Category: item

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COLDCARD Q case

This is a case for storing COLDCARD Q.
It is made of Dyneema, known as the “world’s strongest fiber.”

Size

20.0 × 10.0 × 0.1cm(approx.)

Price

84,000 sats (0.00084 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

Dyneema

  • Approximately 15 times stronger than steel by weight
  • So light it floats on water
  • Resistant to tearing, abrasion, and UV rays
  • Used in outdoor, sports, military, and medical applications
  • Initially, the fabric is stiff, but over time it wrinkles, softens, and develops a unique character with use

Notes

  • Due to the fabric’s characteristics, wrinkles may occur during production.
  • While the fabric is water-resistant, the case itself is not completely waterproof.
  • Dyneema is sensitive to heat, so be cautious around campfire sparks and other sources of heat.

Dyneema Official Website
https://www.dyneema.com

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Bitcoin Pouch

I made a pouch using original fabric with a Bitcoin motif.

Size

20.5 × 10.0 × 0.5cm(approx.)

Price

40,000 sats (0.0004 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

Pouch A: Bitcoin

The fabric was designed with cuteness in mind.
It combines traditional Japanese patterns.

Pouch B: Satoshi

Front side
Back side

This pouch contains a proverb related to Satoshi Nakamoto,
“If you don’t believe me or don’t get it, I don’t have time to try to convince you, sorry.”
“We Are All Satoshi.”

I aimed to create a product that would not be obvious at first glance as a Bitcoin item.

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Japanese-style coaster

This is a coaster created with the theme of Bitcoin × Japan.

It combines traditional Japanese patterns with characters and phrases related to Bitcoin.

Size: 10.0 × 10.0 × 0.2 cm (approx.)

Price

8,400 sats (0.000084 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

Coaster A: Badger-kun

Motif: Badger-kun, the character from Bitcoiner Reflection Meeting.
The reverse side features the Yagasuri pattern.

Coaster B: Bitcoin Puppet

Motif: Bitcoin Puppet, the character from Spiral.
The reverse side features the Asanoha pattern.

Coaster C: Japan

Motif: Items reminiscent of Japan combined with the Ichimatsu pattern.
The reverse side features the Karakusa pattern.

Coaster D: Satoshi

Motif: A famous quote from Satoshi Nakamoto: “If you don’t believe me or don’t get it, I don’t have time to try to convince you, sorry.” combined with a Japanese-style pattern.
The reverse side features the Yoshihara Tsunagi pattern.

About Traditional Patterns

Yagasuri Pattern
A pattern inspired by arrow feathers. It depicts a “hamaya,” an arrow believed to ward off evil and bring good fortune. There was a custom of giving kimonos with Yagasuri patterns to daughters when they got married to symbolize that they would not return home, as arrows, once shot, do not come back but fly straight.

Asanoha Pattern
A geometric pattern based on regular hexagons, resembling hemp leaves. Hemp is known for its strong vitality, and in the Edo period, kimonos with Asanoha patterns were worn by children as a prayer for healthy growth and protection from evil.

Ichimatsu Pattern
A pattern consisting of two-colored squares arranged in a checkerboard fashion. It symbolizes eternity and prosperity due to its uninterrupted, continuous design.

Karakusa Pattern
A pattern of intertwined vine plants forming curves. Its strong vitality and continuous vine growth symbolize prosperity and longevity. In Japan, Karakusa patterns are sometimes depicted on the cloth carried by thieves, which originates from the past when every household had cloths with Karakusa patterns that thieves used to wrap stolen goods.

Yoshiwara Tsunagi Pattern
A pattern resembling interconnected chains, named after the Yoshiwara pleasure district in Edo, where it was said that once someone entered, they could not easily leave. The pattern’s imagery of interconnected chains symbolizes rich human relationships and good connections.

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Wallet pouch

A pouch embroidered with a Bitcoin proverbs, sized to fit a hardware wallet.

Three Sizes Available

S: For Ledger Nano S, Trezor and Jade
M: For COLDCARD Mk4
L: For COLDCARD Q

The L size has a divider inside the pouch to separate items like batteries.

Size: S
Size: M
Size: L

Size

S：10.5 × 6.5 × 1.0cm (approx.)
M：12.5 × 8.0 × 1.0cm (approx.)
L：18.5 × 11.0 × 1.0cm (approx.)

Price

S：25,000 sats (0.00025 BTC)
M：30,000 sats (0.0003 BTC)
L：40,000 sats (0.0004 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

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Japanese Style Kinchaku

Bitcoin pattern

I created a traditional Japanese square drawstring bag, known as a Kinchaku, using fabric with a Bitcoin theme.
It has a square bottom and retains its square shape even when the drawstring is pulled tight.

It’s just the right size for carrying essentials like your smartphone.

Size：W 13.0 × H 17.0 × D 13.0cm (approx.)

There is a square piece of cloth at the bottom to add strength.

Price

100,000 sats (0.001 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

Bitcoin pattern

I created original fabric with a Bitcoin theme.
To give it a cute and playful look, I featured round items like pizza, oranges, clocks, and keys arranged in a dotted pattern.

