Quantstamp
VC Fund
San Francisco, United States
Quantstamp is a leading blockchain security company specializing in ensuring the reliability and integrity of blockchain ecosystems. The company provides a range of security services, including comprehensive audits, protocol testing, and vulnerability assessments. Additi
- Total investments:
- 42
- Last investment:
- Lead investor:
- 5%
Last updated:
For AI agents: llms.txt
Industries Quantstamp invests in
Stages Quantstamp invests in
Countries Quantstamp invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 17 contacts → | |||
Round size
- Seed
- $1.5M–$20M
- Pre-Seed
- $1.5M–$35M
- Series A
- $16M–$40M
Investment Focus
Industry
- Blockchain 18 (43%)
- Cryptocurrency 17 (40%)
- Software 8 (19%)
- Web3 4 (10%)
- Internet 4 (10%)
Stage
- Seed 26 (62%)
- Pre-Seed 5 (12%)
- Series A 3 (7%)
- Venture - Series Unknown 3 (7%)
- Funding Round 2 (5%)
Country
- United States 11 (26%)
- Singapore 3 (7%)
- United Kingdom 3 (7%)
- Canada 2 (5%)
- Israel 2 (5%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Alex Murashkin
Head Of Infrastructure and Senior Software Engineer
|
Head Of Infrastructure and Senior Software Engineer | Total investments: 0 | Find email | |
Don Ho
Managing Director
|
Managing Director | Total investments: 4 | Find email | |
Don Ho
Managing Director
|
Managing Director | Total investments: 8 | Find email | |
Ed Zulkoski
Senior Research Engineer
|
Senior Research Engineer | Total investments: 0 | Find email | |
Jan Gorzny
Blockchain Researcher
|
Blockchain Researcher | Total investments: 0 | Find email | |
| See all 17 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Hemi (https://hemi.xyz) is a modular protocol that integrates Bitcoin and Ethereum to amplify and extend the core capabilities of the two leading blockchain networks. This offers a novel perspective on blockchain interoperability and scaling by approaching Bitcoin and Ethereum as components of a single supernetwork. The result providessecurity that exceeds that of Bitcoin (“superfinality”) and new levels of blockchain programmability, portability, and potential. Hemi was co-founded by Jeff Garzik (former Bitcoin core developer) and Max Sanchez (inventor of the Proof-of-Proof consensus protocol), and is surrounded by a team of renowned blockchain engineers, strategic partners and investors. | $15M / Seed / Aug 26, 2025 | ||
| Rails operates as a crypto derivatives trading company. | $14M / Apr 01, 2025 | ||
| Prodigy.Fi is a decentralized platform dedicated to facilitating income generation through on-chain dual investment trading strategies. | $5M / Seed / Feb 07, 2025 | ||
| Ooga Booga is a liquidity aggregator designed to support the goal of becoming the most capital efficient blockchain. | $1.5M / Seed / Jan 10, 2025 | ||
| Gevulot is a blockchain technology solutions provider that focuses on zero-knowledge proofs. It allows developers to apply ZK proofs and delegate computing chores to a network of advanced hardware operators. | Seed / Dec 05, 2024 | ||
| StakeStone is the best yield-bearing ETH with a decentralized yield optimizing service ready for mass adoption on layer2s. | $22M / Seed / Nov 11, 2024 | ||
| Hemi (https://hemi.xyz) is a modular protocol that integrates Bitcoin and Ethereum to amplify and extend the core capabilities of the two leading blockchain networks. This offers a novel perspective on blockchain interoperability and scaling by approaching Bitcoin and Ethereum as components of a single supernetwork. The result providessecurity that exceeds that of Bitcoin (“superfinality”) and new levels of blockchain programmability, portability, and potential. Hemi was co-founded by Jeff Garzik (former Bitcoin core developer) and Max Sanchez (inventor of the Proof-of-Proof consensus protocol), and is surrounded by a team of renowned blockchain engineers, strategic partners and investors. | $15M / Seed / Sep 18, 2024 | ||
| Hypernative is a digital startup that keeps an eye on off-chain data sources and uses all its machine-learning models to accurately identify dangers to the community, economy, and governance. It blocks zero-day cyber threats, governance, and economic concerns, and shields Web3 apps, protocols, and administrators of digital assets from substantiallosses. | $16M / Series A / Sep 03, 2024 | ||
| GoPlus Security is an open, permissionless, user-driven security service platform for all types of blockchain users. | $10M / Venture - Series Unknown / Jun 05, 2024 | ||
| 0G Labs is a technology business that specializes in blockchain technology, emphasizing decentralization for a range of industries and societal issues. | $35M / Pre-Seed / Mar 26, 2024 | ||
| See all 42 investments → | |||
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FAQ
What does Quantstamp invest in?
Quantstamp invests primarily in Blockchain, Cryptocurrency and Software startups, most often at Seed and Pre-Seed stage. Most of the 42 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 Quantstamp's check size?
Quantstamp typically joins rounds of $1.5M–$20M at Seed, $1.5M–$35M at Pre-Seed and $16M–$40M 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 Quantstamp participates in.
How do I contact Quantstamp?
Public channels for Quantstamp 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.
Who are the partners at Quantstamp?
The team at Quantstamp includes Alex Murashkin (Head Of Infrastructure and Senior Software Engineer), Don Ho (Managing Director) and Don Ho (Managing Director), among 17 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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