Blockchain in Supply Chain Management: Use Cases, Benefits, and Challenges (2026 Guide)
- Ravi Shankar FICS
- Jan 24, 2023
- 15 min read
Updated: Jun 15
In my decade at Maersk, supply chain documentation was a constant source of friction. A container shipped from a factory in China to a retailer in Germany might pass through five different information systems, none of which spoke to each other fluently. Documents were recreated at each handoff. Errors propagated. Disputes arose over who had the original bill of lading. Distributed ledger technology addresses this directly, though not without its own challenges.
Quick Answer: What Is Blockchain in Supply Chain? Blockchain in supply chain management refers to the use of distributed ledger technology to record and share supply chain data across multiple parties in an immutable, transparent, and verifiable format. Instead of each party maintaining their own siloed records that must be reconciled with each other, a shared ledger provides all participants with the same view of the same data simultaneously. Key applications include cargo tracking, document verification, smart contract automation of payments and customs processes, product provenance verification, and anti-counterfeiting.
What Is a Distributed Ledger in a Supply Chain Context?
A distributed ledger is a database that is maintained simultaneously across multiple computers (nodes) in a network, with no single controlling entity. Every transaction recorded on the ledger is verified by consensus among the nodes and linked to the previous transaction in a chain of data blocks. Once recorded, the data cannot be altered without breaking the chain and triggering rejection by the network.
In a supply chain context, this means that every handoff, every document, every status update involving a shipment can be recorded on a shared ledger that all authorised participants can read. The manufacturer who loaded the container, the freight forwarder who arranged the booking, the carrier who transported it, the customs broker who cleared it, and the retailer who received it all see the same record of events, in real time, without needing to trust each other's individual systems.
The term "blockchain" refers to this chain-of-blocks data structure. It became widely known as the underlying technology of Bitcoin, but its applications in supply chain management are quite separate from digital currencies. Supply chain blockchains are typically permissioned: access requires prior authorisation, and the identity of participants is known. This distinguishes them from public, permissionless networks where anyone can participate anonymously.
Two principal blockchain architectures are used in supply chain applications:
Public blockchains: Open to anyone; no central authority; examples include Ethereum. Offer maximum transparency but limited privacy and scalability constraints.
Private or consortium blockchains: Permissioned networks controlled by a defined group of participants. More practical for business applications because they offer privacy for commercially sensitive data, faster transaction processing, and governance structures that enterprises understand. TradeLens (Maersk and IBM, since wound down), Contour (trade finance), and TradeTrust (Singapore's IMDA) are examples of consortium approaches.
Most commercial supply chain blockchain deployments use consortium or private blockchain architectures.
How Blockchain Works in a Supply Chain: Step by Step
To understand how distributed ledger technology changes supply chain information management, it helps to trace a single shipment through a conventional process and then through a distributed ledger process.
Conventional process: A manufacturer in Vietnam ships a container of electronics to a retailer in Germany. The manufacturer issues a packing list and commercial invoice. The freight forwarder books the container with the carrier and receives a booking confirmation. The carrier issues a bill of lading. The bank issues a letter of credit. Customs authorities receive a manifest. At each step, documents are recreated, emailed, faxed, or physically couriered. Each party enters the data into their own system. Errors introduced at any step require bilateral reconciliation.
Distributed ledger process: The same shipment, but every event is recorded on a shared ledger as it occurs. The manufacturer records packing details. The freight forwarder's booking confirmation is on-chain. The bill of lading is a digital document recorded and transferred on the ledger. The letter of credit conditions are embedded in a smart contract. Customs manifests are submitted from on-chain data. Every participant sees the same record. Discrepancies are visible immediately rather than discovered at the next handoff.
The information flow:
Step 1: Data origination. The goods are packed and the container is sealed. IoT sensors (temperature, humidity, location, shock) begin recording data. Packing details are submitted to the shared ledger.
Step 2: Booking and documentation. Freight booking, cargo description, and shipper details are recorded on-chain. The bill of lading (or electronic bill of lading) is issued as an on-chain record.
