# Grin Hardware Wallet Development

**URL:** <https://forum.grin.mw/t/grin-hardware-wallet-development/10541>\
**Category:** Uncategorized\
**Created:** [May 22, 2023, 5:49am UTC](https://forum.grin.mw/t/grin-hardware-wallet-development/10541 "2023-05-22T05:49:26Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![Anynomous](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/anynomous/32/2928_2.png) [@Anynomous](https://forum.grin.mw/u/Anynomous)\
**Post date:** [May 22, 2023, 1:43pm UTC](https://forum.grin.mw/t/grin-hardware-wallet-development/10541/9 "2023-05-22T13:43:47Z")

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> [@ardocrat](#):
>
> SeedQR idea I like =)

Better have a device in agnostic mode, e.g. a [Pinephone](https://www.pine64.org/pinephone/) or [Librem 5](https://mobilityarena.com/librem-5-smartphone/) or [privacy phone](https://mobilityarena.com/privacy-smartphone/) with kill switches which can read slate-packs as QR sign them and show return slate as QR. Better to never have the seed leave the secure offline device/hardware-wallet. Problem is that they are expensive (500$ for Librem 5 or Privacy phone or 200$ for Pinephone or 399 for Pinephone (pro)).  
The best would probably be the Pine phone (pro) since it supports many linux OS. I do not have one but I am fairly certain I could compile the grin rust wallet or grin++ client to run on it, so it can be used as sort of hardware wallet, but it does lack a secure element.  
The development cost of this would be 0$ 😀

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