- conflicts or gaps
- [[{"field": "founded_year", "conflict": "Sources report 2014 (LinkedIn/Zendikt), 2015 (company blog/CEO statements), and 2016 (CB Insights).", "source_urls": ["https://blog.castle.io/weve-raised-9-2-million-led-by-index-ventures/", "https://www.linkedin.com/in/brissmyr", "https://www.cbinsights.com/company/castle-intelligence", "https://www.zendikt.com/product/castle-id"]}, {"field": "employee_count", "conflict": "YC lists team_size=20; company blog (Jul 2025) describes deliberate downsizing to a much smaller team; third-party directories estimate 22–34.", "source_urls": ["https://www.ycombinator.com/companies/castle-2", "https://blog.castle.io/how-we-hire-at-castle/", "https://rocketreach.co/castle-profile_b5a750a7f69244bc", "https://www.linkedin.com/in/brissmyr"]}, {"field": "total_funding", "conflict": "Company blog states $11.6M total; Index Ventures/PRWeb say almost $12M; Tracxn reports $13.7M across 3 rounds (likely includes YC/pre-seed differently).", "source_urls": ["https://blog.castle.io/weve-raised-9-2-million-led-by-index-ventures/", "https://www.indexventures.com/perspectives/castle-raises-92-million-in-series-a-funding-led-by-index-ventures/", "https://tracxn.com/d/companies/castle/__V4W4iMhTbEHlO2PITo9sjod4CuCietLmR11rV7lTl0k"]}, {"field": "series_a_date", "conflict": "Company blog dated Jan 14, 2019; PRWeb/Index Ventures dated Feb 12–13, 2019.", "source_urls": ["https://blog.castle.io/weve-raised-9-2-million-led-by-index-ventures/", "https://www.prweb.com/releases/castle-raises-9-2-million-in-series-a-funding-led-by-index-ventures-833747767.html", "https://www.indexventures.com/perspectives/castle-raises-92-million-in-series-a-funding-led-by-index-ventures/"]}, {"field": "headquarters", "conflict": "YC and company materials cite San Francisco; some third-party profiles list Brooklyn, NY as HQ.", "source_urls": ["https://www.ycombinator.com/companies/castle-2", "https://www.cbinsights.com/company/castle-intelligence", "https://www.linkedin.com/in/brissmyr"]}, {"field": "name_disambiguation", "conflict": "YC W16 batch also includes a separate inactive company named Castle (property management, entercastle.com, slug castle).", "source_urls": ["https://www.ycombinator.com/companies/castle", "https://www.ycombinator.com/companies/castle-2"]}, {"field": "unrelated_entities", "conflict": "Search results may conflate castle.io with Crown Castle (telecom infrastructure) or a separate London-based bitcoin-treasury startup also named Castle.", "source_urls": ["https://investor.crowncastle.com/news-releases/news-release-details/crown-castle-announces-agreement-sell-fiber-segment-eqt-and-zayo", "https://tracxn.com/d/companies/castle/__N3zzPhZm8791mh-Nz5UVnvWmZRdvpmjYWEW8GKMz6h4", "https://www.prnewswire.com/news-releases/y-combinator-alum-castle-receives-funding-to-prevent-account-takeovers-300359301.html"]}, {"field": "post_2019_funding", "gap": "No publicly sourced funding rounds after Series A (Feb 2019) found; company reports profitability and organic growth instead.", "source_urls": ["https://blog.castle.io/weve-raised-9-2-million-led-by-index-ventures/", "https://castle.io/about", "https://blog.castle.io/how-we-hire-at-castle/"]}]]
- source urls
- ["https://blog.castle.io/antoine-vastel-is-joining-castle-as-head-of-research/", "https://blog.castle.io/how-we-hire-at-castle/", "https://blog.castle.io/passwords-watch-out/", "https://blog.castle.io/weve-raised-9-2-million-led-by-index-ventures/", "https://castle.io", "https://castle.io/about", "https://docs.castle.io/docs/device-fingerprinting", "https://docs.castle.io/docs/integration-guide", "https://docs.castle.io/docs/sdk-browser", "https://investor.crowncastle.com/news-releases/news-release-details/crown-castle-announces-agreement-sell-fiber-segment-eqt-and-zayo", "https://rocketreach.co/castle-management_b5a750a7f69244bc", "https://rocketreach.co/castle-profile_b5a750a7f69244bc", "https://tracxn.com/d/companies/castle/__N3zzPhZm8791mh-Nz5UVnvWmZRdvpmjYWEW8GKMz6h4", "https://tracxn.com/d/companies/castle/__V4W4iMhTbEHlO2PITo9sjod4CuCietLmR11rV7lTl0k", "https://workos.com/blog/defending-against-bad-actors-workos-radar-vs-castle-vs-auth0-vs-stytch-vs-arcjet", "https://www.cbinsights.com/company/castle-intelligence", "https://www.indexventures.com/perspectives/castle-raises-92-million-in-series-a-funding-led-by-index-ventures/", "https://www.linkedin.com/in/brissmyr", "https://www.prnewswire.com/news-releases/y-combinator-alum-castle-receives-funding-to-prevent-account-takeovers-300359301.html", "https://www.prweb.com/releases/castle-raises-9-2-million-in-series-a-funding-led-by-index-ventures-833747767.html", "https://www.ycombinator.com/blog/castle-yc-w16-analyzes-user-data-to-stop-hackers", "https://www.ycombinator.com/blog/the-new-deal", "https://www.ycombinator.com/companies/castle", "https://www.ycombinator.com/companies/castle-2", "https://www.zendikt.com/product/castle-id", "https://yc-oss.github.io/api/batches/winter-2016/castle-2.json"]