Coincheck, Inc. (コインチェック株式会社) — Japanese crypto-asset exchange operator overview
ConfidenceLikelyUpdated2026-07-29Review by2027-01-29Sources5Machine-translatedOriginal (JA)
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This entry sits under exchanges index. Read it with FSA crypto-asset exchange registration system — number system / Local Finance Bureau jurisdiction / registration requirements for adjacent context and Japan Financial Regulation — Legal Framework for Tokens, Crypto Assets, and Payments for the broader system boundary.
FSA registration number: Kanto Local Finance Bureau 第00014号 · JVCEA member #1017 · registration date 2019-01-11
1. Corporation / shareholders
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Trade name: コインチェック株式会社 / Coincheck, Inc. (Japanese corporation)
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Established: 2012年 (established as Wonder Inc.; trade name changed to Coincheck, Inc. in 2014年)
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Head office: Shibuya Sakura Stage SHIBUYA Side 27F, 1-4号 Sakuragaoka-cho, Shibuya-ku, Tokyo
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Corporate number: 1010001148860
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Parent company: Monex Group, Inc. (TSE Prime 8698)
- In 2018年4月, Monex Group acquired the shares to make it a wholly-owned subsidiary (acquisition price approx. 36億円)
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Listed holding company: Coincheck Group N.V. (a Dutch public limited liability company, based in Amsterdam)
- Listed on Nasdaq (tickers CNCK / CNCKW). The direct parent company of Coincheck, Inc.
- Monex Group is the largest shareholder of Coincheck Group N.V. (retaining a majority even after the merger was completed)
2. License / registration status
- Crypto-asset exchange business: Director-General of the Kanto Local Finance Bureau 第00014号 (registration date 2019-01-11)
- JVCEA member: First-class member #1017 (crypto-asset exchange business only; derivatives transaction business not authorized)
- Registration for electronic-payment-instruments transaction business, financial-instruments business, and funds-transfer business is not confirmed within the scope of JVCEA public information
3. Handled currencies
- Number of handled tokens: variable; this entry does not freeze a count and defers to Coincheck’s current supported-assets page
- Major tokens: BTC, ETH, ETC, XRP, NEM (XEM), LTC, XLM, MONA, BAT, QTUM, LSK, XEM, ENJ, SAND, AXS, etc.
- Features: Early multi-token support domestically. First to introduce the IEO (Initial Exchange Offering) function in Japan. Operates an NFT marketplace (Coincheck NFT). Spot-centered; does not offer margin or derivatives transactions
4. Scope of business
- Spot transactions: provides both an exchange (order-book trading) + a sales outlet (OTC)
- Crypto-asset lending (Coincheck Lending): borrows crypto assets from customers and uses them for cover transactions
- NFT marketplace: Coincheck NFT (β). 1-stage sales with IP holders (BtoC) + 2-stage trading between users (CtoC)
- IEO: develops Japan’s first IEO service as “Coincheck IEO”
- Fiat-currency deposits: bank transfer, quick deposit (convenience stores, Pay-easy, etc.)
- Web 3 / metaverse: Coincheck Labs (startup support / investment), sale of NFT LAND for the metaverse (The Sandbox, Otherside, Decentraland, etc.)
- Also provides corporate services (large-lot OTC transactions, etc.)
5. Market share / trading volume
- App downloads: No. 1 among domestic crypto-asset trading apps (5 consecutive years 2019–2023年, per AppTweak)
- Verified users: 175万 persons (end of 2022年9月) → 183万 persons (end of 2023年6月)
- Assets in custody (cold wallet):
- End of 2022年9月: approx. 2,796億円
- End of 2023年6月: approx. 3,465億円
- End of 2024年12月: approx. 1兆 305億円 (Coincheck Group N.V. financial disclosure 2025-02)
- Trading volume: spot trading volume 2Q FYE Mar. 2022 (3 months) 7,695百万円 (at the time). It contracted substantially during the market-downturn period (around 2023年). It expanded substantially in FY 2024年 after the market recovered. For individual monthly data, see JVCEA statistics
- Competitive position: the values above are historical figures for their stated dates and do not establish a current 2026 ranking or “top three” status. No market rank is asserted without current official values using the same period and definition.