Step 3: Port and customs. The carrier's vessel arrival and cargo manifests are on-chain. Customs pre-clearance queries the same data. Duty calculation and payment can be automated through smart contract logic.
Step 4: In-transit visibility. The carrier's vessel position (AIS data) and container location within the terminal are updated to the ledger. All parties can view real-time cargo status.
Step 5: Delivery confirmation and payment. On confirmed delivery, a smart contract releases payment to the carrier. The retailer's goods receipt confirmation triggers remaining payment obligations. The on-chain record serves as the audit trail for all subsequent claims.
Key Use Cases of Blockchain in Supply Chain
Cargo Tracking and Provenance
The foundational application. Every movement of cargo from origin to destination is recorded on the shared ledger. Provenance means the ability to trace a product back through every step of the supply chain to its origin.
For the pharmaceutical industry, provenance is a regulatory requirement: the US Drug Supply Chain Security Act (DSCSA) mandates electronic tracking of prescription drugs through the supply chain to prevent counterfeiting. For food, it is a food safety tool: the ability to trace a food product from supermarket shelf back to the farm within hours rather than days or weeks. The 2018 US romaine lettuce E. coli outbreak, which resulted in the recall of the entire US romaine lettuce supply because the contamination source could not be quickly identified, demonstrated the cost of inadequate traceability. IBM Food Trust (using Hyperledger Fabric) and Walmart have implemented distributed ledger food traceability that reduced trace time for mango from 7 days to 2.2 seconds.
For luxury goods, provenance verification addresses counterfeiting. LVMH's AURA platform uses distributed ledger technology to verify the authenticity and ownership history of luxury products from production through to secondary market sale.
Electronic Bill of Lading (eBL)
The bill of lading (BoL) is the primary document in ocean freight, serving simultaneously as receipt for cargo, evidence of the carriage contract, and document of title. The paper BoL requires physical courier to transfer title, takes days, can be lost or forged, and creates friction throughout the trade finance and cargo release process.
Electronic bills of lading on distributed ledger networks use smart contract logic to transfer title digitally. Platforms including Bolero, essDOCS, Komgo, and WaveBL have been operational for years; BIMCO's eBL standard provides interoperability between them. Adoption by major shipping lines (Maersk, MSC, CMA CGM, Hapag-Lloyd) has been growing.
The UNCITRAL Model Law on Electronic Transferable Records (MLETR) provides the international legal framework enabling eBL to have the same legal status as paper BoL in adopting jurisdictions.
Trade Finance and Letter of Credit Automation
Letters of credit (LCs) involve multiple banks, multiple document types, and multiple verification steps. The ICC has documented that approximately 70% of first-presentation LC documents contain discrepancies. Manual processing takes 5 to 10 days and costs the industry billions annually.
Distributed ledger platforms for trade finance record and verify LC documents on-chain. Contour, backed by HSBC, Standard Chartered, ING, and others, demonstrated LC processing time reduction to under 24 hours in pilot transactions. R3's Marco Polo network and Komgo offer comparable functionality.
Smart contracts embedded in LC processes can automatically verify document completeness and conformity and release payment when all conditions are satisfied.
Customs and Regulatory Compliance
Customs declarations require data from bills of lading, commercial invoices, packing lists, and certificates of origin. When these documents are created and verified on a shared ledger, customs systems can query the on-chain record directly rather than receiving submitted documents that must be independently verified.
Singapore's TradeTrust and the EU's Single Window for trade facilitation are examples of government-led initiatives that use or interface with distributed ledger technology to streamline customs processes.
Smart Contract-Automated Payments
Payment terms in international trade often involve complex conditions: payment on delivery, payment on specific documents being presented, payment instalment schedules tied to production milestones. Smart contracts can encode these conditions and release payments automatically when on-chain events confirm that conditions are met.
This eliminates the dispute that frequently arises between buyers and sellers over whether payment conditions have been satisfied, and removes the manual administrative burden of payment instruction and reconciliation.
