A unique creation in gold, blockchain certified and numbered.
More than jewelry, an investment.
A unique creation in gold, blockchain certified and numbered.
More than jewelry, an investment.
Gold in Block




More than jewelry, a timeless symbol
Join those celebrating the perfect alliance between the timeless elegance of gold and the bold innovation of Bitcoin. GoldInBlock, a unique 18k gold pendant, designed and crafted with excellence in France, combines artisanal expertise with cutting-edge modernity.
With a weight of 22 grams, each piece is stamped by French customs to ensure the quality of its alloy and certified on the blockchain using Ordinals technology, offering unparalleled traceability and exclusivity.
Gift yourself more than jewelry: a visionary symbol, bridging tradition and innovation.

More than jewelry, a timeless symbol
Join those celebrating the perfect alliance between the timeless elegance of gold and the bold innovation of Bitcoin. GoldInBlock, a unique 18k gold pendant, designed and crafted with excellence in France, combines artisanal expertise with cutting-edge modernity.
With a weight of 22 grams, each piece is stamped by French customs to ensure the quality of its alloy and certified on the blockchain using Ordinals technology, offering unparalleled traceability and exclusivity.
Gift yourself more than jewelry: a visionary symbol, bridging tradition and innovation.
The Family Legacy Uniting Gold and Blockchain
For 23 years, our family has been perpetuating excellence in jewelry-making, combining artisanal expertise with a passion for innovation. Today, we are redefining luxury by marrying timeless gold with the revolutionary technology of the Bitcoin blockchain.
Born from our bold vision, GoldInBlock represents a unique bridge between tradition and modernity, the tangible and the digital. By designing an 18-karat gold (750 parts per thousand) pendant certified on the Bitcoin blockchain through Ordinals, we offer more than jewelry: a true statement of trust in the resilience and eternity of Gold and Bitcoin.
Each medallion is a work of art, a rare collector’s item, and a timeless symbol of enduring value, designed to shine across generations.
A Unique Piece, Etched in the Blockchain
Every GoldInBlock pendant is an exclusive creation. Certified via the Bitcoin blockchain with Ordinals, it features a unique blockchain identifier and its own serial number, both precisely engraved on the edge, guaranteeing unmatched authenticity and traceability.
The Alliance of Craftsmanship and Technology
GoldInBlock combines meticulously crafted gold with the power of the Bitcoin blockchain to offer a modern and tamper-proof certification. This innovative piece of jewelry redefines traditional jewelry codes and embodies a new era of contemporary symbols.
Certified Quality, Without Compromise
Made of 18-karat gold, our jewelry merges exceptional craftsmanship with transparency. Each GoldInBlock piece includes a unique blockchain identifier and its serial number, precisely engraved, and is certified with an official stamp from French customs, guaranteeing the quality and reliability of the gold used.
More than jewelry,
An investment.
Behind the Scenes of Our Workshops
Dive into the behind-the-scenes creation process: discover every meticulous step that brings GoldInBlock to life, a jewel where French expertise meets innovation.
I wanted to create jewelry that reflects my conviction: gold is a proven store of value, and Bitcoin is becoming one. A unique, numbered, and blockchain-certified jewel for those who believe in the future of these two symbols of value.
Edouard Dubrana
FAQ
What is the manufacturing time?
The manufacturing time is 1 to 3 weeks, excluding delivery time.
What is 18-karat gold?
18-karat gold is an alloy composed of 75% pure gold, mixed with 25% other metals, typically divided into 12.5% copper and 12.5% silver.
Do you deliver internationally?
Yes, we deliver internationally. However, some countries require customs declarations or are subject to specific regulations. Contact us beforehand to verify the feasibility of your order.
Is shipping insured?
Yes, we work with international carriers such as DHL, UPS, FedEx, and La Poste. The total value of the package is insured during shipping, ensuring security in case of loss.
What is the serial number?
Each manufactured piece is tracked with a unique serial number assigned during production. This number is engraved on the edge, including for special editions.
What is Ordinals certification?
Ordinals certification is a digital certificate containing product information: creation date, material, weight, size, and serial number. This data is integrated into the Bitcoin blockchain, where a unique identifier is generated and engraved on the edge to ensure maximum security and authenticity.
What is Kalicertif certification?
The Kalichain certification is an additional layer of authenticity delivered physically with the order. It includes a printed version of the Ordinals certificate along with an unfalsifiable NFC tag that guarantees its validity.
What is the customs hallmark?
The gold used for each piece is verified by French customs. After thorough analysis, an eagle’s head hallmark is applied to certify that it is indeed 18-karat gold.
What is the weight of each piece?
The weight of each piece varies between 21 and 23 grams, depending on manufacturing losses and the bail (loop for the chain). These values pertain to standard medallions, excluding personalization.
Do you have physical stores?
Yes, we have three jewelry stores located in southern France, where we have been operating for 23 years. You can visit us to discuss your project in person.
Can I purchase a chain with my medallion?
Absolutely! We offer a wide range of chains. Contact us to view our catalog and obtain information about prices, lengths, and types of available chains.
Do you make medallions for other cryptocurrencies?
Yes, we can create custom designs for other cryptocurrencies such as ETH, etc. A one-month additional modeling time is required, along with an additional fee.
Is it possible to have other gold colors, like white or rose?
Yes, we can create your jewelry in white or rose gold. Simply specify it when placing your order.
Can I customize my medallion with precious stones like diamonds?
Absolutely. Contact us to discuss your project and verify its feasibility.
Do you create anything other than medallions?
Yes, we are currently working on designing rings and bracelets, which will be available in the near future. Feel free to follow us on our social networks or subscribe to our newsletter to stay informed.
