- Hash rate question: added ×10^20 notation to answers array
- Phishing question: added correct MC choice text to answers array
- New tests: self-match, case-insensitive, MC correctness validation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add 526 new prompts across all 16 challenge types with heavy
Bitcoin/cypherpunk themes. Factual types include multiple-choice
options. Separate file for maintainability, merged at runtime.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>