키인사이드
1 known investors
Korean blockchain software developer behind MiL.K, an app that consolidates loyalty points from partner brands.
Also known as (주)키인사이드 · ㈜키인사이드 · Key Inside · 키인사이드
Investors · 1
Company profile
researched Aug 2026키인사이드 (Key Inside) is a Korean software development company classified under computer systems integration consulting and construction services, with a stated business scope of software development, sales and distribution and enterprise blockchain platform service development. Its flagship project is MiL.K, a blockchain-based loyalty point integration platform delivered as a mobile app, which lets users combine and use points across brands rather than within a single merchant program. The company also maintains an in-house research institute, "unlock", established in November 2018.
The company is headquartered on the 9th floor of a building on Pangyoyeok-ro 192beon-gil, Sampyeong-dong, Bundang-gu, Seongnam, Gyeonggi Province, near Pangyo Station. It is represented by CEO Cho Jung-min (조정민) and is described as a startup, SME and venture-certified company. Job-board company records list it as part of a "Key Inside Group" alongside affiliate Milk Partners Co., Ltd. Reported paid-in capital is KRW 85.5 million.
Beyond the points platform, the company has moved into NFT and metaverse content. In 2021 it launched an NFT art label, Artnetic, and made a strategic investment in Noneuni Special Forces Entertainment, the content and IP company led by composer-producer Kim Hyung-suk, to jointly pursue NFT and metaverse business, with Key Inside providing technical support for NFT content production and metaverse ecosystem development.
Business model
The company builds and operates blockchain-based software platforms, with its main service being the MiL.K app that integrates loyalty points from partner companies. Partner brands connect their point programs to the platform, and the company also performs software development, sales and distribution and enterprise blockchain platform service work.
Revenue is generated from software development and blockchain platform services; reported annual revenue was KRW 3.75 billion in 2024.
Traction
Reported partners for the MiL.K point platform include Yanolja, L.Point, SKP, Megabox and AirAsia, with additional partnerships cited for Shinsegae Internet Duty Free, Jin Air and Ambassador Hotel Group. Reported revenue was KRW 4.37 billion (2021), KRW 2.52 billion (2022), KRW 2.07 billion (2023) and KRW 3.75 billion (2024); headcount is listed at 12 (national pension data) to 29 employees.
Latest developments
In 2021 the company partnered with and received investment from Kakao subsidiary Ground X (May), announced a strategic investment in Noneuni Special Forces Entertainment to co-develop NFT and metaverse content with composer Kim Hyung-suk (July), and launched the NFT art label Artnetic (September). Reported 2024 revenue was about KRW 3.75 billion, up 81% year on year, with an operating loss of roughly KRW 2.83 billion and a net loss of about KRW 4.68 billion.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Positioned as a blockchain startup in the loyalty-point integration segment, with its MiL.K platform connected to well-known Korean consumer brands and an affiliate structure that includes Milk Partners.
Technology
Blockchain-based platform technology used to aggregate and exchange loyalty points across companies, extended to NFT issuance and metaverse content support. The company operates a corporate research institute, unlock, founded in 2018.
Go-to-market
Growth is driven by partnership agreements with consumer brands whose loyalty programs are connected to the MiL.K app, including travel, retail, duty-free, airline, cinema and hotel partners, together with continued negotiations with additional domestic and international affiliates.
Consumers who accumulate loyalty points across multiple brands and want to consolidate and use them, plus enterprise partners — travel, retail, duty-free, airline, cinema and hotel companies — that connect their point programs to the platform.
Geography
Headquartered in Pangyo, Bundang-gu, Seongnam, Gyeonggi Province, South Korea. The company describes ongoing discussions with domestic and overseas partners and stated plans to expand into global markets alongside its NFT/metaverse business.
History
The corporation was established in February 2018 (sources give 2018-02-06 and 2018-02-12 as the incorporation date). In November 2018 it set up an in-house research institute named unlock. The MiL.K service was formally launched in February 2020. In May 2021 it announced a business partnership with and investment from Ground X, a Kakao subsidiary. In July 2021 it made a strategic investment in Noneuni Special Forces Entertainment for joint NFT and metaverse business, and in September 2021 it launched the NFT art label Artnetic.
Compiled by commissioned research from 4 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 9
launches, deals, and filingsKey Inside made a strategic investment in composer-producer Kim Hyung-suk's content company Noneuni Special Forces Entertainment and agreed to jointly pursue NFT and metaverse projects, providing technical support for NFT content production; roughly 200 artists were expected to join.
Milk Partners announced linking MiL.K points with cinema chain Megabox.
Company history lists a business alliance and investment from Kakao subsidiary Ground X.
Blockchain-based loyalty point integration app formally launched.
Corporation established in February 2018 (2018-02-06 per one registry listing, 2018-02-12 per another).
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 4
primary sources listed
- (주)키인사이드 2026년 기업정보 | 직원수, 근무환경, 복리후생 등 - 사람인saramin.co.kr · web
4 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does 키인사이드 do?
- Korean blockchain software developer behind MiL.K, an app that consolidates loyalty points from partner brands.
- Who are 키인사이드's investors?
- 키인사이드's investors include Laguna Investment.