From Farts to First Tweets: The Bizarre Evolution of Real-World Asset Tokenization

Brazil’s B3 stock exchange made headlines last month when its tokenized cows went viral. A farmer in southern Brazil was able to use 10 cows as collateral for a 100,000 Brazilian real ($19,600) loan by virtually herding them into a blockchain-based holding pen, demonstrating how farmers can literally milk their assets to access credit. And it raises an obvious question: if cows can be tokenized, what can’t be?

As financial institutions and market leaders increasingly look toward distributed ledger technology to revolutionize traditional finance, the scope of what can be represented onchain has expanded into deeply unconventional territory. When BlackRock chief executive Larry Fink stated that every asset will eventually be tokenized, he likely envisioned corporate bonds, real estate, and government treasuries. Yet, the broader movement has frequently crossed into eccentric, highly idiosyncratic experiments. From dairy cattle and a year’s worth of human flatulence to physical commodities and literal body parts, the tokenization landscape reflects both the immense potential and the wild novelty of blockchain applications.

Examining this phenomenon reveals a surprisingly diverse spectrum of assets that have made their way onto the blockchain, often testing the limits of liquidity, legal frameworks, and common sense.

1. A Year’s Worth of Farts

When BlackRock’s Larry Fink predicted the inevitable tokenization of all global assets, he probably wasn’t thinking about flatulence. Yet, that is precisely what happened during the height of the COVID-19 pandemic. While much of the global population turned to baking sourdough bread or learning new languages on language apps, filmmaker Alex Ramírez-Mallis decided to record his own flatulence and mint each sound byte as a non-fungible token (NFT).

While the appeal of owning a year’s worth of digestive sounds is debatable, the project quickly became a contender for the strangest asset ever recorded onchain. Leaning heavily into the novelty factor of the era’s NFT craze, Ramírez-Mallis successfully sold his creations for 0.05 ether each, amounting to roughly $85 per token at the time. The endeavor served as a tongue-in-cheek proof of concept that in the digital collectibles market, virtually every asset can theoretically find a price.

2. Cows and Livestock Financing

Moving from digital novelty back to tangible agricultural finance, the tokenization of 10 Brazilian cows represents a far more practical, scalable use case for blockchain technology. Structured by the Brazilian investment fund Target FIDC, the pilot transaction assigned each cow a unique digital token linked to an encrypted digital identity. This enabled the farmer to secure a 100,000 real loan without selling the underlying livestock.

Though the initial loan was valued at a modest $19,600, it established a functional proof of concept for the agricultural sector. Proponents suggest the framework could eventually support around $80 million in livestock-backed financing across Brazilian farms. Given that the global agriculture industry generated approximately $4 trillion in gross value added in 2023, market observers note that tokenized sheep, goats, and chickens could soon follow as viable digital collateral.

3. Whiskey Barrels

For investors looking for tangible luxury assets, whiskey barrels have emerged as a natural candidate for tokenization. Much like high-end fine art and rare collectibles, Scotch whisky typically appreciates in value as it matures in bonded warehouses.

Several blockchain projects have begun experimenting with placing whisky casks onchain, allowing investors to purchase whole units or fractional shares of aging spirits. While the model promises simplified trading and portfolio diversification, market participants frequently issue a practical warning: unlike digital tokens that can be transferred instantly across borders, a market crash leaves investors holding a digital certificate rather than a physical glass of liquor.

4. Thoroughbred Racehorses

For generations, racehorse ownership has remained an exclusive domain reserved for the ultra-wealthy, requiring substantial capital to cover breeding, training, and maintenance costs. Tokenization is gradually chipping away at these traditional barriers by fractionalizing ownership of thoroughbred racehorses into digital shares.

Platforms operating across networks like Cardano, Solana, Base, Polygon, and Arbitrum now allow everyday investors to purchase fractional stakes in animals, entitling them to a share of prize money, breeding income, or future sale proceeds. However, industry veterans urge caution. Chris Turner, co-founder of impact investment firm KULA, points out a fundamental limitation of the technology: "Putting a collectible or luxury item on a blockchain doesn’t automatically make it more liquid or valuable if the legal rights, transfer process, and market structure remain unchanged."

