BTCYN on Nostr: How does the zap work?

{ "id": "a0308637b3e5931480d4fa7fb7e86b0df52bf802ce8bcd9fec516a8e29a728ef", "pubkey": "6c36d25652cbc7b744bb43b6965ce5ca741da6acb7139cf172df4425bdce3741", "created_at": 1676872065, "kind": 1, "tags": [], "content": "How does the zap work?", "sig": "88d68c6b806ab46a1143940b2c8d2e10d9ca074b143873092d55a43711b5c45db8bfa3eda512313edb53b6b684453c5775c595cf492883a987072ddfb3bd1b21" }