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mrclownworld | 3 months ago (raw) | root | parent | reply | flag 
 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?
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Analogue Dog | 3 months ago (raw) | root | parent | reply | flag 
 Surely it's more important for the receiver to check for a connection.
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mrclownworld | 3 months ago (raw) | root | parent | reply | flag 
 Why? If I check that the mint is available, and then send you coins, and you say “I can’t redeem these, therefore I won’t give you eggs” then I just redeem them myself and cancel the transaction.

If the mint is not available to him, the seller simply need not hand over the goods. 

And btw this is why I think it’s totally probable for most ecash to settle via lightning to the receiver’s preferred lightning provider (whether self-hosted, blind mint, or custodian) before goods are released. In this case, ecash issuance is just the method to bring a great degree of privacy to what would otherwise be a custodial relationship