Quantstamp Ventures — Pre-Seed VC Firm ($500K–$2.0M Checks)
Quantstamp Ventures is a Pre-Seed venture capital firm based in San Francisco, CA investing in Other. The firm typically writes $500K–$2.0M checks and has 1 portfolio company in our records.
- Check size
- $500K–$2.0M
- Portfolio
- 1 company on record
- Partners
- 7 listed
- Stage
- Pre-Seed
- Sectors
- Other
- HQ
- San Francisco, CA
- AUM
- Not in our records
Last verified: 2026-07-11
Pre-Seed
$500K – $2.0M
1+ companies
7 partners
Investment Thesis
Invests in promising blockchain and crypto startups with innovative applications in digital finance and security.
How Quantstamp Ventures invests
Quantstamp Ventures is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed stage, with a focus on Other. It does not invest in Media, Consumer.
Quantstamp Ventures typically writes checks of $500K–$2.0M per investment.
Quantstamp Ventures has backed 1 company in our records, including HackerOne.
Partners & Team
Caroline Johansen-Ashcroft
Operations Manager
Jennifer Zheng
Communications Specialist
Ruben Koch
Senior Blockchain Security Engineer
Richard Ma
Co-founder
Fayçal Lalidji
Senior Security Engineer
Ed Zulkoski
Director of Research
Roger Zhou
Senior Accountant
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (1)
Other
HackerOne
- •Raising at Pre-Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other — the sectors they actively back.
- •Size your ask to their typical $500K – $2.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Caroline Johansen-Ashcroft, Operations Manager.
- •A warm introduction beats a cold email. Get matched and request an intro.
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