Cashu team builds an Internet Mint Finder on Nostr

Picking a Bitcoin ecash mint has often felt like choosing a restaurant in a city with no Yelp. You know places exist, but finding them and judging them is mostly up to word of mouth. Calle, the pseudonymous physicist and key figure behind the Cashu ecash protocol, is working with a team on a fix. The project is called the Internet Mint Finder, or IMF, and it aims to list Cashu mints that have been announced or reviewed on Nostr. The initiative was announced on October 27, 2026. Yes, the acronym is IMF. No, it has nothing to do with the International Monetary Fund, which would probably prefer it that way. What the Internet Mint Finder actually does Cashu is an open-source Chaumian ecash protocol built for Bitcoin. A “mint” is the service that issues ecash, so every Cashu user ends up relying on one. The IMF pulls its data from Nostr, the open, decentralized messaging network that has become popular in Bitcoin circles. The directory is built on NIP-87, a recently drafted Nostr specification. A NIP is a Nostr Implementation Possibility, essentially a shared rulebook so different apps can understand the same kind of message. NIP-87 defines two standard event types. Kind 38172 covers mi...