YKB
The social layer for fans that prediction markets are missing
David Lu, Sam Rukeyser · 2 co-founders
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/12/2026
About
Speculation is becoming how people engage with culture. Betting & prediction markets are exploding. But they’re built for gamblers, not fans. Our unlock = Receipts: interactive prompts generated by our agent when news breaks. Fans react, predict, & compete together. 1M+ Receipts created since NFL beta began in September. 140k+ Receipts created in the last week. Starts in sports, expands to all areas of culture. We believe tapping into this fan energy around takes & predictions will bring speculation beyond just gamblers, to a billion people.