Build an offline, air-gapped #Bitcoin signing device for less than $50. SeedSigner/DIY Cases: https://btc-hardware-solutions.square.site/
Followers
B2B importing, exporting, wholesaling using Bitcoin as main payment method.
Build an offline, air-gapped #Bitcoin signing device for less than $50. SeedSigner/DIY Cases: https://btc-hardware-solutions.square.site/
