SeedSigner+ Self-Custody Bundle
The SeedSigner+ Self-Custody Essentials Bundle combines three practical tools for a focused Bitcoin self-custody setup: a SeedSigner+ DIY Kit with 3D-printed case, a ColdQR Titanium SeedQR backup, and a CryptoMachine USB Data Blocker.
The bundle is designed around three core jobs: sign Bitcoin transactions air-gapped, create a durable physical backup, and power USB devices without a USB data connection.
What Is Included?
-
SeedSigner+ DIY Kit with 3D-Printed Case
– Offline, air-gapped Bitcoin signing hardware with your choice of case. -
ColdQR Titanium SeedQR
– Durable titanium backup available in 21×21 or 25×25. -
USB Data Blocker
– Power-only USB connectivity with the data lines physically blocked.
SeedSigner+ case options are selected when ordering. The bundle keeps the setup focused without adding unrelated accessories or forcing the purchase of node hardware.
How the Bundle Works Together
SeedSigner+ for Air-Gapped Bitcoin Signing
SeedSigner+ is an offline Bitcoin signing device designed for air-gapped wallet workflows. It allows Bitcoin wallet information and transactions to be handled using QR-based communication rather than a permanent USB or network connection.
The CryptoMachine kit includes the SeedSigner+ hardware and a 3D-printed case. Each hardware kit receives a basic power-on test before shipment.
ColdQR Titanium SeedQR for Physical Backup
ColdQR provides a durable titanium backup option for storing Bitcoin recovery information in physical form.
It complements the SeedSigner+ workflow by giving the user a dedicated long-term backup medium separate from the signing device itself.
USB Data Blocker for Power-Only USB Use
The CryptoMachine USB Data Blocker allows USB power to pass while physically blocking the USB data lines.
This makes it useful when a device needs USB power but no USB data connection is required.
Why Bundle These Products Together?
Bitcoin self-custody involves more than owning a signing device. A complete setup also needs a plan for backup and a practical way to power offline hardware.
- Sign: SeedSigner+ handles offline, air-gapped signing.
- Back up: ColdQR provides a durable titanium recovery backup.
- Power: The USB Data Blocker provides power-only USB connectivity.
The result is a compact self-custody bundle built around tools that perform separate, useful roles without unnecessary extras.
Who Is This Bundle For?
This bundle is intended for Bitcoin users who want to build or improve an offline self-custody setup using a dedicated signing device and physical backup.
It can be useful for users building their first SeedSigner+ setup as well as experienced Bitcoiners who want a complete signing and backup package in one purchase.
Important Notes
- The SeedSigner+ is supplied as a DIY kit.
- A microSD card is not included unless specifically stated elsewhere on the product page.
- CryptoMachine performs a basic hardware power-on test before shipment.
- Basic testing does not include wallet creation, seed generation, wallet setup, or customer-specific software configuration.
- Never use demo seed words, demo QR codes, or recovery information shown in videos, photos, or tutorials for real funds.
- The buyer is responsible for securely creating, recording, verifying, and protecting their own wallet recovery information.
Frequently Asked Questions
What comes in the SeedSigner+ Self-Custody Essentials Bundle?
The bundle includes a SeedSigner+ DIY Kit with a 3D-printed case, a ColdQR Titanium SeedQR, and a CryptoMachine USB Data Blocker.
Does the bundle include a Bitcoin node?
No. Node hardware is not included. The bundle is focused specifically on offline signing, physical backup, and power-only USB connectivity.
Does the bundle include dice for seed generation?
No. Dice are not included in this bundle. This package is focused on SeedSigner+, titanium backup, and USB power isolation.
Is SeedSigner+ air-gapped?
SeedSigner+ is designed for offline, air-gapped Bitcoin signing workflows using QR-based communication.
What does the USB Data Blocker do?
The USB Data Blocker allows USB power to pass while blocking the USB data lines, creating a power-only USB connection.
Why use a titanium backup with SeedSigner+?
The SeedSigner+ is used for signing, while the ColdQR Titanium SeedQR provides a separate physical backup medium for wallet recovery information. Keeping signing hardware and backup media as separate parts of the setup creates a clearer self-custody workflow.
