Six Applications for Blockchain in Automotive


Since the advent of cars, the automotive industry has always embraced technological advances, but the pace of change has accelerated so rapidly that auto original equipment manufacturers (OEMs) worldwide are struggling to keep up. It is not just connected cars, or even autonomous cars that manufacturers are racing to [safely] bring to market; it is not just 5G connectivity shifting narratives around smart city interactions or in-car experiences; it is not just car-sharing and new business models with which they are experimenting; and it is not just artificial intelligence (AI) or computer vision for which they are recruiting talent. Automotive manufacturers are now facing another potentially transformational technology: blockchain.

Tractica defines blockchain as a series of technologies that enable distributed database architecture, wherein the record and verification of a transaction or event relies on multiple parties agreeing on the validity of that transaction, rather than relying on a single centralized authority.

Although blockchain has been subject to more hype than actual in-production, at-scale applications, the technology has undergone rapid developmental steps in the last 3 years. Blockchain technologies offer auto manufacturers, as well as numerous other constituencies across the automotive ecosystem, a range of potential benefits. In fact, blockchain may serve as a key enabler for autonomous cars because it has the potential to facilitate commerce between cars and other devices in scalable architectures and ensure repeatable outcomes/expectations. This is required to: 1) establish value and 2) define trust between stakeholders and machines, both of which are limited in the Internet of Things (IoT) as it exists today.

Tractica’s research identifies 30 distinct use case categories, across virtually every industry. Below are a few of the use cases Tractica has identified for companies in the automotive sector to extract value from ledgers distributed and shared among one another.

Automotive/Internet of Things Interactions

A future of autonomous cars, not to mention “millions or billions” of devices communicating with each other efficiently requires that their interactions and transactions exist on an immutable database of shared, secure, and highly permissioned access. As one example, a shared ledger between automotive OEMs, parts distributors, dealerships, service mechanics, insurance providers, and others could support the ability for parts or equipment within a car to autonomously sense its own needs. For instance, a car could advise the driver about the need for repair, contact remote users for updates or nearby suppliers for replacement parts, negotiate pricing and appointments for service and repairs, authenticate the proper technician, and process the respective payment for services.

An early example of blockchain supporting transparency across the above interactions was recently announced by Renault. The French automaker is piloting a digitized car maintenance program, which uses blockchain as a shared ledger to log all car repair and maintenance history in one place. The next pilot, it says, will focus on vehicle-based microtransactions – essential to integrating the IoT with the exchange of value.

Oaken Innovation recently demonstrated the idea of a blockchain-enabled tollbooth, in which Tesla cars automatically pay as they pass through toll booths, as both nodes (car and tollbooth) have ethereum nodes, which use smart contracts to trigger a machine-to-machine (M2M) transaction.

Auto Financing

Whether an individual, institution, or dealer, few can afford to purchase cars outright; instead, purchasing cars typically requires loans to finance the transaction. Although financing varies somewhat by the nature of the transaction, typical auto financing includes a host of verification steps to which blockchain could be applied for efficiency gains: customer bank validation along multiple phases of transaction setup and execution (in compliance with know your customer [KYC] and anti-money laundering [AML] regulations); issuing letters of credit; review of multiple documents sourced from different locations; investigating actors’ legal structures; scoring and classifying risk; archiving of reviewed documents; etc. In the spring of 2017, Indian automotive OEM Mahindra, created a blockchain incubator focused specifically on the automotive financing use case.

Automotive Title Transfer

The process of transferring ownership from buyer to seller of an asset – a car or other form of property – is one that requires numerous middlemen, phases, and reconciliations to execute. Property records and the “chain of title,” which include leases, titles of ownership, encumbrances, etc., are usually stored in title plants at the county level, which must be maintained and require significant labor resources (thus, higher fees) to search and curate in order to verify a transaction. Blockchain could be applied here to streamline this process, not only by digitizing and securing titles – many titles today are paper-based – but by expediting the time needed to authenticate, validate, and transfer ownership of specific assets.

