Yeah, but OP didn't say anything about it being cold (other than the reference to current wallets as a subset of possibilities).

senf

Yeah, this would not be to make it cold. This would be to have something that’s not a native tracking device and is (ideally) really cheap.

jasonb

Isn't it contradictory to have a cold wallet for lightning?

I'm not too technically sound but I remember I read somewhere that lightning wallets can't be a cold one like Bitcoin cold wallets.

AskSN

Mobile (non-phone) Lightning Wallet?

Isn't it contradictory to have a cold wallet for lightning? 

I'm not too technically sound but I remember I read somewhere that lightning wallets can't be a cold one like Bitcoin cold wallets. 