Question 1

In the Proof of Stake(POS) algorithm the miners are really known as ___________?

Options :

A : Notary

B : Oracle

C : Forgers

D : Minters

Answer: C

Question 2

You are considering writing a smart contract for Ethereum and would like to use a robust programming language.
Which programming language is considered the most flexible and robust for Ethereum?

Options :

A : Solidity

B : Python

C : Serpent

D : JS

Answer: A

Question 3

Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?

Options :

A : Net

B : Viper

C : LLL

D : Solidity

Answer: A

Question 4

Which of these technical components best represents why cryptocurrency is able to operate successfully?

Options :

A : An immutable digital ledger that is validated and distributed across many peers

B : Using API calls, cryptocurrency having a direct correlation to USD exchange rates

C : High performance computing power allows cryptocurrency to be minted just as a central government might do with fiat currency

D : Blockchain cryptocurrency transactions are always public which generates user trust and adoption

Answer: A

Question 5

Which of these desired outcomes is best obtained through a Blockchain solution?

Options :

A : Pending financial transactions need to be stored until completed and then should be deleted

B : A website that shows current data from various stock markets

C : A mobile app that displays information about today-s weather

D : None of the above

Answer: B