A company called BigChainDB is developing CarPass in an effort to centralize all information about a car to a shared immutable and transparent database, immune to fraud or tampering. The pass would include title, service providers, prior damage, maintenance, and inspection history, but telemetry and sensor data introduce all manner of possibility in what could be registered on such a ledger. The concept was born in a hackathon in which energy company Innogy, BigChainDB, and Volkswagen Financial Services (VWFS) conceptualize what could be included in a car’s digital record involving telematics data, device data, and financial services data logged onto a blockchain.

Insurance Claim Processing

The current claims process requires extensive manual documentation, submission, and review resources to verify a claim. Entering these events on a distributed ledger could streamline both claims processing as well as subsequent payouts and service contracts associated with financing and executing repairs. Automotive OEMs could potentially use blockchain technologies like smart contracts or private keys to streamline the filing of certain insurance claims, automatically deploy service technicians, or automate payout.

Supply Chain Management

A supply chain consists of all entities and processes involved in getting an item from raw materials to final product for use. Supply chain processes today are opaque, generally not well understood beyond a few degrees of separation, yet made up of ever-growing and evolving networks of products, people, and counterparties. The automotive supply chain is incredibly complex, consisting of numerous types of parts, hardware, software, and firmware suppliers, distributors, dealers, regulatory agencies, insurance companies, and more. Blockchain technologies can be applied to each of the following phases of the supply chain:

  • Product inception
  • Product development
  • Product distribution
  • Product trade financing
  • Product retail and use
  • Product recycling/aftermarket

Various blockchain technologies could also be applied along multiple phases. Security, identity, and permissioning impact anti-counterfeit measures in the supply chain; smart contracts, oracles, and custom code support security and compliance adherence; decentralization allows multiple parties to be involved in any supply chain to participate in shared (permissioned) record-keeping and reference data; and payments and contracts transfer to expedite reconciliation of the deal and the transfer of money and assets from one party to another.

Toyota Research Institute (TRI) recently unveiled a three-pronged strategy (and a slew of partnerships to reinforce it) in which they see blockchain technology as underpinning data sharing, ride-sharing transactions, and user-based insurance. While this inherently includes numerous use cases impacting supply chain automation and otherwise, Toyota sent a signal to the market loud and clear: it views blockchain as the enabler for vehicles to receive and carry out all manner of instructions and transactions autonomously, and across multiple constituencies.

Loyalty-Based Microtransactions

Rewards programs are a common tool for driving customer engagement, retention, and additional revenue across a variety of sectors, including financial services, retailers, airlines, hotels, grocery, gaming, restaurant, car rental providers, cruises, fuel/convenience stores, and others. But today’s programs leave much to be desired on both sides: for businesses, points go unused and one-time sign-ups do not drive loyalty; for consumers, loyalty programs are rarely integrated and the ability to accrue value is limited. As businesses are awakening to the opportunity to leverage data for highly contextual marketing, the autonomous car represents the next mobile platform, particularly as passengers do more sitting than driving. Companies like loyyal recognize the need for a shared database to manage high volumes of transactions and enable permissioned access and program execution so that loyalty engagements serve both consumers and the numerous organizations with which they interact.

Industry Consortia Emerging as Critical Catalysts of Blockchain

Believe it or not, these use cases are but the tip of the iceberg for potential blockchain applications within the automotive space. That said, scalability, security, and low standardization across the industry remain significant hurdles. The primary challenge facing commercial blockchain in automotive is the sheer number of parties that would need to adopt decentralized ledgers. This, in addition to dynamic and geographically variable regulatory regimes, is why we are seeing industry consortia emerge as critical catalysts in the blockchain space. Toyota recently announced that it is building its own consortium, and that it is also part of R3. Daimler AG joined the Hyperledger project. Meanwhile, the Blockchain IoT Consortium has come together with the sole purpose of coordinating the universe of IoT suppliers around new blockchain-powered use cases. More and more, Tractica expects automotive OEMs to take steps toward blockchain, with industry leaders accelerating their own efforts. The broader the network adoption, the greater the value and efficiency; the inverse of which is also true.

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