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.

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why aren't all 21 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 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

Opinion
Clubhouse, OpenSea, and Whatnot Are the Only Notable Recent Consumer Startups
“I think in the past year, there's probably been like Three really interesting consumer companies. It's been Clubhouse, OpenSea, and us.”
Grant LaFontaine Mar 23, 2022 ▶ 22:14 20VC: Startups Fail Because They Do Not Take Enough Risk, Why A/B Testing is Inefficient and Slows You Down, Why It is Impossible To Hire Good PMs so Stop Trying & 3 Key Signals The Best Engineers Present with Grant LaFontaine, Founder & CEO @ Whatnot
Assertion Supported
A VC Manager Marked OpenSea at $13B in 2023
“The bad one, I mean, this one forever stands out, was we underwrote a manager in in twenty-twenty-three that was holding OpenSea at thirteen billion, which, like, I, that one was like.”
Miles Dieffenbach Aug 4, 2025 ▶ 1:29:56 Miles Dieffenbach: Inside Carnegie Mellon’s $4BN Endowment & The Math Behind DPI, TVPI, Illiquidity · 20VC with Harry Stebbings
Opinion
Hartz argues OpenSea retains significant long-term value despite the NFT crash
“You know, I think the jury's still out. There's still a lot of value there in OpenSea.”
Kevin Hartz Jul 22, 2024 ▶ 49:15 Kevin Hartz: "How I Lost Airbnb at Seed Because of an Exploding Term Sheet" | E1180 · 20VC with Harry Stebbings
Disclosure
1confirmation bought OpenSea on the way up and sold near the peak
“We actually invested on the way up a little bit and then sold on the big way up.”
Nick Tomaino Oct 30, 2023 ▶ 1:04:14 Nick Tomaino: The Future of NFTs, What Will Happen with FTX & Who Should be Held to Account | E1076 · 20VC with Harry Stebbings
Prediction Not checkable as stated
Tomaino: OpenSea will be significantly more important in five years
“Do I think it's going to be a, an important product in the world in five years, much more important than it is today? Yes, because I think NFTs are important, and because I think an on-ramp to NFTs is is very valuable for people.”
Nick Tomaino Oct 30, 2023 ▶ 50:47 Nick Tomaino: The Future of NFTs, What Will Happen with FTX & Who Should be Held to Account | E1076 · 20VC with Harry Stebbings
Assertion Supported
Devin Finzer: OpenSea volume jumped from $350M to $3.4B in one month
“There's a similar inflection point from like July to August of this year, where we went from about three hundred fifty million to 3.4 billion dollars of transaction volume.”
Devin Finzer Jan 14, 2022 ▶ 16:34 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Disclosure
Tomaino: 1confirmation invested $500K in OpenSea from $26M fund
“When we invested we only invested 500 K initially. And that was, again, like at that time we had a twenty six million dollar fund.”
Nick Tomaino Oct 30, 2023 ▶ 1:02:08 Nick Tomaino: The Future of NFTs, What Will Happen with FTX & Who Should be Held to Account | E1076 · 20VC with Harry Stebbings
Disclosure
Devin Finzer: OpenSea tracks transaction count over GMV to evaluate marketplace health
“We definitely, you know, don't look just at GMB, right? We look at Number of transactions, right? So number of sales as a more healthy metric, because that's an indicator of, are people able to sell the stuff that they want to sell in the marketplace? And then…”
Devin Finzer Jan 14, 2022 ▶ 13:04 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Disclosure
Devin Finzer: OpenSea expected gaming and utility NFTs to lead over collectibles
“That phenomenon, I didn't think was sort of what would drive a wave of excitement around NFTs. You know, I sort of had more of a thesis around, like, games or things that are useful or like inherently useful NFTs versus these like more collectible use cases.”
Devin Finzer Jan 14, 2022 ▶ 19:02 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Insight
Devin Finzer: Marketplaces must master core transactions before expanding peripheral features
“Because if you don't have that foundation of being a really good marketplace, You know, it's hard to kind of have things that are more peripheral.”
Devin Finzer Jan 14, 2022 ▶ 21:56 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Assertion Supported
OpenSea raised $423M total, reaching a $13.3B valuation in latest round
“To date, Devin has raised over four hundred and twenty three million dollars for the company, with their last three hundred million dollar round valuing OpenSea at a reported 13.3 billion dollars.”
