Dec 19, 2025 · 45m · a16z
How AI Will Transform Fintech In 2026
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In this episode of The a16z Show, host Erik Torenberg, Plaid CEO Zach Perret Perret, and a16z General Partner David Haber Haber analyze the macroeconomic evolution of fintech from the 2020 venture boom to the 2022 washout and current rebound. They discuss how artificial intelligence is reshaping financial services through B2B labor replacement, agentic interfaces, and an escalating battle against AI-driven financial fraud.
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 7.4% of the talking time here. How this is scored →
speaking balance: gold is the host, purple is the guest (3 minute bins)
Zach playfully interrupts David to reject the premise that there was too much euphoria during the 2021 venture boom.
Hardest push from the host ▶ 10:40 Challenging crypto's identityErik directly challenges the narrative around crypto being a new internet, asking if it is really just a subset of standard fintech.
Biggest teaching moment ▶ 27:52 AI fraud breakdownZach educates the host on how the primary commercial application of AI in fintech today is actually automated financial fraud.
The host holds their own ▶ 10:40 Reframing crypto vs fintechErik cuts through industry buzzwords by probing whether crypto has effectively collapsed into core fintech.
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 |
|---|---|---|---|---|---|---|
| Host Welcome and Setting the Episode's Context | 2 | 4 | 0 | 0 | Erik sets the episode's context by asking guests to summarize changes in fintech since 2018. Zach and David detail the boom and bust cycle, sharing striking stats about VC funding shifts. | |
| From Startups to Mainstream Infrastructure and AI Horizons | 2 | 3 | 0 | 0 | Zach explains how fintech evolved from solving basic digital access to tackling underlying infrastructure challenges like credit scoring and AI agent integration. | |
| Crypto's Role in Core Fintech and Incumbent System Integration | 3 | 3 | 1 | 1 | Erik questions whether crypto is fundamentally just a subset of fintech rather than a new internet paradigm. Zach reframes consumer speculation habits while David addresses incumbent adoption. | |
| Plaid's Foundational Role and the Incumbent Tech Transformation | 1 | 3 | 0 | 0 | David praises Plaid's role as foundational infrastructure and contrasts incumbent legacy choices like Goldman Sachs building its own internal email client with modern tech adoption. | |
| Lessons from the VC Boom, Washout, and Resilient Winners | 3 | 3 | 2 | 0 | Erik asks what caused the VC allocation drop after 2021. Zach playfully interrupts David to defend the period's valuation euphoria before both analyze market consolidation. | |
| The Shift to B2B Financial Software and AI Labor Replacement | 2 | 4 | 1 | 0 | Zach expresses skepticism about consumer enthusiasm for self-driving money apps due to trust issues, while David outlines B2B AI opportunities replacing manual enterprise labor. | |
| Predictions for 2026: The AI Financial Fraud Threat | 2 | 4 | 0 | 0 | Zach outlines his prediction that AI-driven financial fraud will accelerate rapidly, citing pig butchering scams and automated threat vectors. | |
| Plaid's Internal Eras, the $5B Visa Deal, and Refounding Moments | 2 | 4 | 1 | 0 | Zach reflects on Plaid's operational history, including the canceled $5B Visa acquisition due to DOJ scrutiny and pandemic contract clauses. | |
| 2026 Outlook: Early Spring, B2B AI Adoption, and Plaid's Next Wave | 2 | 2 | 1 | 0 | The guests summarize the near-term outlook for B2B AI adoption and Plaid's growth plans. The segment concludes with light banter teasing Erik about podcast frequency. |