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This quiz will test your understanding of lecture 6.

In accordance with the Coursera Honor Code, I (Anonymous Student) certify that the answers here are my own work.

Question 1

Unlinkability in Bitcoin could mean: (check all that apply)

It’s hard to link different transactions having the same output address

It’s hard to link different transactions made by the same user

It’s hard to link different addresses owned by the same user

Question 2

Which of the following observations would suggest that addresses A and B may be controlled by the same user/entity?

There is a transaction with both A and B as output addresses

There is a transaction with both A and B as input addresses

There is a transaction with A as an input address and B as an output address

Question 3

Which of these techniques can improve the anonymity provided by mixing services? (check all that apply)

Using a series of mixes

Charging a constant percentage of the transaction value as a mixing fee

Using the same “chunk” size for all mixing transactions

Question 4

Which of these is NOT an advantage of CoinJoin over centralized mixes?

Built-in protection against denial-of-service attacks

Theft by mixes is impossible

Potentially better anonymity because centralized mixes can be compromised by adversaries

Question 5

What is “zero knowledge” about a zero-knowledge proof?

It takes no outside knowledge to verify the correctness of the proof

It is a proof that requires no knowledge to create

It is a proof that you have no knowledge of something

It is a proof that doesn’t reveal any knowledge other than the statement’s truth

In accordance with the Coursera Honor Code, I (Anonymous Student) certify that the answers here are my own work.

You cannot submit your work until you agree to the Honor Code. Thanks!

Bitcoin and Cryptocurrency Technologies

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Bitcoin and Cryptocurrency Technologies

Bitcoin and Cryptocurrency Technologiesby Arvind Narayanan

Lecture 6 Quiz Help Center

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Bitcoin and Cryptocurrency Technologies
by Arvind Narayanan