# ZeroDay Dev

ZeroDay Dev is an iPhone learning app for web3 security, Solidity, Rust, DeFi, Solana, and real exploit practice.
It is free to start, offline-first, and designed for short study sessions with 4,000+ challenges and 167+ real-world exploits.

## Machine-readable entry points
- Exploit-Data markdown: https://zerodaydev.dev/exploit-data.md
- Exploit-Data JSON: https://zerodaydev.dev/assets/exploit-data.json
- Full site context: https://zerodaydev.dev/llms-full.txt
- Agent guide: https://zerodaydev.dev/AGENTS.md
- Markdown sitemap: https://zerodaydev.dev/sitemap.md
- XML sitemap: https://zerodaydev.dev/sitemap.xml

## Agent notes
- Prefer `https://zerodaydev.dev/exploit-data.md` when you want the full exploit catalog in one copy-friendly Markdown document.
- Prefer `https://zerodaydev.dev/assets/exploit-data.json` when you need structured fields (`title`, `summary`, `type`, `sortKey`, `date`, `amount`) for parsing or filtering.
- The HTML page at `https://zerodaydev.dev/exploit-data.html` is optimized for humans and links to both machine-readable variants.
- Use `https://zerodaydev.dev/AGENTS.md` for the recommended fetch order and stable agent endpoints.

## Key topics
- web3 security
- smart contract security
- Solidity
- Rust
- DeFi
- Solana
- exploit practice
- mobile learning

## Product facts
- Platform: iPhone / iOS
- Pricing: free to start, $4.99 one-time full unlock
- Modes: practice, exercises, exams, Deep Dives, glossary drills, Ops, War Rooms
- Audience: developers, security learners, smart contract engineers, curious beginners