Jul 9, 2025 · 41m · a16z
Crypto Experts Explain Stablecoins & the Future Financial System w/ Ali Yahya & Arianna Simpson
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In this episode of The a16z Podcast, General Partners Ali Yahya and Arianna Simpson explore how mature crypto rails and stablecoins are modernizing global financial systems, enabling native transactions for autonomous AI agents, and establishing new decentralized models under a supportive regulatory climate.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. The host holds 9.5% of the talking time here. How this is scored →
The host as informed peer 2.7 Guest teaching 2.8 Guest disagreement 0.8 The host pushing back 0.5
speaking balance: gold is the host, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 30:40 Ali correcting host premise on AI lab interest
Ali directly reframes the host's suggestion that major AI labs are interested in crypto, clarifying that big labs are focused entirely on AI and do not factor crypto into their work.
Hardest push from the host ▶ 35:54 Host presenting comprehensive L1 taxonomyThe host actively outlines his own detailed analysis of the L1 ecosystem trade-offs between Bitcoin, Ethereum, and Solana rather than asking a passive open question, prompting the guest to confirm or edit his take.
Biggest teaching moment ▶ 33:10 Ali explaining stateful blockchain computationAli clearly articulates how Ethereum differs from Bitcoin, explaining how smart contract platforms invert the hardware-software power dynamic to function as distributed world computers rather than financial ledgers.
The host holds their own ▶ 35:54 Host demonstrating domain mastery of L1 trade-offsThe host summarizes the nuanced positioning of Bitcoin, Ethereum, and Solana across decentralization vs throughput dimensions, earning immediate affirmation from guest Ali Yahya.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | The host as informed peer | Guest teaching | Guest disagreement | The host pushing back | Why |
|---|---|---|---|---|---|---|
| Episode Highlights: Crypto, AI, and Stablecoins | 2 | 3 | 1 | 0 | The host opens with a broad question asking what is currently working in crypto. Ali Yahya provides a detailed historical overview of Bitcoin's original peer-to-peer cash vision and how modern stablecoins are fulfilling that promise with sub-cent, sub-second transactions. | |
| Arianna Simpson on Stablecoin Maturity and AI Agents | 0 | 3 | 1 | 0 | In a guest-driven exchange where the host does not speak, Arianna Simpson highlights how AI agents can use crypto wallets rather than traditional bank accounts. Ali adds details on the inefficiencies of traditional credit card payment rails compared to software-based crypto settlement. | |
| Arianna Simpson on Consumer and Institutional Adoption | 2 | 3 | 0 | 0 | The host asks useful questions to structure the discussion around consumer vs institutional stablecoin adoption and ecosystem structure. Ali lays out how regulatory clarity could commoditize issuers and shift value capture to L1 infrastructure platforms. | |
| Stablecoins as Crypto's Mainstream 'iPhone Moment' | 3 | 2 | 1 | 0 | The host introduces the 'iPhone moment' comparison to ask if stablecoins represent crypto's breakthrough mass-market product. Arianna and Ali agree, noting enterprise treasury adoption like SpaceX using Bridge/Stripe. | |
| Navigating Regulatory Policy and Industry Strategy | 4 | 2 | 1 | 1 | The host articulates the difference between AI as sustaining innovation and crypto as startup-led disruption, bringing up Facebook's Libra precedent. Ali shares an anecdote from Google X illustrating institutional reluctance to embrace decentralized models. | |
| Arianna Simpson on Social Network Inertia and Consumer Behavior | 3 | 3 | 1 | 1 | The host probes whether the slow adoption of decentralized social networks is due to technical limits or consumer indifference. Arianna points to social graph network effects, while Ali explains how regulatory changes pivoted focus from social apps to financial rails. | |
| Ali Yahya on AI Deepfakes, Proof of Humanity, and Worldcoin | 2 | 4 | 1 | 0 | The host asks for details on the intersection of AI and crypto. Ali uses Thiel's 'AI is communist, crypto is libertarian' quote to explain how zero-knowledge proofs and Worldcoin's orb enable proof of humanity against AI deepfakes. | |
| Decentralized Compute Infrastructure and AI Business Models | 3 | 3 | 2 | 1 | Ali outlines decentralized compute networks like Jensen and new internet business models. The host pushes on whether major AI labs care about crypto, and Ali clarifies that big labs generally do not, though cross-over founders are building decentralized solutions. | |
| Clearing Up Misconceptions on Regulation and Blockchains | 2 | 4 | 1 | 0 | Asked about broad misconceptions, Arianna cites shifting US regulatory sentiment, while Ali educates on how Ethereum acts as a world computer inverting traditional hardware-software power dynamics rather than functioning as a mere ledger. | |
| Ali Yahya on Smart Contract Trade-Offs and L1 Platforms | 6 | 1 | 0 | 2 | The host delivers an informed, synthesized breakdown of smart contract platform trade-offs across Bitcoin, Ethereum, and Solana. Ali agrees completely with the host's framing, expanding on how high-throughput chains like Solana or Sui fit high-frequency use cases. | |
| Arianna Simpson on Meta's Libra Legacy and Builder Opportunity | 3 | 3 | 0 | 0 | The host asks Arianna to double-click on policy changes. Arianna explains how Meta's Libra project was stopped by regulators but spawned teams that founded current layer-1 blockchains like Sui and Aptos. |
Statements from this episode (26)
Yahya: Stablecoins generate $16 trillion in annual volume
“So there's something like 16 trillion dollars in volume on stablecoins per year.”
