The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 13 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 2 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Not checkable as stated
Conventional wisdom that commercial supersonic flight is economically unviable is false
“Six years ago, when we were starting Boom, the conventional wisdom was no one would pay enough to be able to fly supersonic, that it would have to be really That the sonic boom was an insurmountable barrier that would take decades of R&D to solve. And it turns…”
Blake Scholl Apr 10, 2020 ▶ 18:35 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Assertion Partly supported
Calacanis: Boom Supersonic Has Sold Zero Planes and Jet Turbines
“Well, they've sold zero of either. They've sold no planes and no jet turbines for AI power.”
Jason Lemkin Dec 18, 2025 ▶ 1:02:06 Will Cursor Kill Figma? Lightspeed Raises $9B & OpenAI’s $1B from Disney & #1 App in App Store · 20VC with Harry Stebbings
Assertion Partly supported
Calacanis: Boom crashed to $500M valuation before rising to $1.5B
“December, 20, 24, a year ago crashes down round, maybe five hundred million dollar valuation, but it might be worse when you think about the cram down and the effects. That's like not, that's a tough moment. AI, AI booms, and now you're back up to 1.5 billion.”
Jason Lemkin Dec 18, 2025 ▶ 59:35 Will Cursor Kill Figma? Lightspeed Raises $9B & OpenAI’s $1B from Disney & #1 App in App Store · 20VC with Harry Stebbings
Prediction Open · timeframe Dec 2029
Boom Supersonic will take 10 to 15 years to carry commercial passengers
“Boom is a company that will probably be on the order of 10 to 15 years from founding to Carrying passengers in volume.”
Blake Scholl Apr 10, 2020 ▶ 8:23 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Prediction Didn’t hold up
Boom's XB-1 prototype jet will fly and set records in 2021
“So that airplane will be finished this summer. They'll be flying and starting to set speed records next year.”
Blake Scholl Apr 10, 2020 ▶ 28:54 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Disclosure
Individual VC partners personally backed Boom after their funds passed
“It was very typical that we would make it to the full partnership stage, and the fund would end up passing, although individual investors in that group would come in personally.”
Blake Scholl Apr 10, 2020 ▶ 11:03 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Prediction Open · timeframe Apr 2025
Boom's Overture airliner will fly New York to London in three hours
“And so that airplane will carry 75 passengers at business class fares on flights that are half as long as they are today. So think, you know, New York to London and three hours instead of seven, you know, fast enough, you can go across the pond, get business d…”
Blake Scholl Apr 10, 2020 ▶ 29:02 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Disclosure
Stripe co-founder John Collison was Boom Supersonic's very first investor
“It was John Collison, the co-founder of Stripe. And this was in the relatively early days of Stripe before it was the massive success that it was today. John was a pilot. I met him through a friend and we went out to dinner or talking about what we were doing …”
Blake Scholl Apr 10, 2020 ▶ 26:28 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Prediction Not checkable as stated
Boom Supersonic rejects top technical talent lacking mission passion
“If you're not excited enough, we don't hire you because it's too hard, and if you're sane, you're gonna give up somewhere along the way.”
Blake Scholl Apr 10, 2020 ▶ 12:43 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Insight
Senior aerospace leaders with startup fit are the hardest hires
“The hardest thing to hire for is big leadership roles that require aerospace background. And that is because the background is crucial for us to have. If you're going to go off and build Overture, which is probably one of the most complicated safety critical t…”
Blake Scholl Apr 10, 2020 ▶ 27:31 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Assertion Not checkable as stated
Boom rejected early candidates who couldn't teach something in their interview
“And if you couldn't teach me something, you didn't get hired at Boom.”
Blake Scholl Apr 10, 2020 ▶ 16:34 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
Assertion Partly supported
Rory: Boom built a prototype aircraft with under 100 employees
“They got a prototype out for, you know, with less than a hundred headcounts.”
Rory O'Driscoll Dec 18, 2025 ▶ 57:52 Will Cursor Kill Figma? Lightspeed Raises $9B & OpenAI’s $1B from Disney & #1 App in App Store · 20VC with Harry Stebbings
Disclosure
Boom's early capital came from high-net-worth individuals and personal VC checks
“A lot of our capital as the company was, particularly on the young side, has come from ultra high net worth individuals. Many cases, well-known VCs who are investing outside of their funds where they don't have those timing constraints.”
Blake Scholl Apr 10, 2020 ▶ 8:43 20VC: Why Venture Fund Life Cycles Do Not Align To Companies Today, Actionable Strategies To Separate Good From Great When Assessing and Hiring Multiple Candidates & Why We Need More Adventure in Venture Capital with Blake Scholl, Founder & CEO @ Boom Sup
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