I was just thinking a temporary punch to the face was a great non-violent solution for getting people to see inconsistencies. 🤔

You mean to skip the need for the receiver to be online to receive? If I remember correctly, the bArk folks wrote a paper on how to do that, using hashes instead of signatures in something complex

Is this similar to Zaplocker that nostr:nprofile1qqsrf5h4ya83jk8u6t9jgc76h6kalz3plp9vusjpm2ygqgalqhxgp9g84ctjf uses in their wallet? It works pretty well.

Did you look at the async payment in lightning!? Ldk has an implementation