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1st choice: https://seedsigner.com

2nd: coldcard

Nothing else is worth it.

Def missed this - but open source, DIY, RPi build? it has my attention. Ty for the tip!

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Super active telegram group too. It’s all off the shelf hardware so no worries about getting in a bitcoin list.

Lots of options when it comes to cases and looks too. I have two. One 3D printed. And one aluminum beauty.

Happy to help if you have any questions about it.

Ty for the info and tips on customization!

It looks like there’s lots of room for options on case sizing too if one wanted a more scaled down model - it doesn’t really get more open source than this.

Even their pre-assembled component kits looks fun to put together.

Definitely a fun project! But also super practical. And you can’t say zero, but super limited attack vector. It’s stateless and doesn’t connect to the internet. Ever.