Harry Stebbings Jan 14, 2022 ▶ 0:28 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Assertion Partly supported
Devin Finzer: OpenSea volume grew from $8M to $160M in three months
“So I think in January, we did about eight million dollars of transaction volume. In February, we did ninety five million in transaction volume. And then in March, it was like one hundred and sixty million.”
Devin Finzer Jan 14, 2022 ▶ 16:01 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Opinion
Devin Finzer: The 2022 seed fundraising environment is far crazier than 2018
“It wasn't as crazy of a funding environment back then as it is today, where it's just like so easy to go and raise a giant seed round and an insane valuation.”
Devin Finzer Jan 14, 2022 ▶ 11:02 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Disclosure
Hartz admits to investing in OpenSea at its $13.5B peak valuation
“Was this investor in OpenSea and during, you know, the boom of 21, 22, it was valued at 13 and a half billion.”
Kevin Hartz Jul 22, 2024 ▶ 49:19 Kevin Hartz: "How I Lost Airbnb at Seed Because of an Exploding Term Sheet" | E1180 · 20VC with Harry Stebbings
Disclosure
Mignano: OpenSea was a major missed early angel investment
“I really wanted to invest in OpenSea early on. You know, this was sort of like right, right up my wheelhouse. You know, I naturally, you know, founding anchor, I'm a big believer in, in platforms that lower the friction to enable people to create and distribut…”
Mike Mignano Sep 7, 2022 ▶ 51:38 Michael Mignano: How I Founded Anchor; Why TikTok could be a $2 TRILLION Company | 20VC #923 · 20VC with Harry Stebbings
Assertion Supported
OpenSea and Clubhouse Founders Both Originated From Pinterest
“Two out of three founders, OpenSea founder and Clubhouse founder all came from Pinterest, and a huge chunk of our team is actually now from Pinterest.”
Grant LaFontaine Mar 23, 2022 ▶ 22:21 20VC: Startups Fail Because They Do Not Take Enough Risk, Why A/B Testing is Inefficient and Slows You Down, Why It is Impossible To Hire Good PMs so Stop Trying & 3 Key Signals The Best Engineers Present with Grant LaFontaine, Founder & CEO @ Whatnot
Assertion Supported
OpenSea originally pitched Y Combinator on a decentralized Wi-Fi sharing network
“So the first idea that we had was building this decentralized marketplace for sharing internet bandwidth. And that was the idea that we got into Y Combinator with”
Devin Finzer Jan 14, 2022 ▶ 4:41 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Disclosure
Devin Finzer: OpenSea grew linearly and occasionally shrank during 2018 crypto winter
“Because on one hand, you know, we weren't really growing that fast. We were kind of, like, linearly growing. Sometimes we had, like, a negative month or whatnot, but we still did have, like, Some transaction volume on the marketplace.”
Devin Finzer Jan 14, 2022 ▶ 11:32 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Assertion Supported
Devin Finzer: OpenSea operated with only six to seven people during takeoff
“We had like six to seven people, right? When, even when things started taking off, we were really small.”
Devin Finzer Jan 14, 2022 ▶ 14:33 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Disclosure
Devin Finzer: Figma founder Dylan Field is a close mentor on OpenSea
“Founder of Figma is a really close mentor of mine. I mean, what's great about Dylan is he is able to do so many different things. He's running Figma, but he's also extremely deep in the NFT space, so he's just been, like, very helpful from, like, mentoring us …”
Devin Finzer Jan 14, 2022 ▶ 30:32 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
Assertion Not checkable as stated
Devin Finzer: Customer support and platform reliability were OpenSea's main scaling bottlenecks
“I would say the two main ones are sort of customer support and relatedly trust and safety, so ensuring that people aren't selling fraudulent items, and then core platform.”
Devin Finzer Jan 14, 2022 ▶ 18:00 20VC: Opensea Founder, Devin Finzer on Scaling GMV from $150M to $3BN in 18 Months, How Brands and Celebrities Will Harness NFTs To Change Their Business, The Impact of NFTs on Gaming & What is in Devin's Metamask Wallet?!
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