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100 sats \ 0 replies \ @ek 11h \ on: Long-form Content: ecash (Transacting with ecash while offline) by gandlaf21 bitcoin
But, if you don't have proofs that match the amount, you would need to go online and swap for the needed proofs at the mint.
This also applies to offline receives.
The sender needs to not only know the recipient in advance, but also what denominations they will use. The recipient can’t give you change back.
Still useful, but that’s another important limitation.
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