hardware wallet The ColdCard Guides A collection of video guides that will help you setup and use your ColdCard to its full potential.
hardware wallet The SeedSigner guides A collection of video guides covering SeedSigner: an open source, DIY Hardware Wallet/Signing device
wallets How to build a SeedSigner: DIY hardware wallet How to build your own SeedSigner: A fully open source, DIY bitcoin hardware wallet.
hardware wallet How to verify and update Coldcard firmware How to verify the latest coldcard firmware and load it onto your coldcard hardware wallet.