If the mint publishes zap receipts we can immediately get ecash zaps. We should probably add an exash melt event to NIP-57 or a “zapMints” to the users’ profiles for ecash zaps that can be trusted per user. This would be a phenomenal addition to the zap spec nostr:note1wa5kpyvr7rqa4unnafy0qvrgjsgf5434uuwhuftxuyqewmqvx8rsknxff0