Bitcoin puppet pattern

I have created merchandise for Spiral’s character, the Bitcoin Puppet.
Spiral is also responsible for the Lightning Development Kit (LDK) and has released characters that can be used as open source.

B.B.Bear pattern

MakingWaves’ original character, a bear (Bear) that holds (Bear) Bitcoin (Bitcoin).
It wears a traditional Japanese jinbei and engages in Bitcoin-related activities.

This character was created not for goods that prominently display Bitcoin, but for items that can be used in everyday life, with the idea of “actually being Bitcoin-related but also practical for daily use.”

＜Kinchaku＞
A bag that opens and closes by pulling on drawstrings.
It has been used in Japan for centuries and is known as a “Drawstring Bag” overseas.

Drawstring bags with a square bottom are a traditional Japanese design.
They are lightweight and can be folded compactly.
These bags pair well with traditional Japanese clothing like yukata and jinbei, and are often used to carry small items during festivals and events.
Depending on their specific design, they are sometimes referred to as Shingenbukuro.

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Round Drawstring Bag

Size：14.0 × 17.5 × 1.0cm (approx.)

This is a handmade round drawstring bag with an embroidered Bitcoin logo.

I wanted to create an item that is immediately recognizable as Bitcoin merchandise, so I designed the drawstring bag to form a round shape like the Bitcoin logo when it is pulled tight.

Price

40,000 sats (0.0004 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

＜Kinchaku＞

A kinchaku bag can be opened and closed by pulling the strings. Historically, it was used to carry valuables. Today, it serves various purposes such as carrying daily small items and lunch boxes.

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Drawstring Lunch Bag

This lunch bag is a combination of a Japanese-style drawstring bag and a mini bag, making it easy to use on an everyday basis.

Size：W 21.0 × H 15.0 × D 13.0cm (approx.)

Price

120,000 sats (0.0012 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

Product introduction

Mikan pattern

Drawing inspiration from Bitcoin and the color orange, I used fabric with a pattern of “Mikan,” a type of tangerine commonly enjoyed in Japan, and fabric featuring the “Asanoha” pattern, which evokes the appearance of an orange cross-section.

While this handmade item is inspired by Bitcoin, I aimed for a subtle design that is suitable for everyday use.

Bitcoin puppet pattern

I have created merchandise for Spiral’s character, the Bitcoin Puppet.
Spiral is also responsible for the Lightning Development Kit (LDK) and has released characters that can be used as open source.

＜Kinchaku＞

A bag that opens and closes by pulling on drawstrings.
It has been used in Japan for centuries and is known as a “Drawstring Bag” overseas.
Traditionally, it was used to carry valuables, but nowadays, it is commonly used for everyday items like small accessories or lunch boxes.

＜Mikan＞

Mikan is a type of mandarin orange, and many Japanese people think of mikan when they hear the word “orange.” It is a quintessential winter fruit in Japan, often enjoyed while sitting under a kotatsu, evoking the feeling of winter.

＜Asanoha pattern＞

The Asanoha pattern is a geometric design made up of regular hexagons, named after the shape of hemp leaves. Hemp grows rapidly, and the Asanoha pattern has been traditionally used to symbolize the wish for growth.

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Japanese style wallet pouch

This wallet pouch combines traditional Japanese fabric with embroidered Bitcoin proverbs.

Three Sizes Available

S: For Ledger Nano S, Trezor and Jade
M: For COLDCARD Mk4
L: For COLDCARD Q

The L size has a divider inside the pouch to separate items like batteries.

Size

S：10.5 × 6.5 × 1.0cm (approx.)
M：12.5 × 8.0 × 1.0cm (approx.)
L：18.5 × 11.0 × 1.0cm (approx.)

Price

S：50,000 sats (0.0005 BTC)
M：58,000 sats (0.00058 BTC)
L：70,000 sats (0.0007 BTC)

Shipping fee not included (varies depending on delivery destination)

*If you reside outside of Japan, additional costs such as customs duties, value-added tax (VAT), and customs clearance fees may be incurred. Please note that these costs are the responsibility of the buyer. Please check with your country’s customs office for details.

Please check the Shipping and Delivery page for shipping charges.

About the fabric

＜Nishijin brocade (wave, cherry blossom)＞
Traditional textile made in Kyoto.
Traditional textile made in the Nishijin area of Kyoto. Using beautifully colored threads and intricate weaving techniques, gorgeous patterns are created.
Among Nishijin brocade fabrics, those with patterns woven with gold and silver threads are called “Kinran.

Reference: 西陣織とは（What is Nishijin brocade?)
https://nishijin.or.jp/whats-nishijin/

＜Bingata＞
Bingata is a traditional dyeing technique from Okinawa, Japan.
It is characterized by vivid colors and intricate patterns, often depicting nature themes.
Yellow, the representative color of Bingata, was considered a noble color, and only royalty were allowed to wear it during the Ryukyu Kingdom period.

Reference：琉球びんがたとは(What is Ryukyu Bingata?)
https://bingataconsortium.com/lp/intro/