SMX Outlines Molecular Identity System for Gold Supply Chains
SMX (Security Matters) PLC said its molecular marking technology and trueGold platform are being developed to give gold a persistent identity connected to digital supply-chain records.
SMX (Security Matters) PLC said on October 6, 2026, that its molecular marking technology and trueGold platform are being developed to link physical gold with a persistent digital identity. The company said the system is designed to associate the metal with records covering its origin, composition, provenance and chain of custody as it moves through the supply chain.
#How the gold identification system is designed to work
According to SMX, an invisible molecular marker can be incorporated directly into gold. The marker is intended to remain associated with the material as it is refined, melted, recast, transported, stored, manufactured, recycled and resold.
SMX said the marker can be read and connected to a digital record. This approach is intended to keep information about the material linked to the physical gold, including when the metal changes form or changes hands.
The company said trueGold is being developed for use across several stages of the gold supply chain, starting with mining and refining and extending to bullion, jewellery and other finished products.
SMX said miners and refiners could use the system to record provenance and responsible sourcing information. Banks, vaults and custodians could use the identity when identifying physical holdings, while manufacturers and jewellers could access additional information about the origin and composition of metal entering their supply chains.
The system is also designed to support recycled gold. SMX said a documented history could remain associated with the material when it is melted, recast and returned to the market.
SMX said conventional gold certification can involve assays, refinery markings, serial numbers, certificates and custody documentation. Its proposed approach adds an identity incorporated into the material itself, rather than relying only on records kept separately from the gold.
The company described the initiative as part of its Digital Material Passport strategy. That strategy connects physical materials with digital information about origin, composition, authenticity, chain of custody and lifecycle.
For gold, SMX said the strategy could support a record running from mine to refinery, then to a vault or manufacturer, and onward through recycling and resale. The company is developing the technology rather than announcing a completed rollout across those stages.
SMX (Security Matters) PLC develops molecular traceability and material authentication technologies for physical materials, including solids, liquids and gases. The company identifies its shares as trading on NASDAQ under the ticker symbol SMX.
SMX said its molecular marking technology and trueGold platform can give gold a persistent digital identity embedded directly into the metal. The identity is designed to remain associated with the material through refining, melting, recasting, transportation, vaulting, manufacturing, recycling and resale.
SMX announced the technology on October 6, 2026. The announcement discusses applications across the gold lifecycle, from mining and refining through bullion, jewellery, finished products, recycling and resale.
SMX (Security Matters) PLC develops molecular traceability and material authentication technologies designed to strengthen supply-chain transparency and integrity across global industries. Its platform embeds invisible molecular markers into physical materials, including solids, liquids and gases, so they can carry a persistent identity that can be detected and verified throughout their lifecycle.
SMX said its technology embeds an invisible molecular marker directly into gold, creating a persistent identity that can remain associated with the material as it moves through the supply chain. That identity can be read and linked to a digital record.
SMX said the digital record can document the gold's origin, composition, provenance and chain of custody. The company's broader Digital Material Passport strategy also connects physical materials to information about authenticity and lifecycle.
SMX said trueGold is being developed for applications from mine and refinery through bullion, jewellery and other finished products. The system is also designed to preserve traceability as gold is transported, vaulted, manufactured, recycled and resold.
SMX said its infrastructure can support recycled gold by allowing the material to retain a documented history when it is melted, recast and returned to the market. The molecular identity is designed to remain linked to the digital record through those changes.
SMX said miners and refiners could use the technology to document gold's provenance and responsible sourcing. Gold can be assigned a molecular identity as it enters the supply chain, with information about its origin recorded digitally.
SMX said the technology could give banks, vaults and custodians another layer of confidence when identifying physical holdings. The identity can remain associated with the gold as it moves through transportation and vaulting.
SMX said traditional gold certification relies on assays, refinery markings, serial numbers, certificates and custody records, whereas its approach incorporates an identity into the material itself. The company said connecting that molecular identity to a digital record is designed to keep the material and its information linked as the gold changes ownership or physical form.
SMX's Digital Material Passport strategy connects physical materials to digital records containing information about origin, composition, authenticity, chain of custody and lifecycle. For gold, SMX said this could create a continuous record from mine to refinery, vault or manufacturer, and through recycling and resale.
SMX (Security Matters) PLC identifies its shares as trading on NASDAQ under the ticker symbol SMX.