LG Electronics Builds Its Own Blockchain for Ads

LG Electronics is taking a bold step by creating a new blockchain to manage online advertising. The system will let ad buyers and sellers share a single, transparent database that tracks how people interact with ads. To make this happen, the company teamed up with Arbitrum, a layer‑2 solution built on Ethereum that can bundle many transactions together at low cost. LG plans to test the platform later this year and see if it truly benefits advertisers, publishers and viewers. The idea is simple: use the blockchain to automate the whole ad buying process. “You can run the market in software without needing people to step in, ” says Arbitrum co‑founder Steven Goldfeder. By recording every ad view and click on a tamper‑proof ledger, the system could cut out middlemen and reduce fraud. LG’s own blockchain team believes this could bring real value to the advertising ecosystem.Large firms are increasingly exploring their own blockchains. Stripe partnered with Paradigm to launch Tempo, a fast chain for payments. Circle is building Arc to support stablecoins, and Robinhood has joined Arbitrum to issue tokenized stocks. Even banks like JPMorgan Chase run private ledgers for their own use. These moves show a trend of companies wanting to control every layer of the crypto stack, from core protocols to end‑user apps. But building a blockchain isn’t for everyone. Goldfeder cautions that while many companies could benefit, most should probably not create a new ledger. “It depends on what you need, ” he says. The decision should weigh the cost, complexity and the specific problem a company is trying to solve. In short, LG’s experiment highlights both the promise and the challenges of corporate blockchains. If successful, it could streamline ad buying and give advertisers more confidence in data integrity. Whether this approach becomes mainstream remains to be seen.