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At TezDev 2026, held during ETHCC in Cannes last week, Tezos co-founder Arthur Breitman argued that the next frontier for crypto is not gaming or NFTs, nor even just commodities, but the periodic table itself—framing it as a way to bring real-world industrial assets onto open ledgers.
Breitman said commodities are a better blockchain fit than securities because the regulatory status of spot commodities is, in many countries, more workable for blockchain use. He contrasted this with speculative crypto assets and the physical underpinnings of industrial economies.
His remarks positioned the launch of Uranium.io and Metals.io as the first coordinated attempt to tokenize the periodic table, beginning with uranium, gold, and strategic base metals. Breitman highlighted base metals such as cobalt and cadmium, along with other precious metals, and pointed to continued interest in materials including copper and lithium.
The uranium token, xU3O8, is described as representing physical yellowcake held in custody and traded 24/7. Breitman said tokenization on Etherlink could enable additional market structures as liquidity grows, including perps, which he characterized as an innovation drawn from the DeFi world.
Breitman also tied the effort to a broader principle: creating something that does not exist rather than trying to replace existing systems. He said the approach aligns with both the technology and the regulatory climate, aiming to support “long-tail commodity markets” that he described as underdeveloped.
Ben Elvidge, Head of Commercial Applications at Triltech, said the periodic table will serve as Metals.io’s product roadmap. He indicated that after uranium and gold, the expansion would target alloys, rare-earth oxides, and other verifiable assets tied to the industrial base.
Breitman and Elvidge’s stated goal is to bring real-world metals—tradable, divisible, and liquid—onto open ledgers. However, the article notes unresolved tensions about how commodities should be represented on-chain: whether they should be treated as continuous, model-driven payoff streams by exchanges, or whether token rails should require a clear mapping back to custody, regulation, and supporting documentation.
It also highlights a remaining industry question: who bears risk when volatile spot markets meet immutable code and fragmented regulation. In that context, the central issue is whether tokenization is genuinely re-wiring commodity finance or primarily rebuilding existing, concentrated structures on a faster settlement rail.

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