Jan 28, 2018 · 16m · top-founders
918 SaaS: Fraud Prevention Company Raises $54m, Passes 500 Customers
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
Host Nathan Latka interviews Sift Science founder Jason Tan to explore how the company uses real-time machine learning to combat online fraud, scale past 500 enterprise customers, and raise $54 million in venture capital.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Nathan holds 43.1% of the talking time here. How this is scored →
speaking balance: gold is Nathan, purple is the guest (3 minute bins)
Jason repeatedly stonewalls Nathan's direct attempts to pin down Sift Science's run rate and MRR, refusing to confirm calculated revenue numbers.
Hardest push from Nathan ▶ 8:27 Nathan forcing the revenue calculationNathan refuses to accept a vague answer, directly multiplying Jason's stated ARPU by total customer count to trap him on run-rate figures.
Biggest teaching moment ▶ 11:28 Debunking Y Combinator's metric curriculumJason clearly educates Nathan that Y Combinator teaches nothing about mature SaaS metrics because its focus is purely on early-stage three-month product launches.
Nathan holds their own ▶ 10:56 Nathan highlighting LTV to CAC trapsNathan demonstrates domain expertise by explaining how LTV to CAC ratios can create deceptive cash gaps without tight payback periods.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Nathan as informed peer | Guest teaching | Guest disagreement | Nathan pushing back | Why |
|---|---|---|---|---|---|---|
| Overview of Sift Science and Pricing Model | 5 | 3 | 2 | 4 | Nathan probes Jason on how Sift Science generates revenue and drills down on his personal financial outcome from Zillow. Jason gently clarifies that usage-based pricing is still SaaS and tempers expectations regarding startup equity payouts. | |
| Y Combinator, Early Backing, and Customer Milestones | 3 | 2 | 1 | 2 | Jason recounts his early days entering Y Combinator and securing seed backing from Max Levchin. Nathan keeps the conversation moving smoothly with straightforward informational questions regarding funding and customer milestones. | |
| Sponsor Spotlight: Digital Contract Signing with SignEasy | 6 | 1 | 4 | 7 | Nathan attempts to corner Jason into disclosing financial metrics by multiplying customer count by estimated ARPU to guess MRR and ARR. Jason firmly resists disclosing exact revenue figures and emphasizes the wide variation in contract sizes. | |
| Team Footprint, Acquisition Channels, and Retention Metrics | 6 | 5 | 3 | 4 | Nathan delves into unit economics, CAC payback periods, and churn rates. Jason corrects Nathan's assumption about Y Combinator curriculum by explaining that YC focuses strictly on early validation rather than mature SaaS metrics. | |
| The Famous Five Rapid-Fire Questions | 2 | 0 | 1 | 2 | Nathan conducts the Famous Five rapid-fire segment, briefly bantering about Jason's choice of Google Docs as his favorite tool before wrapping up with a standard summary. |