CHON: 'In the Age of AI Imposters, Real Relationships Verify Real People'

As AI systems grow capable of cloning human faces and voices — and AI agents begin booking appointments and processing payments on behalf of users — one startup is betting that real-world human relationships can serve as a new form of identity verification.

CHON Co., a blockchain-based decentralized identity (DID) company, held "CHON Investor Day 2026" at COEX in Gangnam-gu, Seoul, on Sept. 16, unveiling its relationship-based mutual authentication technology and the business models built around it, the company said Monday.

The event drew about 100 attendees, including investment analysts from venture capital firms and new-technology finance companies, partner firms, and representatives from academia and the media. Cho Seok-jun, a former head of the Korea Meteorological Administration, served as emcee.

The central concept CHON presented was "relationship-based identity authentication." Unlike conventional systems in which users unilaterally register their identities with a platform, CHON's approach requires mutual confirmation from people already connected in real life — family members, colleagues, schoolmates, club members — before authentication is granted.

Rather than simply claiming to be an employee of a particular company, a user must go through a mutual verification process with already-authenticated members of that organization. As these verified connections accumulate, they form what CHON calls a "relationship graph" around each individual.

CHON also highlighted its decentralized data architecture. Original personal information stays on the user's smartphone, while the distributed ledger records only a hash value confirming that a credential was issued. The company describes this as a "Nothing to Steal" structure.

DID technology has been piloted multiple times in finance and the public sector, with its appeal centered on giving users direct control over their personal data. But the technology itself has rarely given consumers a compelling enough reason to install yet another app — a persistent barrier to mainstream adoption. CHON's strategy of leading with everyday services — group membership passes, family authentication and phone-scam prevention — rather than technical explanations appears designed to clear that hurdle.

The spread of AI makes the case for such identity infrastructure more urgent. Generative AI can now mimic not only images and voices but also writing styles, making it increasingly difficult to verify who is actually on the other side of an online interaction based on any single piece of information. If AI agents begin participating in economic activities — signing contracts or processing payments on a person's behalf — a separate trust layer capable of confirming who is actually behind the screen could become essential.

Attendees at the event were invited to install the CHON app and experience the technology firsthand. They checked into the venue by scanning a QR code and watched a family tree take shape through mutual authentication between family members.

CHON also unveiled a "Safe Call" feature aimed at preventing voice phishing. When a verified family member calls from a registered device, the call appears highlighted in green; if the same phone number is used from an unregistered device, the app displays a warning.

Other features introduced included "Moim-jeung," a tool for group organizers to manage members, along with QR-based store sign-ups, age verification, venue access management and visit analytics. The idea is that users enter the authentication system naturally, drawn in by a specific service rather than by the prospect of identity verification itself.

Shin Geun-young, CEO of CHON, described the company not as one running multiple separate businesses, but as one "supplying a single trust layer to multiple markets."

Noting that previous public certificate and DID ventures had struggled to build real user bases despite sound technology, Shin said CHON's growth strategy was not about "selling ID cards, but selling reasons to use them."

A restaurant, for example, issues a membership card; a club issues a member badge; a clan association issues a membership certificate; a school provides a digital graduation album. As users engage with these services without thinking of them as identity-verification tools, the relationship authentication network quietly expands.

CHON said it has identified 18 business models that can leverage its mutual authentication technology. These include a health information service combining relationship-based family trees with biotech data, a Web3 advertising model that shares revenue between users and operators, and a "digital genealogy" service that passes personal photos, videos and records down to future generations.

A core ambition is to shift data ownership away from platform operators — who have long monopolized personal data and user relationships for profit — and back to the individuals those relationships belong to. If the business scales as planned, CHON envisions itself less as a standalone DID app and more as a shared authentication infrastructure that multiple services can plug into.

Oh Jeong-geun, chairman of the Korea Financial ICT Convergence Society, said at the event that storing no personal data on servers carries meaningful cybersecurity implications in the AI era.

Lee Byung-tae, a professor at KAIST College of Business, noted that companies which created new modes of connection have historically grown into major platforms, and said he was watching CHON's attempt to link human relationships to business value with interest.

CHON currently holds 24 patents related to its relationship-graph mutual authentication technology and plans to file two additional patent applications.

The investor day marks the formal start of the company's fundraising drive. Following investment, CHON plans to establish a US subsidiary, expand global partnerships and pursue follow-on institutional investment.

"Throughout internet history, the companies that ushered in new eras were those that created new forms of connection," Shin said. "We will build a structure that directly connects trust between people — without a platform standing in between."