Korea Digital Asset Custody

Who Is Behind the Company

Kim Jun-hong, Kisu Sung [Venturesquare, 2026]; [LinkedIn, 2026].

What an Investor Needs First

Korea Digital Asset Custody (KDAC) has established itself as the leading regulated custodian for digital assets in South Korea, a position validated by its dominant market share and unique compliance certifications [The Block, February 2024]. Founded in 2020, the company has capitalized on the country's evolving regulatory framework for virtual asset service providers (VASPs), positioning its infrastructure as a critical gateway for institutional capital entering the crypto market. Its core offering is a security-first custody solution for corporate and institutional clients, differentiated by its status as the sole crypto custodian in the country to have obtained SOC 1 Type 2 certification for financial reporting [Cointrust].

The founding team, led by CEO Kim Jun-hong, has guided the company through multiple undisclosed funding rounds backed by a consortium of major Korean financial and industrial groups, including NH Investment & Securities and Shinhan Venture Investment [Preqin, November 2025]. This investor base provides strategic credibility and potential distribution channels within the traditional finance sector. The business model is B2B, serving nearly 100 large institutional companies [Injective blog].

Over the next 12-18 months, the key watchpoints will be the company's ability to defend its leadership against incursions from major domestic banks, its success in converting its recent Pre-Series A capital into expanded service offerings and customer acquisition, and any movement toward disclosing financial metrics.

Data Accuracy: YELLOW -- Key claims like market share are corroborated by third-party reports, but specific financials and detailed customer lists remain undisclosed.

Inside the Company

Korea Digital Asset Custody (KDAC) was founded in 2020, positioning itself at the onset of a formal regulatory push for digital asset custody in South Korea. The company's establishment in Seoul aligns with a national strategy to bring institutional rigor to the crypto sector [Crunchbase].

Key leadership is confirmed, with Kim Jun-hong serving as CEO as of a 2026 report [Venturesquare, 2026]. The founding team includes Kim Jun-hong and Kisu Sung [LinkedIn, 2026].

The company's primary milestone is its claimed market leadership, with its share of the local crypto asset custody sector reported at 80% as of the end of June 2023, a figure cited by the Korea Financial Intelligence Unit [The Block, February 2024]. A significant compliance achievement followed, with KDAC becoming the sole crypto custodian in Korea to obtain the SOC 1 Type 2 certification for financial reporting [Cointrust]; [Blockchain.news]. Its capital base was reinforced in late 2025 by a Pre-Series A round involving strategic investors from Korea's industrial and financial sectors [Preqin, November 2025]; [WOWTALE, November 2025].

Data Accuracy: YELLOW -- Core facts like founding year and CEO are confirmed, but some details rely on single commercial databases.

Under the Hood

Korea Digital Asset Custody's core offering is a regulated, institutional-grade custody platform for digital assets. The company's public positioning emphasizes security and compliance as its primary product differentiators [KDAC website]. Its services cater to corporate and institutional investors, with the company claiming the title of the first Virtual Asset Service Provider (VASP) certified as a venture business in the country [KDAC website].

KDAC is the sole crypto custodian in Korea to have obtained SOC 1 Type 2 certification for internal controls over financial reporting [Cointrust]; [Blockchain.news]. The company also holds an Information Security Management System (ISMS) certification [CryptoRank.io]. The service utilizes an air-gapped environment and multi-signature technology to secure private keys [Crunchbase]. The platform supports major blockchain networks like Bitcoin and Ethereum [CryptoRank.io].

KDAC has expanded its product surface to include adjacent institutional services, such as blockchain validator and staking services [CryptoRank.io]. This was demonstrated through a partnership where KDAC launched a validator node on the Injective blockchain [Injective blog].

Data Accuracy: YELLOW -- Product claims are sourced from the company website and third-party reports, but specific technical architecture is not fully corroborated by independent technical reviews.

Market Research

Demand for institutional-grade digital asset custody is driven by regulatory clarity and asset maturation in South Korea. The Korea Financial Intelligence Unit (KoFIU) reporting framework provides the basis for market share calculations [The Block, February 2024].

The 2021 Virtual Asset Service Provider (VASP) licensing regime created a compliance floor, forcing service providers to seek qualified custodians. The claim that KDAC serves nearly 100 large institutional companies points to underlying demand [Injective blog].

Metric	Value
Reported Market Share (Jun 2023)	80%

Data Accuracy: YELLOW -- Market share figure is corroborated by multiple third-party reports citing a KoFIU source, but precise TAM/SAM sizing is not publicly available.

Competition and Substitutes

Korea Digital Asset Custody (KDAC) is a domestic, compliance-first custody provider competing against global technology platforms and local financial incumbents.

Company	Positioning	Notable Differentiator
Korea Digital Asset Custody	Institutional digital asset custody	Sole crypto custodian in Korea with SOC 1 Type 2 certification
KB Kookmin Bank	Commercial bank	Pre-existing trust relationships
Shinhan Bank	Commercial bank	Dual role as investor and competitor
Fireblocks	Global technology platform	MPC technology and global network
Komainu	Regulated custodian	Backed by Nomura, Ledger, and CoinShares

KDAC's defensible edge is its regulatory and compliance moat. The SOC 1 Type 2 certification is a significant barrier for new entrants [Cointrust]. The backing from NH Investment & Securities and Shinhan Venture Investment provides a distribution advantage [Preqin, November 2025].

Data Accuracy: YELLOW -- Competitor identification is confirmed, but detailed differentiation claims for some competitors rely on single-source reports.

Opportunity

KDAC is positioned to capture the institutional custody market in South Korea, holding a reported 80% market share [The Block, February 2024]. Its status as the sole crypto custodian in Korea with SOC 1 Type 2 certification creates a significant barrier [Cointrust].

Data Accuracy: YELLOW -- Market share and certification claims are corroborated by multiple third-party reports, but specific customer names are not publicly available.

Sources

1. [KDAC website] https://www.kodax.com/en
2. [Preqin, November 2025] https://www.preqin.com/data/profile/asset/korea-digital-asset-custody/408594
3. [Injective blog] https://injective.com/blog/kdac-koreas-leading-custodian-launches-validator-on-injective-2
4. [Crunchbase] https://www.crunchbase.com/organization/korea-digital-asset-custody
5. [Venturesquare, 2026] https://www.venturesquare.net/en/1016194
6. [LinkedIn, 2026] https://www.linkedin.com/in/kisu-sung-188ab05/
7. [The Block, February 2024] https://www.theblock.co/post/269075/korea-digital-asset-custody-market-share-80-percent
8. [Cointrust] https://cointrust.com/market-news/kdac-obtains-soc-1-type-2-certification
9. [Blockchain.news] https://www.blockchain.news/news/kdac-secures-soc-1-type-2-certification
10. [CryptoRank.io] https://cryptorank.io/companies/korea-digital-asset-custody
11. [WOWTALE, November 2025] https://en.wowtale.net/2025/11/26/232926/
12. [PRNewswire, June 2023] https://www.prnewswire.com/news-releases/wemade-integrates-fireblocks-the-industry-leading-digital-assets-technology-provider-301841035.html
13. [PRNewswire, 2026] https://www.prnewswire.com/news-releases/digital-asset-custodian-komainu-closes-25m-series-a-to-expand-institutional-custody-offering-301243002.html