# Kenji Tanaka

> Kenji Tanaka is a seed investor in Tokyo backing Blockchain and Cryptocurrency. See 3 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: Tokyo, Japan
- Total investments: 3
- Last investment: Apr 2021
- Lead investor: 67%
- Last updated: Aug 2026
- Website: https://x.com/kenjitanaka_ 

Kenji Tanaka is a seed investor in Tokyo focused on Blockchain and Cryptocurrency. I'm Kenji Tanaka — an angel investor, strategic advisor, and blockchain enthusiast supporting talented teams building the future of decentralized technologies. Over the past six years, I've collaborated with more than 30 early-stage blockchain startups across Asia and globally, guiding them from inception through successful market entryand growth. Outside of my professional sphere, I enjoy mentoring young blockchain enthusiasts, contributing to open-source blockchain initiatives, and exploring new technologies in artificial intelligence. In my free time, you can find me exploring Tokyo's specialty coffee shops or enjoying Singapore's street food markets.

## Contacts

5 contacts available for Kenji Tanaka: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/kenji-tanaka-8b64?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.5M–$3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 3 | 100% |
| Cryptocurrency | 2 | 67% |
| Information Technology | 2 | 67% |
| Web3 | 1 | 33% |
| Software | 1 | 33% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Pre-Seed | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Israel | 1 | 33% |
| Singapore | 1 | 33% |
| Seychelles | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Omnity Network | Octopus is a cryptonetwork for launching and running Web3.0 application specific blockchains, aka appchains. By decreasing the capital expenditure for bootstrap an appchain by two orders of magnitude, from several million dollars to less than one hundred thousand dollars, Octopus Network is committed to unleash an innovation wave of Web3.0. | $3M | Seed | Apr 02, 2021 |  |
| Biconomy | Biconomy is a relayer infrastructure network and transaction highway to reduce the friction between applications built on the blockchain and the end-users. Biconomy’s relayer network comprises of an SDK and dashboard that abstracts and hides many of the complexities of opening a wallet, storing private keys, paying gas, and buying cryptocurrency. | $1.5M | Seed | Dec 31, 2020 |  |
| Valid Network | Valid Network offers an AI-based market intelligence platform that empowers transparency into Web3. The company gives a multi-level market intelligence that helps to understand and track in real time factors such as risk, reputation and Health. It allows the user to gain insight into any Token, Wallet or Ecosystem statistics and strategy.ValidNetwork was founded in 2018 and headquartered in New York. | $2M | Pre-Seed | Oct 16, 2018 |  |

3 of 3 investments shown.

## Co-investors
- [Eden Block](https://shizune.co/investors/profile/eden-block) — VC Fund, 2 deals together
- [Ascensive Assets](https://shizune.co/investors/profile/ascensive-asset-management) — VC Fund, 1 deal together
- [Binance](https://shizune.co/investors/profile/binance) — VC Fund, 1 deal together
- [Bixin Ventures](https://shizune.co/investors/profile/bixin-ventures) — VC Fund, 1 deal together
- [OKX Ventures](https://shizune.co/investors/profile/block-dream-fund) — VC Fund, 1 deal together
- [Creative Destruction Lab](https://shizune.co/investors/profile/creative-destruction-lab) — VC Fund, 1 deal together

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### Similar industry
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### Similar stage
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### Similar country
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## Featured in investor lists
- [Software Angel Investors in Seychelles](https://shizune.co/investors/software-angel-investors-seychelles)
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## FAQ

### What does Kenji Tanaka invest in?

Kenji Tanaka invests primarily in Blockchain, Cryptocurrency and Information Technology startups, most often at Seed and Pre-Seed stage. Most of the 3 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Kenji Tanaka's check size?

Kenji Tanaka typically joins rounds of $1.5M–$3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Kenji Tanaka participates in.

### How do I contact Kenji Tanaka?

Public channels for Kenji Tanaka include the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Kenji Tanaka last invest?

The most recent investment recorded for Kenji Tanaka closed in Apr 2021. Shizune tracks 3 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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