Kaito Yanai
Angel Investor
Tokyo, Japan
Kaito Yanai is a seed investor in Tokyo focused on Ethereum and Internet. Kaito Yanai is an individual investor and is the Founder at Spire Labs.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Kaito Yanai invests in
Stages Kaito Yanai invests in
Countries Kaito Yanai invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Ethereum 1 (50%)
- Internet 1 (50%)
- Blockchain 1 (50%)
- Cryptocurrency 1 (50%)
Stage
- Seed 1 (50%)
- Pre-Seed 1 (50%)
Country
- Singapore 1 (50%)
- United States 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Diagonal is a non-custodial protocol for recurring payments on Ethereum. | $2.5M / Pre-Seed / Mar 04, 2022 | ||
| Ethereum Push Notification Service (EPNS) is a decentralized notification protocol that enables any dApps or smart contracts to send platform-agnostic, incentivized, and dynamic notifications. | $750K / Seed / Dec 08, 2020 |
Co-Investors
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FAQ
What does Kaito Yanai invest in?
Kaito Yanai invests primarily in Ethereum, Internet and Blockchain startups, most often at Seed and Pre-Seed stage. Most of the 2 investments tracked by Shizune back companies in Singapore. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Kaito Yanai?
Public channels for Kaito Yanai include LinkedIn and X (Twitter). 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 Kaito Yanai last invest?
The most recent investment recorded for Kaito Yanai closed in Mar 2022. Shizune tracks 2 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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