This page stays here so you can pick a rail. Send $42 USD via Zelle. Zero fees. No Fieldproof account. Scan the QR in a banking app that reads mailto invoices.
In your US banking app, open Zelle and send:
Prefer card? Pay $42 with card — also Cash App, Link, or US bank debit.
Pack: Buy the $42 pack. Scan: USDC / BTC / Zelle.