Challenges with Adopting Blockchain Technology in the Wine Industry
Amanda Violette
I. Introduction
A bottle of wine encapsulates a complex narrative shaped by geography, craftsmanship, logistics, and market dynamics, and, more recently, climate change.[1] Traditionally, much of this narrative has remained opaque, especially to American consumers.[2] While French wines have been highly regulated since the early 20th century with the intent of preventing fraudulent products from damaging the wine industry, American wines became regulated by the Alcohol and Tobacco Tax and Trade Bureau (TTB) later using American Viticultural Area regulation to provide warnings about the dangers of alcohol on the label.[3] However, now, with American wines, only information about the grape origin is required, leaving the consumer to question whether the wine lived up to its intended character and authenticity.[4]
II. Fighting Fraud and Counterfeiting with Blockchain technology
In all wine producing regions, the wine industry faces challenges of “lack of transparency and traceability which makes it difficult” to confirm authenticity of the final product: the bottle of wine.[5] The wine supply chain involves multiple processes from “grape cultivation and harvesting followed by the winemaking process, including fermentation, aging, and bottling” during which there are opportunities for “fraud, counterfeiting, and mislabeling” to take place.[6] However, the emergence of blockchain technology is reshaping this paradigm by enabling unprecedented levels of transparency in supply chains.[7]
Blockchain-based traceability systems could allow consumers and stakeholders to access detailed information about a wine’s lifecycle, including vineyard origin, production processes, and distribution pathways.[8]
“Blockchain technology provides data storage that is distributed all over the network of computers in a peer-to-peer (P2P) architecture. The information stored in the blockchain is organized into a chain of data blocks, where each block contains bits of information that are immutably connected or chained to a single preceding block using a cryptographic hash function calculated based on the data within the blocks. Blockchain technology is therefore characterized by decentralization, immutability, security, transaction efficiency and transparency. Blockchain systems can be deployed as public, private, or federated (partly private). The technology is recognized as an innovation enabler in many areas, with the food supply chain being one of them. Blockchain is recognized as a platform that could support new business models and innovation in [Supply Chain Management] SCM. The decentralization of blockchain technology means that all participants in the SCM (producers, farmers, winemakers, sales managers, buyers, regulators, etc.) are connected, hold an authentic copy of the ledger, and can use data of all stakeholders as inputs to the further process, evaluation, and monitoring. In addition, decentralization of the blockchain technology provides all linked stakeholders with up-to-date information in the case that an actor attempts to modify data on the blockchain, ensuring information traceability and transparency.”[9]
This capability is particularly valuable in an industry historically affected by counterfeiting, incomplete or confusing information, and complex supply chains.[10] By providing a means for the consumer to “track the journey of a bottle of wine from vineyard to store shelf, blockchain can help . . . enhance trust among consumers, producers, distributors, and retailers.”[11]
III. Challenges Presented by Blockchain
Despite these advantages, the increasing transparency enabled by blockchain introduces a significant and often underexplored challenge: the potential exposure of sensitive and confidential business information.[12] “Full (uncontrolled) transparency goes against the opacity and privacy required by stakeholders that intend to hide sensitive information.”[13] This creates a fundamental tension between transparency and privacy, raising critical questions about how blockchain systems should be designed and implemented in the wine industry.
Transparency is often framed as an inherently positive attribute, particularly in supply chain contexts where traceability and accountability are essential. However, in competitive industries such as wine production and distribution, information is a strategic asset. Supply chains consist of multiple actors including vineyards, wineries, distributors, and retailers who each deal “with sensitive data including proprietary production techniques, contractual agreements, and financial transactions.”[14]
One of the most significant risks arises from inference attacks. Although Blockchain “ensures pseudonymity . . . as the support for the anonymity of a user identity, it fails to provide users the protection of unlinkability.”[15] The unlinkability of transactions connecting a user to those transactions can uncover the user’s true identity in the presence of background knowledge.[16] Even when explicit data is not disclosed, patterns within shared datasets can reveal strategic insights. Over time, such information can be aggregated and analyzed, thereby undermining business confidentiality.
IV. Regulatory Tensions: Blockchain and GDPR
The challenge of balancing transparency and confidentiality is further complicated by regulatory considerations. In the European context, the General Data Protection Regulation (GDPR) imposes strict requirements on data processing.[17] Blockchain technology, however, is inherently resistant to modification and deletion. Its immutability, often considered a strength, conflicts with GDPR provisions that require the ability to remove or correct personal data.[18] As commentators have noted, blockchain adoption in wine supply chains must contend with legal frameworks that were not designed for decentralized systems.
This tension is particularly pronounced in global wine supply chains, where data may traverse multiple jurisdictions with differing regulatory requirements. As a result, blockchain implementations must navigate a complex legal landscape while maintaining both functionality and compliance.
V. Industry-Specific Vulnerabilities
While the transparency–privacy dilemma is relevant across many sectors, it is especially acute in the wine industry due to several structural characteristics. First, wine supply chains are highly complex, often involving small and medium-sized enterprises with limited technological resources.[19] These entities may be particularly sensitive to data exposure as they lack the capacity to mitigate potential competitive risks.[20]
Second, the high value of premium wines increases both the incentives for traceability and the sensitivity of associated data.[21] Detailed information about sourcing and production can significantly influence market positioning and pricing. Third, geographic and production details are often closely tied to brand value, depending on the wine.[22] Excessive transparency may therefore compromise proprietary practices.
