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Jul 22, 2024 · 1h 1m · startup-ideas

3 crypto startup ideas: dating app, luxury watch marketplace, tutoring platform

Ben Rubin · 41m spoken Greg Isenberg · 13m spoken
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Serial entrepreneur Ben Rubin joins Greg Isenberg to unveil three Web3 consumer startup blueprints—in online dating, luxury watch commerce, and personalized tutoring—that leverage cryptographic trust and behavioral graphs. Together, they outline a practical product playbook for building authentic decentralized applications in an era increasingly dominated by AI replication and broken ad models.

How this conversation actually went

Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Greg holds 24.9% of the talking time here. How this is scored →

Greg as informed peer 4.3 Guest teaching 4.2 Guest disagreement 1.2 Greg pushing back 1.0
05100:0015:0030:0045:001:00:001:26–7:18 · Greg as informed peer 4/10 Introducing Ben Rubin and the Web3 Trust Graph Greg sets the context on low-status vs high-status arbitrage in tech cycles. Ben builds collaboratively on the premise, explaining trust graphs and how crypto balances AI centralization.7:19–13:02 · Greg as informed peer 2/10 Sponsor Message: BoringMarketing SEO Acceleration Following Greg's sponsor read, Ben delivers a monologue explaining his theory that derivative assets increase the scarcity and value of original authentic assets. Greg listens and affirms.13:04–27:17 · Greg as informed peer 4/10 Startup Idea 1: Decentralized Reputation and Dating Protocols Ben outlines an on-chain dating protocol and gently refines Greg's scoring terminology, explaining that zero-knowledge proofs should track objective behavioral metrics rather than subjective user ratings.27:17–45:57 · Greg as informed peer 5/10 Startup Idea 2: Luxury Watch Marketplace with On-Chain Provenance Greg introduces luxury watch influencer disputes as an example of market distrust, prompting Ben to detail RFID and smart contract escrow mechanisms. Greg synthesizes the technical breakdown into an analogy of backstage passes.45:58–53:43 · Greg as informed peer 5/10 Startup Idea 3: Personalized Tutoring and Coaching Retention Graphs Ben applies on-chain retention graphs to tutoring and coaching to optimize student-teacher fit over brand prestige. Greg contributes insights regarding coaching as a fundamentally retention-driven business.53:44–57:21 · Greg as informed peer 6/10 The Four-Step Product Framework & Internet Monetization Philosophy Greg formulates a four-step framework summarizing the episode's startup theses, prompting Ben to give a concluding philosophical defense of sustainable internet monetization through blockchain.1:26–7:18 · Guest teaching 4/10 Introducing Ben Rubin and the Web3 Trust Graph Greg sets the context on low-status vs high-status arbitrage in tech cycles. Ben builds collaboratively on the premise, explaining trust graphs and how crypto balances AI centralization.7:19–13:02 · Guest teaching 5/10 Sponsor Message: BoringMarketing SEO Acceleration Following Greg's sponsor read, Ben delivers a monologue explaining his theory that derivative assets increase the scarcity and value of original authentic assets. Greg listens and affirms.13:04–27:17 · Guest teaching 4/10 Startup Idea 1: Decentralized Reputation and Dating Protocols Ben outlines an on-chain dating protocol and gently refines Greg's scoring terminology, explaining that zero-knowledge proofs should track objective behavioral metrics rather than subjective user ratings.27:17–45:57 · Guest teaching 5/10 Startup Idea 2: Luxury Watch Marketplace with On-Chain Provenance Greg introduces luxury watch influencer disputes as an example of market distrust, prompting Ben to detail RFID and smart contract escrow mechanisms. Greg synthesizes the technical breakdown into an analogy of backstage passes.45:58–53:43 · Guest teaching 4/10 Startup Idea 3: Personalized Tutoring and Coaching Retention Graphs Ben applies on-chain retention graphs to tutoring and coaching