RT by @sesi_the_man: Build an offline, #airgap Bitcoin signing device with a #RaspberryPi Pi Zero for less than $50 https://github.com/SeedSigner/seedsigner #DIY
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Tom Dörr (@tom_doerr)
Build an offline, airgapped Bitcoin signing device with a Raspberry Pi Zero for less than $50
https://github.com/SeedSigner/seedsigner
https://github.com/SeedSigner/seedsigner