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Born out of necessity, built to last and chosen to immortalize your legacy.

Adequate personal bitcoin security is a daunting challenge – one that will not forgive many mistakes. Every user’s situation regarding technical understanding and personal priorities, threat model and risk tolerance is fundamentally unique which renders generalized advice insufficient at best, dangerously confusing at worst.

To achieve a level of security you can feel comfortable with you need to find the right trade-off between cost, privacy, complexity, and failure tolerance. We would highly encourage you to take your time before choosing your setup and documenting your progress along the way. Feel free to reach out to us regarding any questions you may have or support you may need.

We cannot tell you what is best for your individual situation, but we can do our best to provide tools to aid you on your journey.

OFFICIAL Products

SeedSigner - Open Pill

The SEEDSIGNER is an offline device for signing air-gaped bitcoin transactions made of off-the-shelf components in a 3D-printed enclosure. This product was developed by the free open source SEEDSIGNER project.

To support future development, 21% of all SEEDSIGNER product revenue is donated to the SEEDSIGNER development fund.

donate to seedsigner

SEEDMINT

The SEEDMINT is a tool designed to easily secure your 12 or 24 bitcoin backup words (mnemonic seed phrase) on highly durable V4A stainless steel washers.

STEELQR - S24

The SteelQR S24 can secure your 24 word seed as a standard qenerically readable QR-code on 3mm strong V4A Stainless Steel.

The STEELQR is a storage solution made of military grade V4A stainless steel designed as a free and open source hardware product under the GPLv3 licence. Its purpose is to secure your 12 or 24 word bitcoin backup words (mnemonic seed phrase). Your seed can be encoded as a QR-code using a SEEDSIGNER signing divice and stamped on the STEELQR with a automatic or manual center punch.

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund.

donate to seedsigner

STEELQR - CS124

The SteelQR CS124 can secure your 12 word seed as a standard qenerically readable QR-code on 3mm strong V4A Stainless Steel. Optionally it can secure your 24 word seed as a custom compact QR-Code format supported by seedsigner. CAUTION: The compact Format will not be readable with any device other than the seedsigner.

The STEELQR is a storage solution made of military grade V4A stainless steel designed as a free and open source hardware product under the GPLv3 licence. Its purpose is to secure your 12 or 24 word bitcoin backup words (mnemonic seed phrase). Your seed can be encoded as a QR-code using a SEEDSIGNER signing divice and stamped on the STEELQR with a automatic or manual center punch.

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund.

donate to seedsigner

STEELQR - C12

The SteelQR C12 is the smallest format supported. It can secure your 12 word seed as a custom compact QR-Code format supported by seedsigner. This Format will not be readable with any device other than the seedsigner. The STEELQR is a storage solution made of military grade V4A stainless steel designed as a free and open source hardware product under the GPLv3 licence. Its purpose is to secure your 12 or 24 word bitcoin backup words (mnemonic seed phrase). Your seed can be encoded as a QR-code using a SEEDSIGNER signing divice and stamped on the STEELQR with a automatic or manual center punch.

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund.

donate to seedsigner

STEELQR - C12 onboarding Card

The SteelQR C12 ONBOARDING card is a 1mm strong credit card sized SteelQR you can carry in your wallet. iT IS THE IDEAL iTEM FOR QUICK BITCOIN SHILLS AND EFFECTIVE PHYSICAL ONBOARDING. the C12 Card relies on the smallest format supported. It can secure your 12 word seed as a custom compact QR-Code format supported by seedsigner. Caution: This Format will not be readable with any device other than the seedsigner. Due to the thickness It is less mechanically durable than the 3mm strong S12 and S24 SteelQRs but very lightwheight and extremely portable.

The STEELQR is a storage solution made of military grade V4A stainless steel designed as a free and open source hardware product under the GPLv3 licence. Its purpose is to secure your 12 or 24 word bitcoin backup words (mnemonic seed phrase). Your seed can be encoded as a QR-code using a SEEDSIGNER signing divice and stamped on the STEELQR with a automatic or manual center punch.

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund.

donate to seedsigner

BUNDLES

SEEDMINT - ESSENTIAL BUNDLE

This essential bundle will provide the basic items necessary to secure your bitcoin seeds:

1x SEEDMINT
1x letter punch set (0-9)
1x numbler punch set (a-z, &)
1x 65 ml bottle of Ballistol silicone oil

You will only need to independently source bolts, nuts, washers as well as a hammer. Find all recommended specifications here.

SEEDMINT - EXTENSIVE BUNDLE

This extensive bundle will provide the full set of recommended items necessary to secure your bitcoin seeds right out of the box:

1x SEEDMINT
1x letter punch set (0-9)
1x numbler punch set (a-z, &)
1x 65 ml bottle of ballistol silicone oil
210x washer V4A stainless steel
3x screw M6x60 V4A stainless steel
3x screw M6x35 V4A stainless steel
6x self-locking nut M6 V4A stainless steel
1x blacksmith hammer
3x titanium screw-down washer capsule

SEEDMINT - EXCLUSIVE BUNDLE

This exclusive bundle will provide the entire colection of items available for the SeedMint to secure your bitcoin seeds. Additionally we will engrave the faceplate of the seedmint with a custom logo, name or phrase of your chosing. The following is included:

