# Milk Market FAQ

**What can I sell?** Local food and goods of all kinds — raw milk and dairy are one example, alongside meat, eggs, produce, baked goods, honey, and handmade goods.

**How do payments work?** Bitcoin (Lightning, Cashu ecash), Stripe cards, and manual fiat. Buyers can check out as a guest with just an email, or with their own Nostr keys.

**Is it really permissionless?** Yes. Listings are Nostr events on open relays; there is no central approval step.

**How is my data handled?** Orders and messages are end-to-end encrypted (NIP-17). The platform caches public listings in PostgreSQL for search and fast page loads.

**Can AI agents use Milk Market?** Yes — via the Model Context Protocol server at `https://milk.market/api/mcp`. See [/llms.txt](https://milk.market/llms.txt) and [/skill.md](https://milk.market/skill.md).