That’s already huge in South Africa. You can use both nfc on your phone (blink, wos, others) or bolt cards with either other folks’ wallets or bitcoinize POS systems.

100%. I think some cashu wallets do this. I would love a HW device that works with eCash / Lightining + tap to pay. I think the development will be fast when enough demand exists. We need more shops accepting Bitcorn.