Cold Chain Monitoring
Temperature-sensitive cargo (pharmaceuticals, fresh food, biological samples) must maintain specific temperature ranges throughout transit. IoT sensors on reefer containers record temperature data continuously. This data is recorded on the distributed ledger, creating an immutable record of the temperature profile throughout the journey.
If a temperature excursion occurs, the responsible party is identifiable from the on-chain record: the data shows exactly when the excursion occurred and where the cargo was at that time. Parametric insurance smart contracts can automatically compensate cargo owners when a temperature breach is confirmed.
Anti-Counterfeiting
Counterfeit goods cost the global economy an estimated $4.5 trillion annually. In regulated industries (pharmaceuticals, electronics, luxury goods, aerospace components), counterfeiting creates safety risks, not just economic ones.
Distributed ledger provenance systems create a product record that is difficult to spoof: each physical product is tagged (QR code, RFID, or unique identifier), and every time it changes hands, the transaction is recorded on the ledger. A buyer scanning a QR code can verify the complete chain of custody back to the manufacturer. Counterfeits cannot produce a legitimate chain of custody.
Sustainable Sourcing Verification
ESG (Environmental, Social, and Governance) compliance increasingly requires verifiable data about supply chain practices. Was the timber certified sustainably harvested? Was the cobalt mined without child labour? Are the carbon emissions across the supply chain accurately reported?
Distributed ledger technology provides an audit trail for ESG claims that is more credible than self-reported data. For shipping, CII (Carbon Intensity Indicator) data recorded on-chain could provide verifiable carbon intensity reporting for regulatory and voluntary market purposes.
Benefits of Blockchain in Supply Chain
Transparency and Visibility
All authorised parties see the same data simultaneously. Information no longer has to be requested, reformatted, and shared bilaterally; it is available on the shared ledger to all participants with access. This end-to-end visibility is the primary operational benefit most supply chain managers cite.
Reduced Paperwork and Administration
The ICC estimated that documentary costs account for 15 to 25% of the cost of international trade. On-chain documents that are automatically verified and transferred eliminate much of this overhead. The Electronic bill of lading alone could save the shipping industry approximately $6.5 billion annually, according to BIMCO estimates.
Improved Traceability
Product recall speed is a life safety issue in food and pharmaceutical supply chains. Distributed ledger traceability systems that reduce trace time from days to seconds directly improve the speed and precision of recall operations, limiting consumer exposure to contaminated or counterfeit products.
Reduced Fraud
Immutable records are harder to falsify than paper documents or centralised databases with single points of control. Bill of lading fraud (presenting duplicate original BoLs to multiple buyers or banks) is a significant problem in international trade; eBL on distributed ledgers eliminates the possibility of duplicate originals.
Faster Settlement
Smart contract payment automation eliminates the manual instruction and reconciliation steps that introduce days of delay into international payment processes. Trade finance settlement can compress from 5 to 10 days to under 24 hours in well-implemented blockchain platforms.
Better Compliance Records
Immutable, timestamped records of every supply chain event are ideal audit trails for regulatory compliance. Whether the requirement is pharmaceutical DSCSA traceability, MARPOL environmental compliance for shipping, or customs documentation verification, on-chain records provide credible evidence that compliance requirements were met.
Challenges and Limitations
Adoption and Network Effects
A distributed ledger is only as valuable as the number of participants using it. If the manufacturer is on the platform but the freight forwarder is not, the ledger covers only part of the journey. The network effect problem means that early deployments have limited value, and reaching critical mass of participation requires significant effort, often involving industry consortia or regulatory mandates.
TradeLens, the Maersk/IBM platform that was widely seen as the most promising shipping-specific blockchain deployment, was shut down in 2022 after failing to achieve industry-wide adoption. The lesson was that no single company or pair of companies can drive adoption of a network technology that requires the whole industry to participate.
