Not really, the payment protocol gives you back the full transaction that can be checked by the merchant.
The 'instant' comes from trusting a third party that temporarily controls enough keys to block the funds before they can get double spent but long enough that the tx can be confirmed.
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Yay, easy way to confirm false transactions :D
Not really, the payment protocol gives you back the full transaction that can be checked by the merchant.
The 'instant' comes from trusting a third party that temporarily controls enough keys to block the funds before they can get double spent but long enough that the tx can be confirmed.