Yahya: Incumbents struggle with crypto due to business model disruption
“Crypto is, like, a fundamentally Radical set of technologies that is very, very hard for incumbent players to adopt and run with precisely because it is so fundamentally disruptive to the way that, that they do things.”
Yahya: Blockchains now process sub-second transactions for under a penny
“One of the big things that has happened is that the infrastructure has matured tremendously to the point at which now we are at a level where a transaction of any amount of money can be done for less than a penny in cost, and it can be done in under a second, …”
Yahya: Stablecoin adoption will trigger widespread DeFi adoption
“We believe that that'll likely lead to this cascading Sort of trend of adoption, because once stablecoins become a more kind of mainstay of the way that the financial system works, that opens the door for a lot of the other more advanced and futuristic ideas t…”
Simpson: AI agents require crypto wallets instead of bank accounts
“If you want to dispatch your agent to go transact on your behalf, you can't really give them your bank account or your credit card, but instead you can give them your crypto wallet.”
Yahya: Cross-border remittances take up to 7 days and cost up to 10%
“It can take up to like three to seven days To move money from one country to another, and it can cost, like, up to 10% of the transaction to do it.”
Simpson: Zarpay builds cash-to-stablecoin mobile kiosks in Pakistan
“There's a company in our current accelerator batch called Zarpay, which is operating in Pakistan, and they're basically creating a network of small you know the little shops if you've been to Africa or wherever they have these little sort of mobile kiosks wher…”
Simpson: Stablecoins are a non-speculative entry point for banks
“Stable coins I think are kind of like a baby step in in the sense that it's a lot more clear what the value proposition is, it's a non-speculative use case and so I think it, it's just a good entry point for some of these larger institutions.”
Yahya: Federal stablecoin regulation will likely pass in 2025
“We strongly believe it likely, it'll likely happen this year.”
Yahya: Stablecoin regulation will commoditize Tether and USDC issuers
“It will, it'll, to some extent, commoditize the issuance layer because it'll be easier for new issuers To emerge and create their own stable coins that, that are also user, you USD denominated to the point that those new stable coins are somewhat fungible and …”
Simpson: Stablecoins are likely crypto's mainstream 'iPhone moment'
“I mean, I think the odds are good that, that stablecoins are that thing.”
Yahya: SpaceX uses stablecoins for cross-border treasury management
“And stable coins are actually, like, apparently companies like SpaceX are already using Stablecoins for treasury management to move money from one country to another in a way that's much more efficient than using the.”
Simpson: SpaceX used Bridge for stablecoins prior to Stripe's acquisition
“Yeah, I believe they were using Bridge, which Stripe now acquired.”
Simpson: Facebook rejected internal crypto initiatives when she worked there
“I tried at Facebook, by the way, same thing.”
Yahya: Google refused to pursue crypto beyond basic node hosting
“Google would not touch crypto with a thousand foot pole unless it was like a very, very kind of vanilla, like we will like run and run some like note or whatever.”
Yahya: Fully embracing AI would force Google to cannibalize search revenues
“And I think that's actually becoming true for AI as well. Like I think that it was very, very true that AI was a very sustaining innovation. Before, but it's gotten so powerful that, that there are many elements of it that are disruptive. Like if Google wanted…”
Simpson: No major social network was started in the last decade
“If you look at, like, all of the big social networks, none of them have been started in the last decade. And that's not true just of crypto. It's true in general.”
Yahya: Financial Web3 use cases will precede consumer crypto adoption
“It's now much more clear that the kind of the more financial use cases are likely to happen first. Those will act as a legitimizing force for the rest of the space, and then the consumer use cases, which we still believe in, Will take longer.”
Yahya: Worldcoin orb never transmits raw biometric data off-device
“In fact, like, the data itself never leaves the orb, and only a code or a cryptographic object that is derived from the biometric data ever leaves the orb, and from that cryptographic object that is not possible to infer anything about the biometric data itsel…”
Yahya: Crypto can decentralize emerging AI power structures
“Crypto can help decentralize the power structures that are emerging in AI.”
Yahya: AI direct answers will eliminate web advertising models
“And that entire business model goes away if you just have an AI that just gives you the answer that you're looking for.”
Yahya: Major AI research labs are not focusing on crypto
“For the most part, I don't think so. I think for the most part, the AI labs, they're just running with AI, and there's so much that's exciting in that world that I think crypto is not, Doesn't really factor the actor in at all”
Simpson: Removing tokens from crypto eliminates what makes the technology valuable
“Tokens are part and parcel of what's valuable and interesting about crypto. And so if you remove that piece, it doesn't make any sense.”
Simpson: US regulatory climate is now favorable for token networks
“So the thing that's a misconception, perhaps, is that the situation is, is very different now. You know, we have a much friendlier administration in place. We have a very different situation in terms of the leadership of these agencies now. And so I actually t…”
Yahya: Blockchains invert tech history by giving software power over hardware
“It's a kind of technology that inverts the power relationship between the software and the hardware. Whereas historically, the hardware has always had power over the software because whomever controls the hardware can turn off the software or change it in some…”
Yahya: Ethereum Layer 1 cannot handle Nasdaq-scale exchange throughput
“If you wanted to build something like the Nasdaq exchange on chain, there's no way you're doing that on Ethereum one. You probably need a blockchain that has the kind of the level of performance that a Solana or a Sui or some of the other kind of More modern o…”