Egge on Nostr: It would be an additional network trip, but also very likely to incur swap fees. ...

It would be an additional network trip, but also very likely to incur swap fees. Wallets will try to optimise their proof database to make sure the denominations don’t result in huge tokens, but sometimes it’s unavoidable. For anything else there are animated QRs, which are pretty standard in Cashu enabled wallets