5. Uranium

While many institutional investors associate tokenized real-world assets primarily with short-term government treasuries or private credit, the tokenization space has also expanded into strategic industrial commodities like uranium.

Through initiatives backed by the Tezos ecosystem, platforms like metals.io are exploring the market for the radioactive metal used in nuclear power generation. Tezos co-founder Arthur Breitman argues that blockchain technology excels at establishing reliable, auditable, and cost-efficient financial rails for any asset class, making it particularly well-suited for technology-flavored commodities. Data from the platform indicates that trading volume between late 2024 and mid-2026 reached $21.5 million across approximately 18,200 trades and 7,400 unique wallets. While institutional interest is growing, adoption remains measured as traditional financial players grow accustomed to blockchain infrastructure.

6. Fishy Revenue

Among the most unconventional proposals evaluated by tokenization platforms was an inquiry from a Chilean fish-processing company. The firm sought to issue tokenized debt with returns directly tied to the commercial value of its seafood sales.

Edwin Mata, chief executive of tokenization platform Brickken, explains that the proposed token would have represented a contractual claim where payable interest adjusted dynamically based on verified sales performance. In effect, it was designed as a revenue-linked debt instrument. Mata notes that the proposal highlights a core principle of asset tokenization: almost any cash flow can support a financial instrument as long as the underlying rights and data are independently verifiable. Ultimately, the project stalled because the underlying fish sales still relied on traditional audits, commercial reporting, and legal agreements that could not be fully automated, demonstrating that the real world often presents hurdles that code alone cannot bypass.

7. Music Royalties

Music streaming royalties have also found a foothold onchain. One of the earliest high-profile examples occurred in 2021, when DJ and producer 3LAU offered fans 50% of the streaming rights to his single "Worst Case" via his blockchain platform, Royal. Rapper Nas followed suit in 2022, utilizing the same platform to sell streaming royalty rights for his tracks "Ultra Black" and "Rare."

Although tokenized music royalties gained significant traction during the broader NFT boom, they have yet to evolve into a dominant mainstream asset class. Critics attribute this slow adoption to the modest payouts generated by streaming services, noting that owning a microscopic fraction of a track requires millions of streams to yield meaningful financial returns.

8. Human Skin

Pushing the boundaries of personal collateral and corporate sponsorship, Croatian tennis player Oleksandra Oliynykova auctioned the advertising rights to a 15-by-18-centimeter patch of skin on her right arm as an NFT in 2021. The winning bidder paid 3 ether—valued at approximately $5,400 at the time—for the right to choose a tattoo displayed on her arm during professional tournaments for an entire year. While athletes have historically sold sponsorship space on athletic apparel and equipment, Oliynykova’s experiment introduced a novel interpretation of corporate endorsement.

9. A Burned Banksy

While traditional art collectors dedicate significant resources to preserving masterpieces, some digital collectors have taken the opposite approach to make a statement regarding digital scarcity and ownership. In 2021, a group operating under the name "Burnt Banksy" purchased an authenticated Banksy print titled Morons (White) for approximately $95,000. They proceeded to livestream the physical destruction of the artwork by fire before minting the digital documentation as an NFT.

The rationale behind the stunt was that while the physical medium no longer existed, its ownership and cultural value would persist permanently on the blockchain. The resulting NFT subsequently sold for roughly $382,000, sparking intense global debate over whether the collective had destroyed a valuable work of art or simply converted it into a new digital medium.

10. The First Tweet

Marking a defining moment of the 2021 digital asset market, Twitter co-founder Jack Dorsey tokenized his historic first-ever post on the platform—reading "just setting up my twttr"—and sold it as an NFT to entrepreneur Sina Estavi for $2.9 million. The sale quickly became an emblematic symbol of the era’s speculative fervor.

However, the volatile nature of digital collectibles became apparent a year later when Estavi attempted to resell the token for $48 million. The listing failed to attract significant interest, with the highest reported bid reaching a mere $6,800. While the public can still view the original message on the platform, only a single wallet holds the associated blockchain certificate.

Reflecting on the wide array of conventional and eccentric assets brought onchain, Edwin Mata offers a pragmatic perspective on the limitations of the technology: "Tokenization can improve access, administration, settlement, and transferability, but it cannot transform a poor investment into a good one."