Finally, power asymmetries within the supply chain can exacerbate concerns about data governance. Larger entities, such as distributors or retailers, may exert greater influence over blockchain platforms, raising questions about data ownership and equitable access.
VI. Toward Privacy-Preserving Transparency
Addressing the transparency and privacy concerns requires a shift from indiscriminate data sharing to more nuanced approaches that enable verification without full disclosure. One Blockchain architecture already used in wine traceability systems is the “permissioned blockchain.”[23] This architecture limits access to only authorized participants which allows for “better control over data sharing and privacy” but still allowing transparency among other stakeholders.[24]
Additionally, advanced cryptographic techniques such as zero-knowledge proofs (ZKP) offer the possibility of validating claims without revealing underlying information.[25] For example, a system could confirm that a wine meets certain certification standards without disclosing detailed production data.
VII. Conclusion
Blockchain technology holds significant promise for transforming the wine industry by enhancing traceability, reducing fraud, and increasing consumer trust. However, widespread implementation also introduces a critical challenge: acceptability of Blockchain technology as a solution for supply chain challenges in the wine industry.[26] Privacy risks are still a concern and will require a significant investment to fully embrace the technology as a long-term solution.[27] The key issue is not whether transparency should be pursued, but how it should be managed. Unrestricted transparency may undermine competitive advantage, create regulatory conflicts, and discourage adoption. Conversely, overly restrictive systems may fail to deliver the benefits of traceability and trust.
The path forward lies in achieving a balance between these extremes. Privacy-preserving blockchain designs, supported by robust governance frameworks, offer a viable solution. Such systems can provide the necessary level of transparency for verification and accountability while safeguarding confidential information. Ultimately, the goal is not to maximize transparency, but to optimize it by leveraging Blockchain technology. In the context of the wine industry, this means enabling stakeholders to share information responsibly and still maintain the desired control over business data and information privacy.
[1] See Kyle A. Shimomura, Developing American Wine Law – Lessons from European Wine Regulation in the Face of Climate Change and Growing Demand, 37 Emory Int’l L. Rev. 455, 460-480 (2023).
[2] See id. at 487.
[3] See id. at 467; see also Molly Torsen, Apples and Oranges: French and American Models of Geographic Indications policies Demonstrate an International Lack of Consensus, 95 Trademark Rep. 1415, 1430 (2005) (noting that the TTB was preceded by the Bureau of Alcohol, Tobacco, and Firearms prior to its dissolution in 2003); see also American Viticultural Area, TTB (May 1, 2024), https://www.ttb.gov/regulated-commodities/beverage-alcohol/wine/american-viticultural-area-ava.
[4] Shimomura, supra note 1 at 487; Torsen, 95 Trademark Rep. at 1430.
[5] Nino Adamashvili, Nino Zhizhilashvili, & Caterina Tricase, The Integration of the Internet of Things, Artificial Intelligence, and Blockchain Technology for Advancing the Wine Supply Chain, 13 Computers 72 (2024), https://www.mdpi.com/2073-431X/13/3/72.
[6] Id.
[7] See Manuela Cordeiro et al., Blockchain-Powered Traceability in the Wine Industry: Enhancing Transparency and Consumer Trust, Blockchain: Research and Applications (forthcoming), https://doi.org/10.1016/j.bcra.2025.100405.
[8] Id.
[9] Bojana Malisic et al., Blockchain Adoption in the Wine Supply Chain: A Systematic Literature Review, 15 Sustainability 14408 (2023), https://www.mdpi.com/2071-1050/15/19/14408.
[10] João Conceição et al., Blockchain and Trust in the Wine Industry: Consumer Perceptions and Supply Chain Transparency, J. Sustain Rsch. (2026), https://sustainability.hapres.com/htmls/JSR_1838_Detail.html.
[11] Id.
[12] See Houssein Hellani et al., On Blockchain Integration with Supply Chain: Overview on Data Transparency, 5 Logistics 46 (2021), https://doi.org/10.3390/logistics5030046.
[13] Id.
[14] Gowher Majeed Parry et al., Bottling Up Trust: A Review of Blockchain Adoption in Wine Supply Chain Traceability, 12 IEEE Access 178320, 178334 (2024), https://ieeexplore.ieee.org/document/10766577.
[15] R.Zhang et al., Security and Privacy on Blockchain, 53 ACM Computing Surveys 1, 18 (2019), https://dl.acm.org/doi/epdf/10.1145/3316481.
[16] Id.
[17] See id. at 178335.
[18] Sohail Jabbar et al., Blockchain-Enabled Supply Chain: Analysis, Challenges, and Future Directions, 27 Multimedia Sys. 787, 801 (2021), https://doi.org/10.1007/s00530-020-00687-0.
[19] Conceição supra note 10.
[20] Id.
[21] Id.
[22] Tilman Reinhardt et al., Wine law; sustainable innovation and the emergence of a wine constitution, Wine Economics and Policy 15, 16 (2024), https://doi.org/10.36253/wep-16041.
[23] Parry, supra note 14, at 178328.
[24] Id.
[25] Johannes Sedlmeir et al., The Transparency challenge of blockchain in organizations, 32 Electron Markets 17879, 1788 (2022), https://doi.org/10.1007/s12525-022-00536-0.
[26] Jabbar, supra note 18, at 795.
[27] Id.