to optimize student-teacher fit over brand prestige. Greg contributes insights regarding coaching as a fundamentally retention-driven business.53:44–57:21 · Guest teaching 3/10 The Four-Step Product Framework & Internet Monetization Philosophy Greg formulates a four-step framework summarizing the episode's startup theses, prompting Ben to give a concluding philosophical defense of sustainable internet monetization through blockchain.1:26–7:18 · Guest disagreement 1/10 Introducing Ben Rubin and the Web3 Trust Graph Greg sets the context on low-status vs high-status arbitrage in tech cycles. Ben builds collaboratively on the premise, explaining trust graphs and how crypto balances AI centralization.7:19–13:02 · Guest disagreement 1/10 Sponsor Message: BoringMarketing SEO Acceleration Following Greg's sponsor read, Ben delivers a monologue explaining his theory that derivative assets increase the scarcity and value of original authentic assets. Greg listens and affirms.13:04–27:17 · Guest disagreement 2/10 Startup Idea 1: Decentralized Reputation and Dating Protocols Ben outlines an on-chain dating protocol and gently refines Greg's scoring terminology, explaining that zero-knowledge proofs should track objective behavioral metrics rather than subjective user ratings.27:17–45:57 · Guest disagreement 1/10 Startup Idea 2: Luxury Watch Marketplace with On-Chain Provenance Greg introduces luxury watch influencer disputes as an example of market distrust, prompting Ben to detail RFID and smart contract escrow mechanisms. Greg synthesizes the technical breakdown into an analogy of backstage passes.45:58–53:43 · Guest disagreement 1/10 Startup Idea 3: Personalized Tutoring and Coaching Retention Graphs Ben applies on-chain retention graphs to tutoring and coaching to optimize student-teacher fit over brand prestige. Greg contributes insights regarding coaching as a fundamentally retention-driven business.53:44–57:21 · Guest disagreement 1/10 The Four-Step Product Framework & Internet Monetization Philosophy Greg formulates a four-step framework summarizing the episode's startup theses, prompting Ben to give a concluding philosophical defense of sustainable internet monetization through blockchain.1:26–7:18 · Greg pushing back 1/10 Introducing Ben Rubin and the Web3 Trust Graph Greg sets the context on low-status vs high-status arbitrage in tech cycles. Ben builds collaboratively on the premise, explaining trust graphs and how crypto balances AI centralization.7:19–13:02 · Greg pushing back 0/10 Sponsor Message: BoringMarketing SEO Acceleration Following Greg's sponsor read, Ben delivers a monologue explaining his theory that derivative assets increase the scarcity and value of original authentic assets. Greg listens and affirms.13:04–27:17 · Greg pushing back 2/10 Startup Idea 1: Decentralized Reputation and Dating Protocols Ben outlines an on-chain dating protocol and gently refines Greg's scoring terminology, explaining that zero-knowledge proofs should track objective behavioral metrics rather than subjective user ratings.27:17–45:57 · Greg pushing back 1/10 Startup Idea 2: Luxury Watch Marketplace with On-Chain Provenance Greg introduces luxury watch influencer disputes as an example of market distrust, prompting Ben to detail RFID and smart contract escrow mechanisms. Greg synthesizes the technical breakdown into an analogy of backstage passes.45:58–53:43 · Greg pushing back 1/10 Startup Idea 3: Personalized Tutoring and Coaching Retention Graphs Ben applies on-chain retention graphs to tutoring and coaching to optimize student-teacher fit over brand prestige. Greg contributes insights regarding coaching as a fundamentally retention-driven business.53:44–57:21 · Greg pushing back 1/10 The Four-Step Product Framework & Internet Monetization Philosophy Greg formulates a four-step framework summarizing the episode's startup theses, prompting Ben to give a concluding philosophical defense of sustainable internet monetization through blockchain.

speaking balance: gold is Greg, purple is the guest (3 minute bins)

