cold storage

SeedSigner: DIY Bitcoin Signing Device

May 27, 2022
bitcoin, hodl, cold storage, private keys, security

This comprehensive how-to guide walks you through unboxing, setting up and signing bitcoin transactions with the air-gapped SeedSigner device. This guide by @econoalchemist was published in Bitcoin Magazine. Contribute. This guide demonstrates how to self-custody bitcoin using the SeedSigner. SeedSigner is a project that brings together free and open-source code, inexpensive and general-purpose hardware, and a do-it-yourself (DIY) approach to taking personal responsibility of your bitcoin. Source Unboxing # This section demonstrates what is included in the full SeedSigner kit. ...

What is Coldcard?

July 3, 2020
bitcoin, hodl, cold storage, hardware wallet, security

This guide by Bitcoin Q+A was published on bitcoiner.guide website. Contribute. What is Coldcard? # Coldcard is a hardware wallet designed by the Coinkite team. A hardware wallets is a device with one main purpose, to keep your bitcoin private keys safe and secure. Anyone with access to your private keys has access to all of the bitcoin in that wallet. Coldcard does not come with its own app or any additional software. ...