Interoperability
Different blockchain platforms use different protocols, different data standards, and different access control systems. A pharmaceutical company using Platform A cannot automatically share verified data with a hospital using Platform B unless the platforms are specifically designed to interoperate. Interoperability standards (including GS1's standards for supply chain data and the UNCITRAL MLETR for electronic trade documents) are being developed, but implementation is slow.
Data Quality
Garbage in, garbage out. A distributed ledger is only as accurate as the data submitted to it. If a supplier submits incorrect origin data, that incorrect data is immutably recorded on the ledger. The ledger verifies that the data was submitted and that it has not been altered; it cannot independently verify that the underlying facts are true. This limitation becomes significant in provenance applications where the goal is to verify real-world conditions.
Scalability
Large distributed ledger networks processing high transaction volumes face scalability constraints. Ethereum's public network historically processed 15 to 20 transactions per second; a busy port might need to process millions of container-related transactions per day. Private or consortium chains with more efficient consensus mechanisms offer better throughput, but this comes at the cost of decentralisation.
Implementation Cost
Building, integrating, and maintaining a blockchain supply chain platform requires significant investment in technology development, integration with existing enterprise systems (ERP, WMS, TMS), staff training, and participant onboarding. SMEs in developing countries that are part of global supply chains may lack the resources to participate in blockchain platforms even when larger supply chain partners adopt them.
Privacy and Competitive Sensitivity
Supply chain data is commercially sensitive. Sharing cargo routes, supplier identities, pricing, and volumes on a shared ledger creates risks of competitive intelligence leakage. Permissioned blockchains with selective data sharing mechanisms address this partially, but it remains a significant concern in highly competitive supply chain markets.
Legal and Regulatory Framework
Electronic trade documents including eBL are not recognised as legally equivalent to paper documents in all jurisdictions. UNCITRAL's MLETR has been adopted by a growing number of countries (UK, US (certain states), Singapore, Bahrain, Papua New Guinea, Kiribati), but global adoption is incomplete.
Real-World Blockchain Supply Chain Deployments
IBM Food Trust / Walmart: Hyperledger Fabric-based traceability deployed for Walmart's food supply chain. Reduced mango trace time from 7 days to 2.2 seconds. Extended to leafy greens after the 2018 romaine lettuce E. coli crisis.
Contour: Trade finance platform backed by major banks (HSBC, Standard Chartered, ING, BNP Paribas, Bangkok Bank). Processes LC transactions, demonstrating significant reduction in processing time.
TradeTrust (IMDA Singapore): Singapore government-backed framework for electronic trade documents, including eBL. Uses distributed ledger technology with UNCITRAL MLETR compliance.
Maersk/IBM TradeLens: The most ambitious shipping-specific deployment, covering cargo tracking across ports and carriers. Shut down in 2022 due to failure to achieve industry-wide adoption. Its demise is instructive: technology alone cannot drive adoption; industry governance and commercial alignment are equally necessary.
LVMH AURA: Luxury goods provenance and authentication platform using the Ethereum network. Tracks products from manufacturing through to secondary market transactions.
De Beers Tracr: Diamond provenance platform tracking diamonds from mine to retailer on a distributed ledger, addressing conflict diamond concerns.
Everledger: Insurance-focused provenance and authenticity platform for high-value assets including diamonds, wine, and art.
Platform | Sector | Technology | Status |
IBM Food Trust | Food safety | Hyperledger Fabric | Active |
Contour | Trade finance | Corda (R3) | Active |
TradeTrust | Trade documents / eBL | Multiple | Active |
TradeLens | Container shipping | Hyperledger Fabric | Shut down 2022 |
LVMH AURA | Luxury goods | Ethereum | Active |
De Beers Tracr | Diamonds | Private | Active |
Everledger | Insurance / luxury | Private | Active |
Blockchain in Maritime Shipping: Specific Applications
Maritime shipping is one of the most document-intensive industries in the world. A standard container shipment may involve 30 to 40 different document types and 200 or more pieces of information communicated between approximately 30 different organisations. This complexity makes shipping a natural candidate for distributed ledger application.
