🌉 Bridge Attack Scenario
Learn from billion-dollar bridge hacks
Your Progress
0 / 5 completed🎓 Key Takeaways
Let's review what you've learned about bridge attacks, security vulnerabilities, and prevention strategies.
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Attack Vectors
- •Validator compromise through phishing and social engineering
- •Smart contract bugs in verification logic
- •Oracle manipulation and proof forgery
- •Protocol design flaws and initialization errors
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Major Exploits
- •$2.3B stolen from top 5 hacks (2021-2022)
- •Ronin: $625M via validator key compromise
- •Most attacks executed in under 1 hour
- •Only 31% of stolen funds recovered overall
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Security Layers
- •15+ validators distributed globally
- •Multiple independent security audits
- •Real-time monitoring and anomaly detection
- •Withdrawal limits, delays, and circuit breakers
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Critical Lessons
- •No single security measure prevents all attacks
- •Defense-in-depth approach is essential
- •Bridges are high-value targets for attackers
- •Users should assess bridge security before use
🧪 Knowledge Check
Test your understanding of bridge attacks and security. Get 4 or more correct to complete the module!
1. What was the largest bridge hack in history?
2. Which attack vector has caused the most bridge losses?
3. How many validators should a secure bridge have?
4. What security measure would have prevented the Nomad hack?
5. What percentage of the top 5 bridge hacks were recovered?
← Prevention & Security
Complete the quiz to finish this module