Blockchain and Cryptocurrency Explained | Online Course Support

Ethereum was originally designed as a decentralized, ‘turing-complete” computer. In practice, what is the current main role of this “computer”?

10. Question 10 Ethereum was originally designed as a decentralized, ‘turing-complete” computer. In practice, what is the current main role of this “computer”? 1 / 1 point   An alternative payment solution  …

Blockchain and Cryptocurrency Explained | Online Course Support

How would you characterize the proof-of-work consensus protocol that’s used by so many blockchain implementations?

7. Question 7 How would you characterize the proof-of-work consensus protocol that’s used by so many blockchain implementations? 1 / 1 point   An economic deterrence to easy double-spend attacks   One of…

Blockchain and Cryptocurrency Explained | Online Course Support

What is the main purpose of solving the hashing puzzle in Bitcoin’s proof-of-work consensus algorithm?

6. Question 6 What is the main purpose of solving the hashing puzzle in Bitcoin’s proof-of-work consensus algorithm? 1 / 1 point   To prove that the node has computing power   To…

Blockchain and Cryptocurrency Explained | Online Course Support

How would one perform a major “software update” to the Bitcoin or Ethereum protocols that significantly improves their functionality?

5. Question 5 How would one perform a major “software update” to the Bitcoin or Ethereum protocols that significantly improves their functionality? 1 point     Create a fork in the…

Blockchain and Cryptocurrency Explained | Online Course Support

Which of the following statements, can be turned into a smart contract on Ethereum? Please select all that apply.

2. Question 2 Which of the following statements, can be turned into a smart contract on Ethereum? Please select all that apply. 1 point     “Transfer 5 ETH from Bob’s…

Blockchain and Cryptocurrency Explained | Online Course Support

What are the possible incentives that a new blockchain system can offer to induce nodes/miners to participate? Please select all that apply.

8. Question 8 What are the possible incentives that a new blockchain system can offer to induce nodes/miners to participate? Please select all that apply. 1 / 1 point   The right to…

Blockchain and Cryptocurrency Explained | Online Course Support

Among all the consensus mechanisms that we discussed in class, which of them are the MOST costly to manipulate?

3. Question 3 Among all the consensus mechanisms that we discussed in class, which of them are the MOST costly to manipulate? 1 / 1 point   Random consensus   Proof-of-Work   Proof-of-stake