You can use a usb data stick or you could use an SD card or anything that can transfer the signed transfer.

Test the process with a very small transaction to check you can do it correctly.

> The Master Public Key of your wallet is the string shown in this popup window. Transfer that key to your online machine somehow.

How do you move from offline computer to online? USB? Or QR?

I have warned about third party HWs for more than 5 years.

Some people are just lazy idiots who will only learn the hard way...if at all.

Most 'Bitcoiners' and 'Libertarians' are not freedom fighters- they are hypocrites and remain SILENT while the US government sponsors The Greater Israel land grab and genocide.

They bought these third party gadgets rather than learning how to DIY cold storage because they are conformist sheep.

https://electrum.readthedocs.io/en/latest/coldstorage.html

https://www.fosslinux.com/10212/how-to-install-a-complete-ubuntu-on-a-usb-flash-drive.htm

news

bitcoin

Losses Climb to $112m: State of Coldcard Investigation - Alex Thorn

Scoresby

I have warned about third party HWs for more than 5 years.

Some people are just lazy idiots who will only learn the hard way...if at all.

Most 'Bitcoiners' and 'Libertarians' are not freedom fighters- they are hypocrites and remain SILENT while the US government sponsors The Greater Israel land grab and genocide.

They bought these third party gadgets rather than learning how to DIY cold storage because they are conformist sheep.

![](https://m.stacker.news/152312)

DIY cold storage-

https://electrum.readthedocs.io/en/latest/coldstorage.html

https://www.fosslinux.com/10212/how-to-install-a-complete-ubuntu-on-a-usb-flash-drive.htm