The Fintech Blueprint

Lex Sokolin
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Mar 10, 2025 • 46min

Building a Trustless Supercomputer for Web3 and AI, with Arweave's Founder Sam Williams

Lex interviews Sam Williams - founder of Arweave. This episode delves into the innovative aspects of Arweave, a protocol designed for permanent data storage and computation within the Web3 ecosystem. The discussion covers a range of topics, from the economic models underpinning Arweave to its potential applications in decentralized finance (DeFi) and beyond. Notable discussion points: The Founding of Arweave and its Mission – Sam Williams’ interest in distributed computing and concerns about authoritarianism led him to create Arweave in 2017. Inspired by the Snowden leaks, he saw the need for a blockchain-based permanent storage solution to protect journalism, historical records, and digital assets from censorship. Decentralized vs. Distributed Storage – Williams explained how Arweave differs from alternatives like IPFS and Filecoin. Unlike traditional storage, which requires ongoing payments, Arweave uses a one-time payment model. This storage endowment leverages declining storage costs to ensure long-term data persistence without relying on centralized infrastructure. Arweave’s Expansion into Decentralized Compute – Arweave has evolved beyond storage to develop decentralized computing through "Arweave IO." This enables parallelized smart contract execution, making it possible to run AI models, financial automation, and decentralized apps on-chain—aligning with Web3’s shift toward autonomous, intelligent systems.MENTIONED IN THE CONVERSATION Topics: Arweave, permanent data storage, Web3, decentralized systems, distributed systems, blockchain, economic models, IPFS, Filecoin, decentralized computing, decentralized finance, compute ABOUT THE FINTECH BLUEPRINT 🔥Subscribe to the Fintech Blueprint newsletter to stay at the forefront of Fintech and DeFi: https://bit.ly/3hyhlC2 🤝 Partner with Fintech Blueprint through sponsorships: https://bit.ly/3UZllsV 👉 Twitter: https://twitter.com/LexSokolin TIMESTAMPS 1’06: From Distributed Computing to Decentralized Truth Preservation: A Journey into Web3 4’31: Decentralization vs. Distribution: Defining the Future of Web3 Infrastructure 9’41: Building a Decentralized Archive: Arweave’s Journey from Vision to Adoption 16’28: Web3 Storage Economics: Arweave vs. IPFS and the NFT Data Dilemma 22’42: Arweave’s Endowment Model: A Blockchain-Native Approach to Permanent Storage 27’13: Arweave’s Next Chapter: From Permanent Storage to Decentralized Supercomputing 31’36: Decentralized AI and Agent Finance: Expanding Arweave’s Computational Power 36’26: Decentralized AI and Blockchain: Overcoming Computation and Consensus Challenges 41’34: The Future of Decentralized Intelligence: Trustless Finance and Digital Immortality 44’59: The channels used to connect with Sam & learn more about Arweave Disclaimer here — this newsletter does not provide investment advice and represents solely the views and opinions of FINTECH BLUEPRINT LTD.Contributors: Lex, Laurence, Matt, Farhad, Mike, DaniellaWant to discuss? Stop by our Discord and reach out here with questions.
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Feb 24, 2025 • 42min

The Virtual Card Revolution Powering $7 Billion in Transactions, with Extend CEO Andrew Jamison

