QUESTION 37
Which of the following blockchains does NOT tie real-world identity to public keys on the blockchain?

QUESTION 38
The List hack demonstrated that biockchains using short addresses are exploitable

QUESTION 39
Malware infections of blockchain nodes can compromise the security of the blockchain’s consensus algorithm.

QUESTION 40
For which of the following attacks is a permissioned or private blockchain the best solution?

QUESTION 41
Which of the following blockchains is designed to allow multiple blockchains to run on the same network?

QUESTION 42
Which of the following biockchains uses a channel-focused architectural design?

QUESTION 43
Which of the following attacks takes advantage of the fact that transaction information is posted on the blockchain to infer sensitive information?

QUESTION 44
Which of the following is NOT a common regulatory requirement tor businesses?

QUESTION 45
If an attacker can find two values that hash to the same output what is it called?

QUESTION 46
Determining if a transaction is part of the distributed ledger is less computationally intensive in DAG-based solutions than in blockchain

QUESTION 47
Which smart contract vulnerability allows an attacker to make a profit off a smart contract cryptocurrency exchange like Bancor?

QUESTION 48
Transaction validation on DAG-based DLTs is designed in a way that allows legitimate transactions to be considered untrusted due to random chance.

QUESTION 49
The public visibility of blockchain data increases the risks associated with the compromise of encryption algorithms

QUESTION 50
Confidential Transactions prove that inputs and outputs ot a transaction are equal.

QUESTION 51
Sidechains can benefit the mainchain in what ways? Select all that apply

QUESTION 52
Using a distributed ledger decreases risk of data loss since all data is not stored in the same place.

QUESTION 53
Which blockchain security control either risks centralization or permanently divergent chains?

QUESTION 54
Quantum computers threaten traditional cryptography because they provide polynomial solutions to mathematically “hard” problems

QUESTION 55
This sample code is vulnerable to which of the following attacks?

QUESTION 56
The goal of most network-based blockchain attacks is to enable what type of attack?

QUESTION 57
Which of the following attacks is designed to bypass the protections provided by digital signatures?

QUESTION 58
Properly encrypted data stored in the distributed ledger adequately protects data in both the short-term and the long-term