1x SEEDMINT – CUSTOM ENGRAVED
1x letter punch set (0-9)
1x numbler punch set (a-z, &)
1x 65 ml bottle of ballistol silicone oil
210x washer V4A stainless steel
3x screw M6x60 V4A stainless steel
3x screw M6x35 V4A stainless steel
6x self-locking nut M6 V4A stainless steel
1x blacksmith hammer
3x titanium screw-down washer capsule

STEELQR - ESSENTIAL BUNDLE

This essential bundle will provide the basic items necessary to secure your bitcoin seed in QR-code form on the SteelQR:

pick your prefered SteelQR format
select 1, 3 or up to 6 SteelQRs per bundle
chose between:
- 1x manual center punch
- 1x automatic center punch

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund. If you wish to support SeedSigner directly follow the link below.

donate to seedsigner

STEELQR - EXTENSIVE BUNDLE

This extensive bundle will provide the full set of recommended items necessary to secure your bitcoin seeds right out of the box. In comparison to the essential bundle you will recieve both center punch options as well as a solid steel anvil to garantee optimal results:

pick your prefered SteelQR format
select 1, 3 or up to 6 SteelQRs per bundle
1x manual center punch
1x automatic center punch
1x solid steel anvil

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund. If you wish to support SeedSigner directly follow the link below.

donate to seedsigner

STEELQR - EXCLUSIVE BUNDLE

With this bundle you will recieve the entire set of SteelQR products. This is the ultimate set to test all four available SteelQR format options as well as both stamping tools. The included solid steel anvil will provide an optimal surface for best stamping results.

all four available SteelQR formats included
select 1, 3 or up to 6 of all four SteelQR formats per bundle
1x manual center punch
1x automatic center punch
1x solid steel anvil

21% of all profits resulting directly from SteelQR sales will be donated to the SeedSigner development fund. If you wish to support SeedSigner directly follow the link below.

donate to seedsigner

ESSENTIAL TOOLS

PRYOR 2mm LETTER PUNCH SET

This 27 piece letter punch set (A-Z, &) are intended as ESSENCIAL TOOLS for the SEEDMINT and can also be used to stamp additional information, notes or master fingerprint onto our STEELQRs.

PRYOR 2mm NUMBER PUNCH SET

This 10 piece number punch set (0-9) are intended as ESSENCIAL TOOLS for the SEEDMINT and can also be used to stamp additional information, notes or master fingerprint onto our STEELQRs.

SEEDMINT WASHER BACKUP

This set will provide you with the full range of parts needed to create your secure stainless steel seed backup using the SEEDMINT.

Each washer is placed into the SEEDMINT individually and then stamped with the index number (01-12 or 01-24) as well as the respective seed word. This will result in 12 or 24 washers that can be secured by a stainless steel bolt and self locking nut.

Automatic center punch

This center punch is self-impacting – aim the tip and apply downward pressure to compress the integrated spring until it releases – no hammer needed for center punching.
The impact force is continuously adjustable in the range of 180 N to 250 N.
The replaceable center punch tip is made of hardened steel and the rubberized ergonomically shaped handle will provide comfortable use without fatigue.

Self impacting
adjustable from 180 N to 250 N impact force
Replacable tip
Essential tool for: STEELQR

Swiss made professional Center Punch

This high quality center punch is defined by a strong octagonal shaft and hardened polished tip which leads to a effective reduction of wear with use.

Size: 10 mm x 120 mm
60° tip angle
Material: chrome vanadium steel, chrome-plated
Made in Switzerland according to DIN 7250
The tempered punch head prevents chipping effectively
Essential tool for: STEELQR

STEEL ANVIL

This solid steel anvil provides an ideal surface to stamp your SteelQRs. It allows optimal resistance to the force of the center punch which leads to consistand punching results. The resistance of the hard surface also prevents the SteelQR from warping after multiple punches and it also protects all surfaces you’d alternatively stamp on.

Dimensions: 80 mm x 80 mm x 30 mm
Material: C45 Quenched and tempered steel

Accessories

SEEDBLING

The SeedBling is a necklace pendant with the SteelQR C12 Format engraved on it. It is fully funcional as a durable and extremely compact seed storage solution – Not to mention the looks…

Material: Military grade V4A stainless steel
Dimensions: 35 mm x 25 mm x 1.5 mm

50% of all profits resulting from ACCESSORIES related to specific projects will be donated to the project directly if ACCEPTED. Alternatively they will go towards open source development at our Discretion.

TAGS

Aluminium dogtags in black and silver on a stainless steel ball chain precisely laser engraved with iconic equasions, documents and code. The following are currently available:

bitcoin genesis block
a cypherpunks manifesto
∞/21M

50% of all profits resulting from ACCESSORIES related to specific projects will be donated to the project directly if ACCEPTED. Alternatively they will go towards open source development at our Discretion.

more options to come in soon…

bottle opener

A lightwheight aluminium keyring bottle opener in bitcoin orange engraved with a range of motives. Many more options to come in the future. currently the following versions are available:

∞/21M
Seedsigner
vulcan

50% of all profits resulting from ACCESSORIES related to specific projects will be donated to the project directly if ACCEPTED. Alternatively they will go towards open source development at our Discretion.