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Quantstamp (YC W18) — Security auditing for Web3

Quantstamp has protected billions in digital assets from hackers on our mission to secure web3. As a global team of security professionals, we have honed our technology and expertise through hundreds of audits and gained the trust of our clients to keep their innovative products safe.

Quantstamp is a Y Combinator company in the Winter 2018 batch. Its directory entry describes it as: Security auditing for Web3. The founder listed is Richard Ma (Founder/CEO) (Y Combinator directory entry, November 1, 2017).

6 more companies from YC Winter 2018 ↓

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Quantstamp

New accelerator entry · 2017-11-01 · the record

Winter 2018
batch
80
people
Growth
stage
United States of America
region
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What the record says

BatchWinter 2018
Announced2017-11-01
StageGrowth
StatusActive
Team size80
IndustryB2B
Sub-industryB2B -> Security
SectorsCrypto / Web3, Security
RegionsUnited States of America, America / Canada, Remote, Fully Remote
BasedSan Francisco, CA, USA; Remote
HiringNo
Sitehttps://quantstamp.com

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Also in YC Winter 2018

Same batch, B2B first.

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In their words

Quantstamp has protected billions in digital assets from hackers on our mission to secure web3. As a global team of security professionals, we have honed our technology and expertise through hundreds of audits and gained the trust of our clients to keep their innovative products safe. In addition to providing an array of security services, we facilitate the growth and longevity of the web3 space through strategic investments and acting as a trusted advisor to help projects scale. Quantstamp is honored to have worked with some of the top projects in the industry including Aave, Compound, Maker, OpenSea, Polygon and many more. As the leading blockchain security company in this emerging industry, we are always looking for team members that love taking initiative and solving challenging problems. Join the team and help us secure the future of web3.

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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

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  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

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  7. Warning Bells

  8. Sources

    1 cited source found

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Sourced from the company's Y Combinator directory entry.

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Quantstamp: Accepted into Y Combinator Winter 2018
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Permanent URL: https://mentionfox.com/funding/yc-quantstamp
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Quantstamp (YC W18) — Security auditing for Web3. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-quantstamp