# Igor Barinov

> Igor Barinov is a seed investor in San Francisco backing Blockchain and Web3. See 5 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: San Francisco, United States
- Total investments: 5
- Last investment: Mar 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/igorbarinov
- X (Twitter): http://twitter.com/wikileaksapp
- Website: https://x.com/wikileaksapp
- Facebook: http://www.facebook.com/igor.barinov

Igor Barinov is a seed investor in San Francisco focused on Blockchain and Web3. Igor Barinov is based out of Menlo Park, California and is the CEO and Founder of Blockscout. Igor Barinov attended Lomonosov Moscow State University.

## Contacts

5 contacts available for Igor Barinov: 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/igor-barinov?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.7M–$4.5M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 3 | 60% |
| Web3 | 2 | 40% |
| Cryptocurrency | 2 | 40% |
| Decentralized Finance (DeFi) | 2 | 40% |
| Apps | 1 | 20% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 80% |
| Pre-Seed | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 1 | 20% |
| Cayman Islands | 1 | 20% |
| United Kingdom | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sablier | Sablier provides a token distribution protocol used by DAOs and businesses for vesting, payroll, airdrops, and more. The linear stream is our flagship payment model, which distributes assets on a continuous, by-the-second basis.The way it works is that the sender of a payment stream first deposits a specific amount of ERC-20 tokens in a contract.Then, the contract progressively allocates the funds to the recipient, who can access them as they become available over time. The payment rate is influenced by various factors, including the start and end times, as well as the total amount of tokens deposited. | $4.5M | Seed | Mar 22, 2024 | https://sablier.com/ |
| Hedgehog Protocol | Hedgehog Protocol operates as a cryptocurrency trading fee hedging protocol. | $1.5M | Pre-Seed | Mar 06, 2024 | https://www.thehedgehog.io/ |
| Citrea | Citrea is the first rollup that enhances the capabilities of Bitcoin blockspace with zero-knowledge technology, making it possible to build everything on Bitcoin. | $2.7M | Seed | Feb 21, 2024 | https://citrea.xyz |
| Chainway Labs | Chainway Labs is a blockchain infrastructure company focused on Bitcoin, Ethereum, and zero-knowledge technology. They are also Builders of Citrea, Bitcoin's First ZK Rollup. The last few decades of innovation were defined by the internet. The firm believe Bitcoin and blockchains will shape the coming decades. | $2.7M | Seed | Feb 21, 2024 | https://x.com/chainway_xyz |
| Brink | Brink is a trading application for NFTs and DeFi assets. Brink offers composable trading strategies and automated conditional orders that are built on blockchain. It automates order limits for ERC-20s and NFTs as well as monitors the order status. | $3M | Seed | Oct 11, 2022 | https://www.brink.trade/ |

5 of 5 investments shown.

## Co-investors
- [3Commas](https://shizune.co/investors/profile/3-commas) — VC Fund, 1 deal together
- [a16z crypto](https://shizune.co/investors/profile/a16z-crypto) — VC Fund, 1 deal together
- [A.Capital Ventures](https://shizune.co/investors/profile/capital-partners-l-p) — VC Fund, 1 deal together
- [Cyfrin](https://shizune.co/investors/profile/cyfrin) — VC Fund, 1 deal together
- [DCV capital](https://shizune.co/investors/profile/dcv-capital) — VC Fund, 1 deal together
- [Delphi Ventures](https://shizune.co/investors/profile/delphi-ventures) — VC Fund, 1 deal together

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## FAQ

### What does Igor Barinov invest in?

Igor Barinov invests primarily in Blockchain, Web3 and Cryptocurrency startups, most often at Seed and Pre-Seed stage. Most of the 5 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 Igor Barinov's check size?

Igor Barinov typically joins rounds of $2.7M–$4.5M 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 Igor Barinov participates in.

### How do I contact Igor Barinov?

Public channels for Igor Barinov include LinkedIn, X (Twitter) and 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 Igor Barinov last invest?

The most recent investment recorded for Igor Barinov closed in Mar 2024. Shizune tracks 5 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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