Question 1
If an attacker can find two values that hash to the same output what is it called?
Question 2
This sample code is vulnerable to which of the following attacks? Select all that apply.
Question 3
Which blockchain security control either risks centralization or permanently divergent chains?
Question 4
All smart contracts are audited for correctness and checked for malicious code before being uploaded to the blockchain.
Question 5
Which of the following blockchains separates transaction validation and ordering of transactions in blocks into separate steps?