# Proof of Walk — 21 Sats Outside Challenge

A printable Moss & Switchbacks outdoor checklist for people who have produced enough proof-of-work today and could use 21 minutes outside.

The full challenge image is visible free. The **7,752 sats supporter edition** (about $5 at publish time) funds the next original outdoor/Bitcoin-culture design. No shipping and no DM fulfillment.

**Native $5 Lightning support:** https://coinos.io/pay/mossandswitchbacks/5/USD

![Proof of Walk](https://image.nostr.build/702d56cf564a52cf378069e7aea9b25686f18f3db4bce0f3d4ca8d04d6227168.jpg)
