LG Electronics, the South Korean maker of TVs and consumer devices, has built a blockchain-based advertising network on its own Arbitrum-powered Ethereum layer-2, the company told Fortune.
The project, developed inside LG’s dedicated blockchain research lab, has already been piloted with an unnamed Japanese ad agency, according to the report. LG said it will explore bringing the platform to market later this year, though it framed the effort as still exploratory rather than a committed launch.
An On-Chain Ad Network
The platform gives advertisers and publishers a shared database of ad inventory and records how customers interact with the ads they are served, per Fortune. The pitch is efficiency: a common, verifiable ledger of inventory and engagement that removes friction from how ads are bought, sold, and measured. Arbitrum cofounder Steven Goldfeder, whose firm worked with LG on the project, said the design lets the ad market run automatically in software without manual intervention.
LG was informed about the stakes. Samuel Byungsun Park, who leads the company’s blockchain research department, said LG is “evaluating whether this approach can deliver meaningful value to advertisers, publishers and audiences” — language that positions the network as a test of a thesis rather than a finished commercial product.
The Problem It’s Chasing
The ambition makes sense against the scale of the problem. Digital advertising runs through a tangled programmatic supply chain of exchanges, networks, and agencies, and that opacity is expensive: fake clicks, bot traffic, and fraudulent impressions cost advertisers an estimated tens of billions of dollars a year, with some industry estimates putting the figure near $65 billion.
Brands routinely pay without clear visibility into where their ads appeared or whether a real person saw them. A shared, tamper-resistant ledger of impressions and settlements is the long-standing pitch for putting advertising on a blockchain—an accountability layer that lets buyers verify placements and trims the chain of middlemen taking a cut.
That promise is not new, and that history is a cautionary one. A wave of blockchain-advertising ventures emerged in the late 2010s, and most struggled with the same obstacles: digital ad systems process enormous transaction volumes that many chains cannot match; integrating with entrenched ad-tech is costly; and the model only works if advertisers and publishers adopt a shared standard together. LG’s challenge is less proving the concept than achieving the industry buy-in that earlier efforts never did.
Why Arbitrum
To build the network, LG worked with Arbitrum, the Ethereum layer-2 protocol, and used its technology to stand up a dedicated layer-2 of its own — a setup that batches transactions to keep costs low. The choice places LG alongside a notable precedent: Robinhood built Robinhood Chain, its own Ethereum layer-2 for tokenized assets, on Arbitrum, a network that processed roughly 4 million testnet transactions in its first week.
For companies that want a private, branded chain without building base-layer infrastructure from scratch, Arbitrum’s rollup stack has become a common route, and LG’s adoption extends that pattern from finance into advertising.
The Corporate Blockchain Wave
LG’s move fits a broader shift. After a decade in which most corporations avoided building their own ledgers, a friendlier U.S. regulatory climate has encouraged big companies to reconsider.
Stripe, the payments giant, worked with Paradigm to develop a high-speed chain called Tempo; stablecoin issuer Circle is building its own chain, Arc; and JPMorgan runs a private blockchain unit. The common thread is a push by large firms to own more of the crypto stack, from the underlying network to the applications that run on it. LG’s entry signals that the trend is spreading beyond payments and finance into adjacent industries like ad-tech.
Not Every Company Needs a Chain
The enthusiasm comes with a caveat, voiced by the Arbitrum cofounder himself. Asked whether companies should launch their own blockchains, Goldfeder said that while the answer is yes for some, “for most people, the answer is no.”
That tension hangs over LG’s project: an on-chain ad network promises transparency and automation, but digital advertising is a crowded, entrenched market, and LG has not yet demonstrated that a blockchain delivers value that existing ad-tech cannot. With the company still evaluating the approach and a go-to-market decision pushed to later this year, the project is best read as a serious experiment from a major manufacturer — one that tests whether corporate blockchains can move from finance into the everyday infrastructure of advertising.
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