Key maritime applications:
eBL adoption: Maersk, MSC, CMA CGM, and Hapag-Lloyd have all announced or implemented eBL capabilities. The shipping lines forming the DCSA (Digital Container Shipping Association) have committed to 100% eBL adoption by 2030.
Port community systems: Port of Rotterdam's Portbase, Singapore's TradeXchange, and other port community systems are integrating distributed ledger capabilities to streamline vessel arrival, customs, and cargo release processes.
Bunker fuel tracking: Recording fuel type, quantity, and supplier at bunkering in an immutable ledger supports MARPOL compliance verification and supports the emerging carbon credit accounting requirements for shipping.
Freight payment: Smart contract automation of freight payment on confirmed delivery is being piloted by several freight forwarders and logistics platforms.
FAQ
What is blockchain in supply chain management?
It is the use of distributed ledger technology to record supply chain events (cargo movements, document transfers, payments, compliance data) on a shared, immutable ledger accessible to all authorised participants. It improves transparency, reduces paperwork, speeds settlement, and creates verifiable audit trails.
How does blockchain improve supply chain transparency?
Instead of each supply chain participant maintaining siloed records that must be reconciled with each other, a distributed ledger gives all participants the same view of the same data in real time. There is no information asymmetry between buyer, seller, carrier, and customs authority; all see the same on-chain record simultaneously.
What are the main use cases of blockchain in supply chain?
Cargo tracking and provenance verification, electronic bill of lading transfer, trade finance and letter of credit automation, customs and regulatory compliance, cold chain monitoring, anti-counterfeiting, smart contract payment automation, and sustainable sourcing verification.
What are the benefits of blockchain in supply chain?
Improved transparency, reduced documentary costs, faster trade finance settlement, better product traceability, reduced fraud, stronger compliance records, and smart contract automation of payment and compliance processes.
What are the challenges of blockchain in supply chain?
Adoption and network effects (requires industry-wide participation), interoperability between different platforms, data quality (the ledger records what is submitted, not necessarily the underlying truth), scalability, implementation cost, privacy and competitive sensitivity, and incomplete legal frameworks for electronic trade documents.
Is blockchain the same as a cryptocurrency?
No. Distributed ledger technology is the underlying infrastructure; cryptocurrency is one application of it. Supply chain blockchains operate on permissioned networks and do not require cryptocurrency for their operation.
What happened to TradeLens?
TradeLens, the Maersk and IBM shipping blockchain platform, was shut down in November 2022. It had significant technical capabilities but failed to achieve industry-wide adoption. The primary reasons cited were the inability to achieve the level of industry participation needed for the network effect to generate sufficient value, and commercial challenges in the platform's governance model. Its closure was an important lesson about the distinction between technology capability and market adoption.
What is an electronic bill of lading?
An electronic bill of lading (eBL) is a digital version of the traditional paper bill of lading, using distributed ledger technology to record cargo details and transfer title to goods without physical document transfer. The BIMCO eBL standard and platforms including Bolero, essDOCS, and WaveBL enable eBL in commercial shipping.
What is the DCSA's eBL commitment?
The Digital Container Shipping Association, whose members include Maersk, MSC, CMA CGM, Hapag-Lloyd, ONE, and others covering approximately 70% of global container capacity, committed in 2022 to achieving 100% electronic bill of lading adoption by 2030.
How does blockchain help with food safety?
Distributed ledger food traceability systems record every step in the food supply chain from farm to retailer. In the event of a contamination outbreak, the source can be traced in seconds rather than days or weeks, enabling precise recalls that protect consumers while minimising unnecessary destruction of unaffected food.
What is the "oracle problem" in supply chain blockchain?
The oracle problem refers to the challenge of connecting on-chain records to real-world physical facts. A distributed ledger can record what a participant submits, but cannot independently verify that the physical goods match the submitted description. If a supplier submits false origin data, the false data is immutably recorded. IoT sensors and independent verification services (auditors, inspection firms) act as oracles providing verified real-world data.
