Open Source Hardware Wallet for XMR?

[Abiky]

Are there any good open source hardware wallets which supports Monero/XMR? Don't want to use a compromised wallet like Ledger for my XMR funds. Sadly, the popular Blockstream Jade open source HW only supports BTC. But since it's "open source", maybe someone has figured out a way to make it work with Monero?

Any suggestions and/or recommendations would be greatly appreciated. Thanks in advance.

[ryzaadit]

If not wrong, someone mentioned (Kastelo) as a hardware wallet open source.

However, I don't know the update or perhaps reviews some people about these one. I only found some video these one: https://www.youtube.com/watch?v=RaFas9Hs1fA. Perhaps, you can discuss with (Monero) community for searching more information about (Kastelo).

IDK, If these things still in prototype or already fully running.

[Bureau]

As ryzaadit replied above Kastelo is an open source wallet exclusive to XMR but it is not that reliable at the moment. I think it would be better for you to create an airgap wallet using Monero GUI Wallet.

If you have a big amount to be stored in a cold wallet it is better to believe those who created XMR. It is better to take control of your own money than relying on a third party.

[BitMaxz]

How about Trezor? It seems it supports Monero have you checked both model T and safe3?

Check this link https://trezor.io/learn/a/monero-xmr-on-trezor-model-t-and-trezor-safe-3

I also found Passport it seems they have a separate firmware only for Monero support check the firmware from this link below

- https://github.com/mjg-foundation/passport2-monero

[Stalker22]

Any suggestions and/or recommendations would be greatly appreciated. Thanks in advance.

The Feather wallet (open source) is also compatible with Trezor hardware wallets, so you can use that combination if you dont like the Trezor Suite app.

https://docs.featherwallet.org/guides/hardware-wallet-support

[JeromeTash]

How about installing an open source monero wallet on an old device that is air gapped (completely not connected to the internet)?

Probably running Linux OS.
Not that's an open source hardware wallet created by you and it's cheap 

[Abiky]

How about Trezor? It seems it supports Monero have you checked both model T and safe3?

Check this link https://trezor.io/learn/a/monero-xmr-on-trezor-model-t-and-trezor-safe-3

I also found Passport it seems they have a separate firmware only for Monero support check the firmware from this link below

- https://github.com/mjg-foundation/passport2-monero

I've read that Trezor had some flaws/vulnerabilities regarding the mechanism used to secure the seed (using a passphrase). Not sure if that's been addressed already, though. I'd try out the Passport wallet with the Monero-supported firmware. The device looks nice, although it has a hefty price tag. If there was any cheaper alternatives, it would've been better.

The Feather wallet (open source) is also compatible with Trezor hardware wallets, so you can use that combination if you dont like the Trezor Suite app.

https://docs.featherwallet.org/guides/hardware-wallet-support

Good to know. If Trezor is a rock-solid choice in terms of security/reliality, what could go wrong? Not sure if I'll get this one or the Passport.

How about installing an open source monero wallet on an old device that is air gapped (completely not connected to the internet)?

Probably running Linux OS.
Not that's an open source hardware wallet created by you and it's cheap 

Thanks for your suggestion. But I'm more into mobile devices than PCs. Particularly Android. An open source hardware wallet + Android would be the ideal setup for me. I will keep this in mind if I want to put my XMR in cold storage, though.

[BitMaxz]

I've read that Trezor had some flaws/vulnerabilities regarding the mechanism used to secure the seed (using a passphrase). Not sure if that's been addressed already, though. I'd try out the Passport wallet with the Monero-supported firmware. The device looks nice, although it has a hefty price tag. If there was any cheaper alternatives, it would've been better.

It's an old issue and I think it was solved before but if you were afraid of vulnerabilities then go with a passport the only problem is it's a bit expensive compared to Trezor.

Why not if you have an extra device that you don't usually use online make a cold storage Monero wallet and watch-only wallet for online devices?
I have never done this except on a BTC wallet but I heard you can also do that in Monero check this link below for how offline transaction works the advantage here you don't need to buy a new hardware wallet.

- https://monero.stackexchange.com/questions/2160/how-do-i-use-cold-transaction-signing

[Abiky]

It's an old issue and I think it was solved before but if you were afraid of vulnerabilities then go with a passport the only problem is it's a bit expensive compared to Trezor.

Why not if you have an extra device that you don't usually use online make a cold storage Monero wallet and watch-only wallet for online devices?
I have never done this except on a BTC wallet but I heard you can also do that in Monero check this link below for how offline transaction works the advantage here you don't need to buy a new hardware wallet.

- https://monero.stackexchange.com/questions/2160/how-do-i-use-cold-transaction-signing

Or maybe I could use an old Android phone and create a new XMR wallet with monerujo without ever connecting it to the Internet. Cold storage is a great option for securing XMR long-term. But I'm more inclined into something that gives you the "best of both worlds". Something that's secure and can be used for daily payments. The only thing that meets such criteria is a hardware wallet.

On the open source side, it seems that my options are limited. I guess the Passport wallet is the best choice available right now (although expensive). Blockstream's Jade is even cheaper but only supports BTC. But since it's open source, maybe someone will find a way to make it work with Monero? Hopefully, that'll be the case in the long run.

[Hispo]

I think the ideal way to go would be to buy a Trezor Hardware wallet and connecting it to an open source woftware wallet which has flawless compatibility with Trezor, I believe feather is a good one, I have not used it yet, though, only reviews.
Also, You could go with the Monero official client, which is also compatible with hardware wallets manufactured by Trezor.

Though, you should be aware Trezor has been abandoned by some people since satoshilabs decided to use a Coinjoin coordinator which is not "reliable", basically, it is one of those coordinators who take in consideration whether the Bitcoins being mixed are tainted or not, that put many people down from further supporting Trezor.
If that is not a problem to you and you like Monero as a project, then I would say you go for it and try to buy the Trezor 3 model, instead the more expensive/deluxe version called Trezor T.

If you decide to purchase one of those I would personally value your feedback and opinions on your experience, so anyone here also interested on purchasing a Trezor to store monero can know whether it is worth it or not. Good luck !