Multiple Choice
To communicate with an Ethereum node via JavaScript:
A) the library you use must make use of the JSON-RPC Interface of an Ethereum Node.
B) must Implement the Ethereum Protocol to connect to other Ethereum Nodes.
C) must use Web3.js, which is closed source to communicate to other Ethereum Nodes.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Consensus is reached:<br>A) by the miner nodes
Q2: What are Private Keys used for?<br>A) To
Q3: To develop smart contracts:<br>A) it's good to
Q4: When you are programming a game like
Q5: Files can be imported:<br>A) using relative and
Q7: When solidity is compiled then also Metadata
Q8: Multi-Line Comments in Solidity are:<br>A) working with
Q9: Gas costs accrue on sending a transaction:<br>A)
Q10: What's the correct scientific notation?<br>A) 1 Ether
Q11: Block Difficulty:<br>A) is determined by the Ethereum