0:00 · Greg 49% · guest 51%0:00 · Greg 49% · guest 51%3:00 · Greg 23.5% · guest 76.5%3:00 · Greg 23.5% · guest 76.5%6:00 · Greg 42.1% · guest 57.9%6:00 · Greg 42.1% · guest 57.9%9:00 · Greg 0% · guest 100%9:00 · Greg 0% · guest 100%12:00 · Greg 25.5% · guest 74.5%12:00 · Greg 25.5% · guest 74.5%15:00 · Greg 0% · guest 100%15:00 · Greg 0% · guest 100%18:00 · Greg 19.4% · guest 80.6%18:00 · Greg 19.4% · guest 80.6%21:00 · Greg 48% · guest 52%21:00 · Greg 48% · guest 52%24:00 · Greg 15.5% · guest 84.5%24:00 · Greg 15.5% · guest 84.5%27:00 · Greg 68.9% · guest 31.1%27:00 · Greg 68.9% · guest 31.1%30:00 · Greg 4.3% · guest 95.7%30:00 · Greg 4.3% · guest 95.7%33:00 · Greg 0.1% · guest 99.9%33:00 · Greg 0.1% · guest 99.9%36:00 · Greg 16.1% · guest 83.9%36:00 · Greg 16.1% · guest 83.9%39:00 · Greg 0% · guest 100%39:00 · Greg 0% · guest 100%42:00 · Greg 53.7% · guest 46.3%42:00 · Greg 53.7% · guest 46.3%45:00 · Greg 18.9% · guest 81.1%45:00 · Greg 18.9% · guest 81.1%48:00 · Greg 39.3% · guest 60.7%48:00 · Greg 39.3% · guest 60.7%51:00 · Greg 18.4% · guest 81.6%51:00 · Greg 18.4% · guest 81.6%54:00 · Greg 11.5% · guest 88.5%54:00 · Greg 11.5% · guest 88.5%57:00 · Greg 25.7% · guest 74.3%57:00 · Greg 25.7% · guest 74.3%1:00:00 · Greg 94.8% · guest 5.2%1:00:00 · Greg 94.8% · guest 5.2%
Sharpest disagreement ▶ 19:07 Rebuttal of explicit scoring systems

Ben gently pushes back on Greg's phrasing of a scoring system, stressing that users shouldn't rank each other directly due to emotional baggage, but rather rely on cryptographic proofs of objective behavior.

 Hardest push from Greg ▶ 43:19 Synthesizing and anchoring the watch architecture

Greg interjects to synthesize Ben's expansive explanation into an accessible mental model, distinguishing between paying to enter a community versus earning entry through cryptographic proof.

 Biggest teaching moment ▶ 9:40 Explaining the derivative asset dynamic

Ben presents an architectural thesis illustrating how synthetic replications like AI content exponentially elevate the value of authentic, original human interactions.

 Greg holds their own ▶ 53:28 Extracting the four-step framework

Greg demonstrates clear product mastery by distilling three complex technical startup discussions into a concise four-step execution blueprint for builders.
the scores for every segment, with the reasoning behind each
ChapterTopicGreg as informed peerGuest teachingGuest disagreementGreg pushing backWhy
Introducing Ben Rubin and the Web3 Trust Graph 4411 Greg sets the context on low-status vs high-status arbitrage in tech cycles. Ben builds collaboratively on the premise, explaining trust graphs and how crypto balances AI centralization.
Sponsor Message: BoringMarketing SEO Acceleration 2510 Following Greg's sponsor read, Ben delivers a monologue explaining his theory that derivative assets increase the scarcity and value of original authentic assets. Greg listens and affirms.
Startup Idea 1: Decentralized Reputation and Dating Protocols 4422 Ben outlines an on-chain dating protocol and gently refines Greg's scoring terminology, explaining that zero-knowledge proofs should track objective behavioral metrics rather than subjective user ratings.
Startup Idea 2: Luxury Watch Marketplace with On-Chain Provenance 5511 Greg introduces luxury watch influencer disputes as an example of market distrust, prompting Ben to detail RFID and smart contract escrow mechanisms. Greg synthesizes the technical breakdown into an analogy of backstage passes.
Startup Idea 3: Personalized Tutoring and Coaching Retention Graphs 5411 Ben applies on-chain retention graphs to tutoring and coaching to optimize student-teacher fit over brand prestige. Greg contributes insights regarding coaching as a fundamentally retention-driven business.
The Four-Step Product Framework & Internet Monetization Philosophy 6311 Greg formulates a four-step framework summarizing the episode's startup theses, prompting Ben to give a concluding philosophical defense of sustainable internet monetization through blockchain.

