# Einar Braathen

> Einar Braathen is a seed investor in Boston backing Blockchain, FinTech and Cryptocurrency. See 10 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Boston, United States
- Total investments: 10
- Last investment: Dec 2025
- Lead investor: 70%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ehbraathen
- X (Twitter): https://twitter.com/einar_hb

Einar Braathen is a seed investor in Boston focused on Blockchain and FinTech. Einar H. Braathen is Web3 investor @ CoinFund.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.6M–$6.3M |
| Pre-Seed | $1.6M–$3M |
| Series A | $9.5M–$29M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 4 | 40% |
| FinTech | 3 | 30% |
| Cryptocurrency | 3 | 30% |
| Web3 | 2 | 20% |
| Software | 2 | 20% |

13 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 40% |
| Series A | 3 | 30% |
| Pre-Seed | 2 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Norway | 1 | 10% |
| Denmark | 1 | 10% |
| Germany | 1 | 10% |
| United States | 1 | 10% |
| United Kingdom | 1 | 10% |

6 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| LI.FI | Li.Finance provides the cross-chain swap across all liquidity pools and bridges. Li.Finance is a mesh of aggregated cross-chain liquidity networks and protocols that makes liquidity available when needed to fuel next-generation DeFi initiatives with superior UX. It is founded in 2021 and is based in Berlin, Germany. | $29M | Series A | Dec 11, 2025 |  |
| Irys | Irys is the only provenance layer. It enables users to scale permanent data and precisely attribute its origin. | $10M | Series A | Aug 21, 2025 |  |
| STON.fi | STON.fi is a decentralized automated market maker (AMM) built on the TON blockchain, with an extremely simple UI and direct connection with TON wallets. | $9.5M | Series A | Jul 30, 2025 |  |
| STON.fi | STON.fi is a decentralized automated market maker (AMM) built on the TON blockchain, with an extremely simple UI and direct connection with TON wallets. |  | Seed | May 14, 2024 |  |
| Prime Intellect | Prime Intellect is an artificial intelligence infrastructure company that develops an open platform for training, deploying, and continuously improving AI models and agents. It combines AI infrastructure, reinforcement learning (RL) tooling, compute orchestration, and open-source research to make frontier AI training accessible to organizations ofall sizes. Its platform enables enterprises and researchers to build, evaluate, fine-tune, and deploy custom AI models while leveraging globally distributed compute resources.The company's platform provides an integrated stack for compute, RL post-training, evaluation, inference, and agent development. Its offerings include hosted model training on thousands of reinforcement learning environments, evaluation tools with public leaderboards, one-click deployment for fine-tuned models, and infrastructure that continuously feeds production data back into training workflows. Prime Intellect also operates an Environment Hub containing thousands of open-source RL environments and develops prime-rl, an open-source framework for large-scale asynchronous reinforcement learning. | $5.5M | Seed | Apr 22, 2024 |  |
| Giza | Giza changes this by using zero-knowledge cryptography to bring model inferencing on-chain, unlocking a new depth for smart contract design. | $3M | Pre-Seed | Jul 11, 2023 |  |
| LI.FI | Li.Finance provides the cross-chain swap across all liquidity pools and bridges. Li.Finance is a mesh of aggregated cross-chain liquidity networks and protocols that makes liquidity available when needed to fuel next-generation DeFi initiatives with superior UX. It is founded in 2021 and is based in Berlin, Germany. | $17.5M | Series A | Mar 30, 2023 |  |
| Januar | Januar is a payment gate for crypto companies. They offer payment account solutions to accept payments and send payouts while maintaining full compliance and stable business operations. | $6.3M | Seed | May 05, 2022 |  |
| Presail | Presail is a Management platform for community-driven funding. Presail makes it easy for companies and investors to manage investments in web 3.0. Create deals, manage cap-tables & distribute assets - all in one app | $1.6M | Seed | Mar 02, 2022 |  |
| Presail | Presail is a Management platform for community-driven funding. Presail makes it easy for companies and investors to manage investments in web 3.0. Create deals, manage cap-tables & distribute assets - all in one app | $1.6M | Pre-Seed | Mar 02, 2022 |  |

10 of 10 investments shown.

## Co-investors
- [Global Founders Capital](https://shizune.co/investors/profile/global-founders-capital) — VC Fund, 2 deals together
- [Triton Capital](https://shizune.co/investors/profile/kraken-ventures) — VC Fund, 2 deals together
- [Skyfall Ventures](https://shizune.co/investors/profile/skyfall-ventures) — VC Fund, 2 deals together
- [WAGMI Ventures](https://shizune.co/investors/profile/wagmi-ventures-3757) — VC Fund, 2 deals together
- [Weekend Fund](https://shizune.co/investors/profile/weekend-fund) — VC Fund, 2 deals together
- [Abra](https://shizune.co/investors/profile/abra) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Coinbase Ventures](https://shizune.co/investors/profile/coinbase-ventures) — VC Fund
- [Animoca Brands](https://shizune.co/investors/profile/animoca-brands-corporation) — VC Fund
- [Digital Currency Group](https://shizune.co/investors/profile/digital-currency-group) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Investinor](https://shizune.co/investors/profile/investinor) — VC Fund
- [Skyfall Ventures](https://shizune.co/investors/profile/skyfall-ventures) — VC Fund

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- [Blockchain Angel Investors in Norway](https://shizune.co/investors/blockchain-angel-investors-norway)

## FAQ

### What does Einar Braathen invest in?

Einar Braathen invests primarily in Blockchain, FinTech and Cryptocurrency startups, most often at Seed and Series A stage. Most of the 10 investments tracked by Shizune back companies in Norway. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Einar Braathen's check size?

Einar Braathen typically joins rounds of $1.6M–$6.3M at Seed, $1.6M–$3M at Pre-Seed and $9.5M–$29M 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 Einar Braathen participates in.

### When did Einar Braathen last invest?

The most recent investment recorded for Einar Braathen closed in Dec 2025. Shizune tracks 10 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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