You asked about Fraud Prevention
29 people built something like it. 2 are gone.
That is 8% of the ones whose fate we could settle, against 23% across the whole register. 5 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2019-01-01 | YCTruora Reliable background checks & fraud prevention tools for Latin America. · truora.com | still up |
| 2018-01-01 | YCVeriff AI-powered identity verification solution for fraud prevention. · veriff.com | still up |
| 2022-06-01 | YCTwo Dots AI fraud prevention and underwriting agent · twodots.com | still up |
| 2022-06-01 | Enterprise software for enterprise risk and cyber fraud intelligence · overwatchdata.ai | still up |
| 2023-06-01 | YCDiligent AI agents for fintech risk and compliance operations · godiligent.ai | still up |
| 2024-01-01 | YCIndemni Cargo Theft and Fraud Prevention Platform · indemni.com | still up |
| 2021-06-01 | YCKeyri Secure fraud prevention and authentication platform for developers · keyri.com | acquired |
| 2015-01-01 | Cyberfend delivers robust, real-time web and mobile security by… · cyberfend.com | acquired |
| 2022-07-18 | authsignal.com | still up |
| 2022-02-09 | strac.io | still up |
| 2018-06-01 | YCInscribe AI Document Fraud Detection for Banks, Credit Unions & Lenders · inscribe.ai | still up |
| 2022-01-01 | Prevent Fraud and Onboard Users Faster · dojah.io | still up |
| 2016-01-01 | YCCastle Block bots & bad behavior · castle.io | still up |
| 2021-06-01 | YCSlope The B2B Payments Platform · slopepay.com | still up |
| 2026-01-01 | YCDidit Infrastructure for identity and fraud. · didit.me | still up |
| 2022-06-01 | Agentic Intelligence Layer for Merchant Risk Decisions · ballerine.com | still up |
| 2023-04-19 | remanent.gg | gone |
| 2023-01-01 | YCVariance AI Agents for Fraud Review and Investigations · variance.com | still up |
| 2015-06-01 | YCPlateJoy PlateJoy is building the technology to power disease prevention and… · platejoy.com | acquired |
| 2015-01-01 | YCSmyte Smyte stops bad actors on social networks and marketplaces. · smyte.com | acquired |
| 2015-01-01 | YCFinal A credit card that drastically reduces payment fraud and gives… · getfinal.com | acquired |
| 2026-01-01 | YCMouseCat AI to fight financial crime · mousecat.ai | still up |
| 2025-06-01 | AI coworkers for fraud and compliance teams. · getsocratix.ai | still up |
| 2023-01-01 | YCFinic The AI fraud hunter · finic.ai | still up |
| 2019-01-01 | Reduce payment fraud · dyneti.com | still up |
| 2023-01-01 | AI to increase payment acceptance and reduce fraud for businesses · corgilabs.ai | still up |
| 2026-09-01 | AI Claims Investigator for Insurance · gethesperai.com | still up |
| 2016-01-01 | YCEnflux Motion capture clothing for injury prevention · getenflux.com | gone |
| 2024-01-01 | Personalized prevention using genetics and AI · haplotypelabs.com | still up |
How this compares
Y Combinator reports its own outcomes, including acquisitions. The other two are judged by asking the domain, so they are not measured the same way and are never averaged together.
The register re-probes every domain it holds. Some that answered last month stop answering. We send that list — what went quiet, and what it was — once a month. Nothing else.
How this was made. Show HN entries are every post from 2021 to 2023 with at least five points that linked to its own domain; code hosts and free hosting are excluded, because a repository outlives the effort behind it. Product Hunt entries needed 100 votes — a far higher bar, so they are the promoted top slice rather than a like-for-like sample. Both are judged by asking the domain whether it still answers: gone means it no longer resolves, refuses the connection, serves a parking page, or says plainly that it shut down. An HTTP error is not counted as gone — a server answering 404 is one somebody still pays for, and an audit of 25 gone-calls found two such sites alive with only a moved homepage. Y Combinator entries use the status YC publishes itself, which is why only those can say acquired. Squatted domains — a lapsed name now serving somebody else's site — are not detected, so these figures run slightly low.