Statements from this episode (10)

Prediction Not checkable as stated
Rubin: AI will force online identity and credential verification within 10 years
“And with AI, like in 10 years from now, it's going to be really important to know, is this person on the other side really did what they do, or do they really have the same amount of, you know, podcast listeners? Do they actually live in Miami? Did they actual…”
Ben Rubin Jul 22, 2024 ▶ 4:01
Prediction Not checkable as stated
Isenberg: Crypto will become high status in two to four years
“I always try to look at, like, what are things that are low status right now, or medium status, and not high, and that will be high status in two or three or four years, because that's where the arbitrage is, and I think that's where we're at with crypto.”
Greg Isenberg Jul 22, 2024 ▶ 6:06
Insight
Rubin: Proliferation of derivative assets increases original asset value
“I have this instinctive belief that all derivative assets eventually increase the value of the original asset. Meaning in a way pickleball just, the more pickleball is out there, the most, the more the value of 10 is going up. The more, you know, the more ther…”
Ben Rubin Jul 22, 2024 ▶ 10:00
Prediction Not checkable as stated
Rubin: Value of genuine human access will surge alongside AI clones
“So I actually think that actually having time with Greg one-on-one with Greg Geisenberg one-on-one or online, but with the real Greg, it's going to grow exponentially higher when the image and replication of Greg through AI is going, you know, thousand X.”
Ben Rubin Jul 22, 2024 ▶ 11:26
Insight
Rubin: A solo developer can build an on-chain dating protocol
“For proof of concept, I would start with just a set of smart contracts that is on an On an L two, basically on, on, on a lay layer that is much cheaper on top of Ethereum, where you can actually create this protocol, like just exist on Ethereum and without sta…”
Ben Rubin Jul 22, 2024 ▶ 24:20
Assertion Supported
Rubin: Prada embeds RFID tags in all clothing items
“Even, even Prada today have RFIDs on all the clothes, right? You can actually scan those things.”
Ben Rubin Jul 22, 2024 ▶ 32:09
Assertion Contradicted
Rubin: Luxury watch marketplaces charge 10% to 20% transaction fees
“Right now all these marketplaces, they take arbitrage to create the illusion of trust, right? So they take their 20% or 10% of the transaction because they are, you know, Chrono or other places where people buy watches.”
Ben Rubin Jul 22, 2024 ▶ 36:37
Assertion Supported
Isenberg: Watch influencers Vukim and Buckley run $20/month trading community
“The way Vukum and Buckley built their business was they built an audience up top on TikTok and Instagram. Then they created a paid community called Vukum verified where you have to pay 20 dollars a month and other watch dealers and watch buyers can buy and sel…”
Greg Isenberg Jul 22, 2024 ▶ 43:34
Insight
Rubin: Luxury communities should admit verified owners free and charge observers
“And even if you take it further, you can even say like, Hey, if you already bought a Rolex and you have the details of the Rolex, you get in free. It's the people that are curious or people who couldn't prove that they already From an ethos perspective, believ…”
Ben Rubin Jul 22, 2024 ▶ 45:18
Insight
Isenberg: Build Web3 products by finding inefficient markets and adding trust layers
“How to create a product people want. Number one, find inefficient markets. Number two, add a trust layer. Number three, build social. And number four, don't necessarily say it's crypto.”
Greg Isenberg Jul 22, 2024 ▶ 53:54
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