What is the blockchain supply chain market size?
The global blockchain in supply chain market was valued at approximately $2.0 to $3.3 billion in 2025 (estimates vary by source). Market Research Future projects the market reaching approximately $55 billion by 2035, driven by increasing adoption across food, pharmaceutical, automotive, and shipping industries.
Glossary
Consensus mechanism: The process by which distributed ledger network nodes agree on the validity of transactions before recording them permanently.
Consortium blockchain: A permissioned distributed ledger network controlled by a defined group of organisations, balancing transparency among participants with privacy from outsiders.
DCSA (Digital Container Shipping Association): An association of major container shipping lines committed to digitisation standards including eBL adoption.
DLT (Distributed Ledger Technology): The umbrella term for technologies including blockchain that maintain databases simultaneously across multiple computers with no central controlling entity.
eBL (Electronic Bill of Lading): A digital version of the paper bill of lading, recorded and transferred on a distributed ledger or approved electronic platform.
Hyperledger Fabric: An open-source distributed ledger framework developed by the Linux Foundation; widely used for enterprise and supply chain applications.
Immutability: The property of distributed ledger records that prevents alteration once confirmed; past transactions cannot be changed without invalidating subsequent blocks.
IoT (Internet of Things): Network-connected sensors and devices that collect and transmit real-world data; used in supply chains to track location, temperature, and condition of cargo.
KYC (Know Your Customer): Regulatory requirements to verify the identity of customers; relevant to supply chain finance and digital asset platforms.
MLETR (Model Law on Electronic Transferable Records): The UNCITRAL framework enabling electronic versions of negotiable documents (including bills of lading) to have legal equivalence to paper originals.
Node: A computer in a distributed ledger network that stores a copy of the ledger and participates in the consensus process.
Oracle: A trusted data source that provides real-world information to an on-chain smart contract; bridges physical events with on-chain logic.
Permissioned blockchain: A distributed ledger where participation requires authorisation; participants are known; access to data can be selectively restricted.
Provenance: The verifiable history of a product's origin and chain of custody from production through to final sale.
Smart contract: A self-executing program on a distributed ledger that automatically performs actions when predefined conditions are verified.
TradeTrust: Singapore's IMDA-backed framework for electronic trade documents using distributed ledger technology.
UNCITRAL: The United Nations Commission on International Trade Law; the body that developed the MLETR enabling eBL legal recognition.
References
TradeTrust (IMDA Singapore): Framework and Technical Documentation
TechTarget: Benefits and Use Cases for Blockchain in Supply Chain
Market Research Future: Blockchain in Supply Chain Market Size 2025-2035
Acropolium: Blockchain for Supply Chain Management: Benefits and Use Cases
UNCITRAL: Model Law on Electronic Transferable Records (MLETR)
Wiley Journal of Operations Management: Charting the Future of Blockchain in Supply Chain (2025)
MDPI: Unlocking Blockchain's Potential in Supply Chain Management (2025)
ICC: Rethinking Trade Finance and Documentary Credit Statistics
Disclaimer: Shipfinex FZCO operates under VARA In-Principle Approval (IPA/26/01/002). The final Virtual Asset Service Provider (VASP) license is pending. Maritime Asset Tokens (MATs) available on the Shipfinex platform represent economic exposure to commercial vessel Special Purpose Vehicles (SPVs) and are subject to regulatory review. This article is for informational purposes only and does not constitute financial, legal, or technology advice.
Ravi Shanker
Co-Founder & CCO, Shipfinex
Ravi Shankar FICS is Co-Founder and Chief Commercial Officer of Shipfinex, and General Secretary of the ICS Middle East Branch. A Fellow of the Institute of Chartered Shipbrokers with extensive experience in ship sale and purchase, chartering, and maritime consultancy, he has previously held senior roles at Maersk Broker and Eastgate Shipping DMCC. His day-to-day commercial work spans dry bulk and tanker market analysis, SnP transactions, and shipbroking advisory.
