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Mercury Inc. (CoinTrade) — Japanese crypto-asset exchange operator overview

Confidence: Likely Updated 2026-05-18 Review by 2026-08-08 Sources 4 Machine-translated Original (JA)
#fintech#jp-crypto-exchange#vasp
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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 Director-General 第00025号 · JVCEA member #1030 · registration date 2021-02-17

1. Corporate / shareholders

  • Trade name: Mercury Inc. (Japanese: 株式会社マーキュリー)
  • Service name: CoinTrade
  • Established: 2017年9月1日
  • Head office: Shibuya Infoss Tower 12F, 20-1号 Sakuragaoka-cho, Shibuya-ku, Tokyo (〒150-0031)
  • Capital: 3,000万円 (as of end of 2025年12月)
  • Shareholder: Ceres Inc. (a Mothers-listed IT company; points / mobile business), invested 100% (public information; investment ratio not disclosed)
  • Affiliated company: bitbank, Inc. (per official site)

Ceres Inc. is a Mothers-listed company founded in 2005年 by Satoshi Motoki. Mercury was established in 2017年9月 as Ceres’s crypto-asset business division.

2. License / registration status

  • Crypto-asset exchange business: Kanto Local Finance Bureau Director-General 第00025号
  • JVCEA membership type: Type 1 (crypto-asset exchange business only; no derivatives-business registration)
  • Member associations: JVCEA · JCBA (Japan Crypto Asset Business Association) · JBA (Japan Blockchain Association) · BCCC · JPCrypto-ISAC
  • Registration for financial instruments business / electronic payment instruments business / funds-transfer business cannot be confirmed from public information

3. Supported currencies

  • Supported assets: the official top page shows prices for BTC · ETH · XRP · LTC · BCH · ADA, confirming these as the main supported assets. The total number of supported assets is not stated on the official site (as of 2026-05-18).
  • Staking targets: 11 assets in total (per official site)
  • Distinctive feature: brokerage (販売所) format (no exchange = order-book trading offered). Differentiates as a multi-function asset-operation platform specialized in staking, lending, and recurring purchase.

4. Scope of business

  • Spot trading: crypto-asset brokerage (spot 販売所)
  • Staking: CoinTrade Stake (11 supported assets)
  • Lending: CoinTrade Lending
  • Recurring investment: scheduled purchases (minimum 500円/time)
  • PC trading tool: yes
  • Minimum purchase amount: 100円
  • Margin / derivatives: none (FSA registration is also crypto-asset exchange business only)
  • Corporate services: account opening supported for both individuals and corporations (there is an “Account-Opening Flow (Corporate Customers)” document)
  • Deposit channels: public information mentions “JPY deposit methods · scheduled deposits.” Specific channels (whether quick deposit exists) cannot be confirmed within the publicly viewable pages
  • 2026-05-15 award: won Oricon Customer Satisfaction Survey “first highly-rated company” (official announcement)

5. Market share / trading volume

  • Trading volume, account count, and AUM are not disclosed (as of 2026-05-18)
  • No figures can be obtained from the company’s corporate site or JVCEA disclosure materials either
  • Among 26 社 JVCEA Type 1 members, registration number is #00025 (a latecomer in registration order)
  • Presumed a small-to-mid-scale retail-individual platform. A niche-segment strategy specialized in staking / recurring investment is evident. bitbank is a group affiliate, so infrastructure-side cooperation is possible
  • Competitive position: niche (no trading-volume basis; no per-company disclosure in JVCEA statistics)

6. History / major events

Year-monthEvent
2017年9月1日Mercury Inc. established (Ceres Inc. invested 100%)
2017年9月Satoshi Motoki appointed director
2018年8月Hiroki Terato and Hitoshi Tada appointed director / auditor
2021年2月17日FSA crypto-asset exchange operator registration (Kanto Local Finance Bureau Director-General 第00025号)
2020年7月Satoshi Motoki appointed Representative Director and President
2021年 (inferred from Copyright notice)CoinTrade service officially launched
2021年3月Takaaki Fujiwara appointed Director and Vice President
2023年3月Takahito Komiya appointed director
2026年5月Oricon Customer Satisfaction Survey “highly-rated company” first certification (official announcement 2026-05-15)

No public information on administrative actions, hacks, or major outages has been confirmed as of 2026-05-18. There were announcements of deposit/withdrawal suspension measures for POL · BCH in 2026年4月-5 (presumed technical reasons on the token side; separate from FSA administrative action).

7. Strategic developments

  • 2026年5月: temporary deposit/withdrawal suspension handling for POL · BCH (specific cause cannot be judged from public information)
  • 2026年4月-5: rolled out a self-organized event series including Fukuoka (user-acquisition / education type)
  • A clear staking-strengthening path. Expanding awareness centered on individual investors via columns and media exposure
  • Details of capital / technical cooperation with bitbank are undisclosed. The official site has a link to bitbank MARKETS
  • No public information on IPO / M&A
  • Representative Director and President: Satoshi Motoki — graduated from Sophia University Faculty of Economics → Nomura Securities → head of the President’s Office at CyberAgent. Founded Ceres in 2005年 and serves as Representative Director. Concurrently Representative Director of Mercury since 2020年7月
  • Director and Vice President: Takaaki Fujiwara — from Recruit; appointed in 2021年3月 after stints at LastRoots and others
  • Directors: Hiroki Terato (from Ceres’s Corporate Planning Office head role), Takahito Komiya (from Daiwa Securities · OANDA · LastRoots)
  • Auditors: Hitoshi Tada (former Nomura Securities director and executive officer chairman · president of Daiko Clearing Services; concurrently Ceres director), Takashi Kanda

Sources