I heard that too, it's true. Totally slipped my mind

usually the merchant pays the fees. Most consumers don't notice them, but it is normal for credit card processors to charge 3 - 5%. I've heard it's less in the EU. 

Scoresby

Lightspark CEO pays for coffee on Square terminal using stablecoin on Lightning?

I don't see any upside here, quite the opposite, actually. Anyone who buys USDb can just buy Satoshis, use them direct, and dodge all those fees except the standard LN fee. Marcus is talking about a 3% card fees, that even normal in the States? Over here in Portugal, we just pay a flat quarterly fee (mine's 5 euro) and that's it, no extra charges.