Lex interviews Andrew Jamison - CEO and Co-founder of Extend - a financial infrastructure platform that helps banks innovate financial product development with capabilities while working with their existing systems, starting with virtual cards. Andrew shares his journey into fintech, detailing his experiences at American Express and the evolution of virtual cards. He discusses the challenges and opportunities in the virtual card space, the founding of Extend, and its innovative approach to simplifying spend management. The episode highlights Extend's rapid growth, unique market position, and the future of financial management, emphasizing real-time transactions and integrated solutions for businesses. Notable discussion points: Virtual Cards = Smarter Spend ManagementVirtual credit cards revolutionize payments by enabling real-time reconciliation, reducing fraud, and improving financial control—especially for SaaS, digital ads, and legal expenses. Extend’s Edge: Partnering with Banks, Not Disrupting ThemUnlike Brex and Ramp, Extend powers virtual cards on existing bank-issued cards, making adoption seamless for businesses while strengthening bank relationships. B2B Payments Go EmbeddedThe future of finance is embedding payments directly into platforms like SAP Concur - letting CFOs manage expenses within the tools they already use. From Enterprise-Only to Instant AccessVirtual cards once took months to implement. Extend’s API-first approach makes them deployable in minutes, bridging the gap between legacy banking and modern finance. MENTIONED IN THE CONVERSATION Topics: Extend, American Express, AMEX, SAP,  fintech, credit cards, spend management, virtual cards, B2B, API, banking infrastructure, embedded payments ABOUT THE FINTECH BLUEPRINT 🔥Subscribe to the Fintech Blueprint newsletter to stay at the forefront of Fintech and DeFi: https://bit.ly/3hyhlC2 🤝 Partner with Fintech Blueprint through sponsorships: https://bit.ly/3UZllsV 👉 Twitter: https://twitter.com/LexSokolin TIMESTAMPS 1’10: From Green Screens to the Cloud: How Early Tech Shaped Andrew Jamison’s Approach to Business and Automation 5’12: Scaling Amex: Expanding Beyond Travel to B2B Payments and Virtual Cards 10’27: Virtual Cards in Travel: Solving Payments but Struggling with Scale 15’19: Virtual Cards and On-Demand Growth: How APIs Unlocked a New Payments Model 19’17: From Amex to Extend: Reinventing Virtual Cards for Everyday Business 26’00: Scaling Smart Payments: How Extend is Reshaping B2B Credit Cards 29’33: Rethinking Spend Management: How Extend Partners with Banks Instead of Replacing Them 31’47: Built for CFOs: How Extend Streamlines Payments and Expense Management 35’08: The Future of Finance: How Embedded Payments and APIs Are Reshaping the CFO’s Role 40’34: The channels used to connect with Andrew & learn more about Extend Disclaimer here — this newsletter does not provide investment advice and represents solely the views and opinions of FINTECH BLUEPRINT LTD.Contributors: Lex, Laurence, Matt, Farhad, Mike, DaniellaWant to discuss? Stop by our Discord and reach out here with questions.
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Feb 14, 2025 • 42min

How Sei is Breaking Ethereum's Limits with Co-Founder Jayendra Jog

Lex interviews Jayendra Jog - co-founder of Sei Labs, about his professional journey and the innovative Sei protocol—a high-performance parallel blockchain. Jay shares insights from his time at Robinhood, emphasizing the importance of distribution over technology and the challenges of scaling a fintech company. He discusses the limitations of Ethereum's transaction processing and how Sei Labs aims to address these through parallelization. The conversation also covers the future of blockchain in finance, the need for regulatory clarity, and the potential of high-performance blockchains to support emerging industries like AI and decentralized science. Notable discussion points: Impact Over Paychecks – Jog’s career leap from SAP to Facebook, Pinterest, Robinhood, and Sei Labs was driven by impact, not salary. He thrived in small, high-talent teams where he could truly move the needle. Robinhood’s Growing Pains – Early Robinhood was fast and scrappy, but as it scaled, bureaucracy slowed innovation. The shift from “missionary” to “mercenary” employees hurt culture and velocity. Tech Doesn’t Win—Distribution Does – The best crypto projects don’t just have great tech; they win by getting users. Sei Labs focuses on real-world adoption, not just engineering breakthroughs. Sei’s Parallelized EVM: A Game Changer – Ethereum is slow. Sei Labs fixes this by parallelizing transactions, enabling high-speed trading and complex on-chain applications. It’s Ethereum’s power with Solana’s speed. MENTIONED IN THE CONVERSATION Topics: fintech, blockchain, Sei Labs, Sei protocol, Ethereum Virtual Machine, EVM, Robinhood, decentralized applications, DeFi protocols, DePIN ABOUT THE FINTECH BLUEPRINT 🔥Subscribe to the Fintech Blueprint newsletter to stay at the forefront of Fintech and DeFi: https://bit.ly/3hyhlC2 🤝 Partner with Fintech Blueprint through sponsorships: https://bit.ly/3UZllsV 👉 Twitter: https://twitter.com/LexSokolin TIMESTAMPS 1’29: From Silicon Valley Roots to Startup Hustle: Jayendra Jog’s Journey Through Tech’s Elite Ranks 7’53: Scaling Robinhood: From Scrappy Startup to Corporate Bureaucracy 12’56: Why Robinhood Won: Distribution Over Technology in Fintech and Crypto 17’38: Sei and the Parallelized EVM: Scaling Blockchain for High-Performance Trading 25’18: Parallelization in Blockchain: Unlocking Scalability Without Breaking the System 28’03: Building Sei: Solving the Blockchain Adoption Puzzle for Finance and Developers 33’50: The Blockchain Race: Competing for Killer Apps and Market Dominance 38’02: The Next Wave: Sei’s Vision for AI, DePIN, and High-Performance Blockchain Applications 41’34: The channels used to connect with Jay & learn more about Sei Disclaimer here — this newsletter does not provide investment advice and represents solely the views and opinions of FINTECH BLUEPRINT LTD.Contributors: Lex, Laurence, Matt, Farhad, Mike, DaniellaWant to discuss? Stop by our Discord and reach out here with questions.
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Jan 28, 2025 • 42min

Protecting 2,700 Customers Across 100 Million Transactions, with Socure's CTO Arun Kumar

