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FinTech 18-3 Blockchain

Total questions: 8

Worksheet time: 10mins

Name
Class
Date
1.

Which were the objectives for Blockchain day 3?

a)

Explain the most popular consensus algorithms and the tradeoffs between each.

b)

Build a blockchain network and produce blocks.

c)

Build a "proof of stake" network.

d)

Initialize geth nodes using a genesis.json.

2.

Which were consensus algorithms we discussed?

a)

Proof of Authority

b)

Proof of Work

c)

Proof of Stake

d)

Proof of Responsibility

3.

Which algorithm has the highest computational cost?

a)

Proof of Authority

b)

Proof of Work

c)

Proof of Stake

4.

Which algorithm has a good balance of decentralization and lower computational cost?

a)

Proof of Authority

b)

Proof of Work

c)

Proof of Stake

5.

Which algorithm is best for testing and development?

a)

Proof of Authority

b)

Proof of Work

c)

Proof of Stake

6.

What is the first block in a blockchain sometimes referred to as?

a)

The Alpha Block

b)

The Genesis Block

c)

The Root Block

d)

The Inception Block

7.

How was Blockchain day 3 for you?

4 lines
8.

Any suggestions for improvement?

4 lines