Quantstamp
YC W18 ↗San Francisco, US · Founded 2017 · Delaware corporation · 80 employees · 12 known investors
Quantstamp provides smart contract and blockchain security audits and verification services for Web3 and Web2 projects. The company serves developers and teams building decentralized applications, DeFi protocols, and blockchain infrastructure.
Crypto & Web3CybersecurityEnterprise SoftwareCrypto / Web3Securityin /company@quantstampycombinator.com ↗
Founders & leadership· Y Combinator alumni (W18)
Investors · 12
Bloccelerate VCSeattle
Fifty YearsSan Francisco · $250K – $2M
LegalTechFort Lauderdale
Manhattan Venture Partners
MetaplanetTallinn · $500K – $10M
MetastableNew York City · $3M – $30M
Serafund
TransLink CapitalSilicon Valley · $1M – $5M
Y CombinatorSan Francisco · $500K
ZMT CapitalSilicon Valley
FJ LabsreportedNew York · $250K – $2M
HashedreportedSeoul · $1M – $37M
Reported raises · per SEC filings
Form D private placements▶$2MraisedSep 2018 · 4 investors · Other TechnologyRule 506(b)
▶$2MraisedSep 2018 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Steven StewartExecutive Officer, Director
- Richard MaExecutive Officer, Director
- Offering amount
- $5M
- Amount sold
- $2M
- First sale
- Aug 2018
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
▶$50KraisedSep 2018 · 1 investors · Other TechnologyRule 506(b)
▶$50KraisedSep 2018 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Richard MaExecutive Officer, Director
- Steven StewartExecutive Officer, Director
- Offering amount
- $50K
- Amount sold
- $50K
- First sale
- Apr 2018
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
▶$120KraisedSep 2018 · 1 investors · Other TechnologyRule 506(b)
▶$120KraisedSep 2018 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Steven StewartExecutive Officer, Director
- Richard MaExecutive Officer, Director
- Offering amount
- $120K
- Amount sold
- $120K
- First sale
- Jan 2018
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06b
▶$1.1MraisedDec 2017 · 47 investors · Other TechnologyRule 506(c)
▶$1.1MraisedDec 2017 · 47 investors · Other Technology
Rule 506(c)Officers, directors & promoters on the filing
- Richard MaExecutive Officer, Director
- Steven StewartExecutive Officer, Director
- Offering amount
- $30.8M
- Amount sold
- $1.1M
- Minimum investment
- $30
- Proceeds to insiders
- $5M
- First sale
- Nov 2017
- Incorporated
- Corporation, Delaware, 2017
- Federal exemptions
- 06c
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Hinkal privacy protocol exploited for $820,000 as attacker funnels stolen funds through Tornado Cash - Cryptopolitancryptopolitan.com · 2026
- Quantstamp, Inc. Secures $1 | Signalbasetrysignalbase.com · 2026
- Drops Closes In $1M Private Funding Round to Create New Value for NFTsprnewswire.com · 2021
- Smart Contract Firm Quantstamp Reveals Investment From Financial Giant Nomurafinance.yahoo.com · 2019