Answers for the Quest  "Decentralized Identity and Privacy" in Certik 
(https://skynet.certik.com/quest/decentralized-identity-and-privacy?referralId=9276444235509527957)

1. What is a primary benefit of decentralized identity solutions?
- User autonomy over personal data

2. Which of the following is a potential privacy risk in decentralized identity systems?
- Linkability leading to user profiling

3. How can zero-knowledge proofs enhance privacy in decentralized identity systems?
- By allowing verification without revealing actual data

4. What was a significant privacy concern identified in the MicroID protocol? 

Two answers:
- Inability to verify identities
- Exposure of email addresses through brute-force attacks