6. History / major incidents
This table is limited to milestones confirmed in Coincheck’s company profile, FSA/JVCEA registration materials, FSA enforcement materials, and SEC Business Combination disclosures. Incident amounts, listing dates, and transaction structure follow the definitions in those primary sources. ^[Sources: https://coincheck.com/ja/info/company; https://jvcea.or.jp/member/; https://www.sec.gov/Archives/edgar/data/1843993/000121390024107527/ea022426401ex99-1_thunder4.htm; https://www.fsa.go.jp/menkyo/menkyoj/kasoutuka.xlsx.]
| Year/month | Event |
|---|---|
| 2012-08 | Established as Wonder Inc. Started a crypto-asset wallet / trading service |
| Around 2014 | Trade name changed to Coincheck, Inc. |
| 2018-01-26 | NEM (XEM) unauthorized-outflow incident : approx. 5億 2,630万 NEM in XEM held in the hot wallet (worth approx. 580億円 at the time) was fraudulently transferred by an external hacker. The company made an official announcement late at night the same day. The largest-scale crypto-asset outflow incident in Japanese history (for details, see Coincheck Nem Hack Detailed Analysis and forensic identity anchor chain) |
| 2018-03 | Received business-improvement orders (multiple times) from the FSA. Responded to FSA inspections / improvement demands |
| 2018-04 | Monex Group acquired all shares for approx. 36億円 to make it a wholly-owned subsidiary. Management structure renewed |
| 2019-01-11 | Obtained crypto-asset-exchange-business registration (Kanto Local Finance Bureau 第00014号) |
| Around 2020 | Launched the NFT marketplace “Coincheck NFT (β)” |
| 2022-03 | Announced the conclusion of a Business Combination Agreement with the Nasdaq-listed SPAC Thunder Bridge Capital Partners IV, Inc. (THCP) (Monex Group IR disclosure) |
| 2024-10 | 3th amendment to the Business Combination Agreement |
| 2024-12-05 | The merger was approved at the Thunder Bridge IV shareholders’ special resolution |
| 2024-12-10 | Merger completed (Closing). Coincheck Group N.V. established as the successor entity to THCP |
| 2024-12-11 | Nasdaq listing begins: tickers CNCK (common stock) / CNCKW (warrants). Total funds raised approx. 3,160万 dollars (net amount after redemptions). The first Nasdaq listing by a Japanese crypto-asset exchange operator |
7. Strategic developments
- Connection to global capital markets: After the Nasdaq listing, strengthened IR activities for US institutional investors. As Coincheck Group N.V., conducts continuous SEC disclosure such as F-1 / F-3 / 6-K, etc. (CIK: 0001913847)
- Web3 / metaverse expansion: operates Coincheck NFT and partnerships with IP holders. Advertising rankings are not treated as the current market rank.
- IEO expansion: leveraging Japan’s first IEO service to continue attracting projects
- Coincheck Labs: continues investment in / incubation of blockchain-related startups
- Supported assets: assets may be added or removed, so the current list takes precedence. Changes in accounts and assets in custody should be compared using the same disclosure periods and definitions.
8. Related people
- Oki Matsumoto (松本大): Representative Executive Officer, President & CEO of Monex Group; Executive Chairman of Coincheck Group N.V. (confirmed in SEC disclosure; involved in Coincheck governance since the 2018年4月 acquisition after the NEM incident)
- Satoshi Hasuo (有定誠): Representative Director & President of Coincheck, Inc. (confirmed as “President: Satoshi Hasuo” in the SEC disclosure as of 2022-2023年)
- Gary Simanson: former President & CEO of Thunder Bridge IV → Coincheck CEO after the merger (confirmed in SEC disclosure)
- Founders: Koichiro Wada (和田晃一良) and Yusuke Otsuka (大塚雄介) co-founded it (public information). Along with the management-structure renewal after the NEM incident, it transitioned to a Monex-led management team
Related
- japan-financial-regulation — Japanese financial regulation as a whole
- jp-exchange-bittrade — peer crypto-asset exchange operator (not a Monex Group affiliate)
- jp-exchange-bitflyer — bitFlyer
- jp-exchange-gmo-coin — GMO Coin
- japan-stablecoin-regulatory-landscape — related stablecoin system
- coincheck-nem-hack-detailed-analysis — Detailed analysis of the Coincheck NEM outflow incident
- monex-group — Parent company Monex Group
- jp-ieo-system-and-cases — IEO system / cases
Sources
- Coincheck company profile (retrieved 2026-07-29)
- JVCEA member list (retrieved 2026-05-18)
- SEC 8-K: Thunder Bridge IV × Coincheck Closing Press Release 2024-12-10 (retrieved 2026-05-18)
- SEC Form 425: Coincheck Group B.V. / Monex Group 2Q FYE Mar. 2023 Results 2022-10-28 (retrieved 2026-05-18)
- SEC Form 425: Coincheck Group B.V. / Monex Group 1Q FYE Mar. 2024 Results 2023-07-28 (retrieved 2026-05-18)
- SEC EDGAR EFTS: Thunder Bridge × Coincheck 8-K filings 2024 (retrieved 2026-05-18)
- FSA crypto-asset exchange operator registration list Excel (snapshot 2026-04-01)
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