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 Portal: Mobile-native Hardware Wallet by TwentyTwo Devices

"Why yet another hardware wallet? Because we think none of the existing ones are both safe and easy to use with smartphones. So we've made our own. Portal is built around NFC, not only to talk to a phone, but also to power itself! No cables, no batteries, just wireless magic."

https://www.nobsbitcoin.com/portal-by-twentytwo-devices/ 
 So a phone only HWW? 🤔