# Miko Matsumura

> Miko Matsumura is a seed investor at gumi Cryptos Capital (gCC) backing Blockchain. See 32 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [gumi Cryptos Capital (gCC)](https://shizune.co/investors/profile/gumi-cryptos)
- Location: San Francisco, United States
- Total investments: 32
- Last investment: Jun 2024
- Lead investor: 53%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/mikomatsumura
- X (Twitter): http://twitter.com/mikojava
- Website: http://miko.com
- Facebook: http://www.facebook.com/mikos

Miko Matsumura is a General Partner at gumi Cryptos Capital (gCC) a blockchain focused venture capital firm

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1M–$6M |
| Pre-Seed | $1.3M–$3.3M |
| Series A | $7.4M–$25M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 20 | 63% |
| Cryptocurrency | 12 | 38% |
| FinTech | 8 | 25% |
| Financial Services | 7 | 22% |
| Information Technology | 5 | 16% |

51 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 17 | 53% |
| Series A | 5 | 16% |
| Pre-Seed | 4 | 13% |
| Initial Coin Offering | 2 | 6% |
| Venture - Series Unknown | 2 | 6% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 10 | 31% |
| United Kingdom | 6 | 19% |
| Japan | 2 | 6% |
| Estonia | 2 | 6% |
| France | 1 | 3% |

8 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Cookie3 | Cookie3 is a pioneer in the field of behavioral analytics on the blockchain. We focus on interpreting customer profiles based on the individuals' wallet history. Our ultimate goal is domination in the behavioral analytics market on the blockchain, including Metaverse, Gaming, NFTs, DeFi, and the entire Web3 ecosystem. | $5.5M | Venture - Series Unknown | Jun 04, 2024 |  |
| Rayout | Rayout is a business consulting company that provides creative content development, recruitment videos, and web production services. | $255K | Seed | May 27, 2024 |  |
| Keyring Network | Keyring equips financial service providers with permissioning tools for compliant transactions on-chain, powered by zero-knowledge privacy. The company operates at the intersection of traditional and blockchain-based finance, serving as an institutional-grade gateway to channel assets, capital, and users on-chain. | $6M | Seed | Mar 19, 2024 |  |
| Blackwing | Blackwing runs a range of modular apps while retaining decentralization, and it is distinguished by leverage trading. | $4.5M | Seed | Mar 07, 2024 |  |
| Arkis - DeFi Prime Broker | The only institutional-grade undercollateralized leverage protocol with a DeFi-native portfolio margin. | $2.3M | Pre-Seed | Feb 27, 2024 |  |
| Singularity | Portal Gate operates as a compliant on-chain gateway to privacy and anonymity. | $2.2M | Seed | Dec 01, 2023 |  |
| jiritsu.network | Jiritsu is a decentralized protocol enabling verifiable compute. | $10.2M | Series A | Sep 19, 2023 |  |
| Mangrove DAO | Mangrove DAO is an order book-based Decentralized exchange that allows liquidity providers to publish whimsical smart contracts as offers. | $7.4M | Series A | Feb 27, 2023 |  |
| Ethos | Your home base for web3 on Sui. Easy to integrate in-dapp Sui wallet. Best way to onboard new crypto-curious users. | $4.2M | Seed | Jan 26, 2023 |  |
| Souq G-Commerce | Souq is lowering the barriers to access and participate in GameFi. We're building the infrastructure powering community-owned financial markets where players can thoughtfully invest in the games they love. | $3.3M | Pre-Seed | Jun 06, 2022 |  |

10 of 32 investments shown.

## Co-investors
- [G1 Ventures](https://shizune.co/investors/profile/g1-venture-capital) — VC Fund, 6 deals together
- [Greenfield](https://shizune.co/investors/profile/greenfield-one) — VC Fund, 6 deals together
- [CMT Digital](https://shizune.co/investors/profile/cmt-digital-ventures-llc) — VC Fund, 5 deals together
- [tokentus investment AG](https://shizune.co/investors/profile/tokentus-invstment-ag) — VC Fund, 5 deals together
- [Pantera Capital](https://shizune.co/investors/profile/pantera-capital) — VC Fund, 4 deals together
- [RockawayX](https://shizune.co/investors/profile/rockaway-blockchain) — VC Fund, 4 deals together

## About gumi Cryptos Capital (gCC)

VC Fund · San Francisco, United States

gCC is a boutique early-stage venture capital firm based in Silicon Valley. Since 2018, we have supported some of the best builders in the industry, adding value through our entrepreneurial experience and global networks. We believe the Internet will become the single largest market in human history, and it will be rebuilt on a foundation of newprotocols that protect and coordinate the transfer of digital assets, resources and intellectual property, generate consensus, incentivize network participants and decentralize ownership.

5 contacts available at gumi Cryptos Capital (gCC).

| Name | Title | Profile |
| --- | --- | --- |
| Daniel Bronheim | Investment Analyst | https://shizune.co/investors/profile/daniel-bronheim-b0e5 |
| Evan Mair | Principal | https://shizune.co/investors/profile/evan-mair-8035 |
| Evans Huangfu | Partner | https://shizune.co/investors/profile/evans-huangfu |
| Hironao Kunimitsu | CEO | https://shizune.co/investors/profile/hironao-kunimitsu |
| Miko Matsumura | General Partner | https://shizune.co/investors/profile/miko-matsumura |

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## FAQ

### What does Miko Matsumura invest in?

Miko Matsumura invests primarily in Blockchain, Cryptocurrency and FinTech startups, most often at Seed and Series A stage. Most of the 32 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Miko Matsumura's check size?

Miko Matsumura typically joins rounds of $1M–$6M at Seed, $1.3M–$3.3M at Pre-Seed and $7.4M–$25M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Miko Matsumura participates in.

### When did Miko Matsumura last invest?

The most recent investment recorded for Miko Matsumura closed in Jun 2024. Shizune tracks 32 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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