilitate transaction automation and eliminates the need for intermediaries are called what?

• A.Distributed ledgers
• B.Smart contracts
• C.Bitcoin mining
• D.Cryptocurrencies

When using __________ the chain of ownership is established by a chain of digital signatures as each owner signs when transferring ownership.

• A.ETHASH
• B.NFTS
• C.PoET
• D.UTXO

A____does not result in a new chain and does not require client nodes to upgrade.

• A.Soft fork
• B.Dependent chain
• C.Hard fork
• D.Side chain