Second one isn't an issue with Lightning. No ambiguity. Either the payment is made or the payment is not made. None of this fuzzy awkward state where both people have seen the secret so nobody knows who has value.
Login to reply
Replies (2)
I expect most ecash transactions will be redeemed as a Lightning transfer anyway, which as you said resolves the ambiguity in most cases
If you want essentially the same assurance with strict ecash though, you can just code your wallet to check for a connection with the mint before unblinding, right?
Surely it's more important for the receiver to check for a connection.