Arun Kumar, CTO of Socure, a leader in identity management, shares insights from his impressive tech career with Amazon and Citadel. He discusses Socure's rapid growth, serving 2,700 clients, including top U.S. banks, while processing hundreds of millions of transactions each month. Arun highlights Socure's innovative use of a real-time identity graph to combat sophisticated fraud tactics like deepfakes. He also reveals plans for expanding their services into transaction monitoring and leveraging Generative AI for operational efficiency.
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Dec 23, 2024 • 53min

Curve’s Big Bet Reinventing Payments and Wallets, with CEO Shachar Bialick

Shachar Bialick, the Founder and CEO of Curve, shares insights from his journey as a serial entrepreneur and his military background in Israel. He discusses the vision behind Curve as a 'wallet to rule them all,' aimed at simplifying digital payments. Shachar explains the challenges of partnering with major payment networks and the importance of cultivating a resilient company culture. He also addresses the evolution of fintech, highlighting the competition faced by neobanks and the significance of open banking in creating seamless financial experiences.
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Dec 6, 2024 • 46min

The Decentralized AI Revolution with 0G Labs CEO, Michael Heinrich

Michael Heinrich, co-founder and CEO of 0G Labs, is on a mission to revolutionize artificial intelligence through decentralization. He shares insights into how decentralized AI promotes transparency and verifiability, contrasting sharply with the closed systems of big tech. The discussion highlights the role of blockchain in enforcing ethical AI practices and ensuring fair compensation for data contributors. Heinrich also elaborates on 0G Labs' innovative AI operating system, aiming for seamless user experiences akin to centralized platforms, while integrating advanced verification mechanisms.
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Nov 21, 2024 • 46min

Coinbase view on the future of crypto, with VP of International Policy Tom Duff Gordon

Lex interviews Tom Duff Gordon, the Vice President of International Policy at Coinbase, where he drives the company’s engagement with policymakers in global markets across the UK, Europe, APAC,  LatAm, and the MENA region. Together, Tomm and Lex discuss the importance of policy work in the financial services industry, especially after the 2008 financial crisis, and how policy teams collaborate with regulators to shape the regulatory environment; the reasons why the financial services industry is heavily regulated, including the systemic and interconnected nature of the financial system and the need to protect retail consumers; the regulatory approaches to cryptocurrency and digital assets in different jurisdictions, with Europe (MiCA), the US, and other regions like Asia. The discussion highlights the diverse and evolving nature of crypto regulation globally; the challenges faced by the US in developing a coherent regulatory framework for crypto assets, particularly the jurisdictional tussle between the SEC and CFTC; Coinbase's efforts to advocate for clear and balanced crypto regulation, including through grassroots initiatives like "Stand with Crypto"; and lastly, Coinbase's evolving product strategy, expanding beyond its core exchange business into areas like custody, lending, and infrastructure for the broader crypto ecosystem. MENTIONED IN THE CONVERSATION Topics: Coinbase, Credit Suisse, SEC, Circle, MiCA, Stand With Crypto, FIT21, financial regulation, financial policy, crypto, exchange, USDC ABOUT THE FINTECH BLUEPRINT 🔥Subscribe to the Fintech Blueprint newsletter to stay at the forefront of Fintech and DeFi: https://bit.ly/3hyhlC2 🤝 Partner with Fintech Blueprint through sponsorships: https://bit.ly/3UZllsV 👉 Twitter: https://twitter.com/LexSokolin TIMESTAMPS 1’02: Shaping the Future of Finance: Tom Duff Gordon’s career involving Policy, Crypto, and Global Regulation 7’30: Preventing Financial Panic: How Regulation Mitigates Systemic Collapse 13’12: From Bank Runs to Balance Sheets: Tackling Systemic Risk and Preventing Financial Contagion 16’32: Regulating Crypto: Global Progress and Emerging Frameworks 19’42: Expanding Crypto Regulation Worldwide: Frameworks, Challenges, and the Road Ahead 28’18: Crypto and the SEC: Unpacking America’s Contradictory Approach to Regulation 34’30: Crypto Politics: Why the US is Divided While Europe Stays Unified 41’30: Scaling Crypto: Coinbase's Multi-Vertical Strategy and Ecosystem Vision 45’28: The channels used to connect with Tom & learn more about Coinbase Disclaimer here — this newsletter does not provide investment advice and represents solely the views and opinions of FINTECH BLUEPRINT LTD.Contributors: Lex, Laurence, Matt, Farhad, Mike, DaniellaWant to discuss? Stop by our Discord and reach out here with questions.
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Oct 29, 2024 • 44min

Scaling Dynasty to 2,5k Monthly Signups using TikTok, with CEO Alessandro Chesser

