Nostr addresses are bitcoin addresses
Alice zaps Bob 100,000 sats for note N
Output 1: Bob - 100,000 sats
Output 2: OP_RETURN Zap - Version=1 - N (32 bytes) - 4 bytes empty OR note/npub
Output 3: Alice - change
![](https://m.primal.net/JVIM.png)
https://mempool.space/testnet4/tx/1b5760289e71309275145bb9b7b17eb3322b717641a80b6a490eb7fa53b4a428