Coinos NWC connection secrets have been invalidated following a security breach and will need to be recreated if you want to continue using Coinos as you NWC wallet with your Nostr apps https://stacker.news/items/1551592
Hal wallet can send and receive Silent Payments now. I built a custom silent payment indexer that listens for them in real time via core's zmq transport and serves them over websocket.
halwallet.app