In this chat, Alessandro Chesser, CEO of Dynasty and former sales leader at Carta, discusses his journey from navigating sales challenges to launching a fintech platform. He stresses the importance of syncing business and product teams, revealing lessons learned from Carta's setbacks. Alessandro shares how TikTok is driving organic growth, emphasizing the power of viral content to engage younger audiences. Lastly, he dives into the complexities of automating trust creation, highlighting both legal hurdles and the potential to revolutionize asset management.
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Oct 7, 2024 • 49min

What really happened at Synapse according to Founder Sankaet Pathak

Sankaet Pathak, former CEO and founder of Synapse and current CEO of Foundation, delves into the rise and challenges of banking-as-a-service. He reveals the revelations behind Synapse's issues, including reconciliation problems and missing payments. Pathak discusses the complex relationship with bank partners and the regulatory oversights encountered in the fintech space. The conversation also highlights the potential role of blockchain technology and the importance of transparency to regain customer trust in a shifting financial landscape.
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Sep 16, 2024 • 46min

Brigit's journey to $100MM+ revenue and $1B in fees saved, with CEO Zuben Mathews

Lex chats with Zuben Mathews - CEO and Co-founder of Brigit. Brigit is a leading consumer financial app in the United States that offers a suite of holistic financial products including budgeting, financial insights, access to paychecks, and credit building. Zuben kicks off the conversation discussing his journey from investment banking at Deutsche Bank to founding one of the largest financial health apps in the U.S. Mathews reflects on his early experiences in banking, where he launched a small entrepreneurial team within Deutsche to leverage the bank’s data and client relationships to drive revenue. This experience helped shape his approach to solving real financial pain points, which became the foundation of Brigit. Zuben explains Brigit’s focus on addressing the U.S. financial crisis of living paycheck-to-paycheck, a problem he personally experienced as an immigrant student. Brigit’s initial product leverages cashflow data to provide instant cash advances, helping users avoid overdrafts and predatory loans. Mathews emphasizes that Brigit’s success stems from a commitment to solving users’ deepest financial issues and using real-time cashflow data, not traditional FICO scores, to provide financial solutions. The conversation delves into Brigit’s subscription-based business model, which offers transparency and value to users, helping them save money while improving financial stability. Zuben discusses how the app has grown to serve over a million users, generating more than $100 million in revenue with a small team of 90. He also addresses challenges in fintech, such as data access in the U.S. compared to Europe’s open banking regulations, and calls for more balanced regulation that encourages innovation while protecting consumers. The discussion concludes with Zuben advocating for greater access to bank data and better infrastructure for fintechs, highlighting the importance of innovation in improving customer outcomes in the financial space. MENTIONED IN THE CONVERSATION Brigit's Website: https://bit.ly/4d8tqohZuben's LinkedIn: https://bit.ly/3XvsEvT Topics: Fintech, neobank, overdraft, cash advance, subscription, financial wellbeing, PSD2, regulation Tags: Brigit, Deutsche Bank, Plaid, Chime, Revolut, Monzo, Yodlee, Synapse, Coastal Community Bank ABOUT THE FINTECH BLUEPRINT 🔥Subscribe to the Fintech Blueprint newsletter to stay at the forefront of Fintech and DeFi: https://bit.ly/3hyhlC2 🤝 Partner with Fintech Blueprint through sponsorships: https://bit.ly/3UZllsV 👉 Twitter: https://twitter.com/LexSokolin TIMESTAMPS 1’36: From Deutsche Bank to Brigit: Zuben Mathews' Journey in Finance and Entrepreneurship 5’03: Bridging Silos at Deutsche Bank: Detailing Strategic Vendor Partnerships and Fintech Insights 9’06: From Startup Struggles to Success: Building Brigit and Navigating the Challenges of Entrepreneurship 15’41: Solving America's Deepest Financial Pain Point: The Vision Behind Brigit's Differentiation in a Crowded Fintech Market 21’07: Leveraging Cashflow Data to Outperform Banks: How Brigit Built a Product to Tackle Overdraft Fees and Expand Financial Access 24’47: Beyond Overdraft Protection: How Brigit Uses Cashflow Data to Reduce Financial Stress and Drive User Engagement 29’01: Balancing Affordability and Financial Health: How Brigit's Subscription Model Empowers Users While Lowering Costs 33’25: Challenges of Data Access in US Fintech: Navigating Bank Transactional Data and the Push for Open APIs 40’36: Navigating US Banking Rails: The Role of Regulation, Innovation, and Customer-Centric Solutions in Fintech 45’24: The channels used to connect with Zuben & learn more about Brigit Disclaimer here — this newsletter does not provide investment advice and represents solely the views and opinions of FINTECH BLUEPRINT LTD.Contributors: Lex, Laurence, Matt, Farhad, Mike, DaniellaWant to discuss? Stop by our Discord and reach out here with questions.

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