Ivan Kirigin
Founder/CTO2X YC Tipjoy W08 and YesGraph W15, with time at iRobot, Facebook, Dropbox, and Lyft. How investing in ML, automation, and robotics at Tango.vc
Founder profile As recorded 2026-09-15
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Fintech payments
Tipjoy
Overview
Tipjoy was a simple, social payments engine that allowed merchants to sell digital content and features, charities to raise money for causes, and individuals to give money to one another.
Tipjoy was a Winter '08 Y Combinator participant.
Company description As recorded 2026-11-08
Founders & team
Abigail Kirigin
Founder/interaction designerFounder profile As recorded 2026-09-15
2team members reported
Source-reported As recorded 2026-09-15
Founded 2008 · Source
News & product activity
Cohort membership
Winter 2008Winter 2008
Original evidence ↗Sources & observations
Profile depthverified profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedNot documented
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The source reports an inactive or acquired company; current product identity needs review.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
- Product overviewSource description Checked 2026-11-08
- Product visualsNot documented
- Founders & originsTeam information
- Business model & pricingNot documented
- Funding & ownershipNot documented
- Dated milestonesDated source activity: 2008 Q1 (quarter only)
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding year
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