{
  "_meta": {
    "source": "https://mtb.xyz/posts/topic/fintech.json",
    "topic": "fintech",
    "generated_at": "2026-05-15T00:18:21.950Z",
    "count": 25,
    "parent": "https://mtb.xyz/posts.json",
    "author": {
      "@type": "Person",
      "name": "Matt Brown",
      "url": "https://mtb.xyz/",
      "jobTitle": "Investor",
      "worksFor": "Matrix Partners",
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  "posts": [
    {
      "title": "Fintech's moats don't compile",
      "url": "https://notes.mtb.xyz/p/fintechs-moats-dont-compile",
      "year": "2026",
      "tags": [
        "fintech",
        "ai",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "isNew": true,
      "description": "Fintech moats don't behave like software moats. What actually compounds",
      "summary": "Software people assume fintech moats work like software moats: code, distribution, network effects. They don't. The post explains why fintech moats live in different places (risk pricing, regulatory permission, balance-sheet trust) and what that means for software-first builders entering fintech.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/fintechs-moats-dont-compile.md"
    },
    {
      "title": "The thermodynamics of risk",
      "url": "https://notes.mtb.xyz/p/thermodynamics-risk",
      "year": "2026",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "Risk in fintech can't be destroyed. It transfers until someone owns it",
      "summary": "An argument that risk in fintech behaves like energy in physics: it can't be created or destroyed, only transferred between counterparties. The piece walks through how risk-transfer pricing determines who bears what, why most fintech businesses are fundamentally in the business of repricing risk, and where the durable economic margins concentrate.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/thermodynamics-risk.md"
    },
    {
      "title": "Stablecoins in 1,000 words",
      "url": "https://notes.mtb.xyz/p/stablecoins-1000-words",
      "year": "2025",
      "tags": [
        "fintech",
        "payments"
      ],
      "primary_topic": "payments",
      "series": "1000-words",
      "featured": true,
      "featured_order": 6,
      "isPopular": true,
      "description": "What stablecoins are, how they work, and why they matter for payments",
      "summary": "A short explainer of stablecoins from a payments perspective: what they actually are technically, how they hold their peg, the major issuers and reserve models, and where they realistically slot into payment rails, particularly cross-border and B2B.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/stablecoins-1000-words.md"
    },
    {
      "title": "Cross-border payments in ~1,000 words",
      "url": "https://notes.mtb.xyz/p/cross-border-payments-1000-words",
      "year": "2024",
      "tags": [
        "payments",
        "fintech"
      ],
      "primary_topic": "payments",
      "series": "1000-words",
      "description": "Why cross-border payments are slow and expensive, and what is starting to change",
      "summary": "A short explainer on the structure of cross-border payments: why they remain slow and expensive (correspondent banking, FX layering, settlement friction), what stablecoins and new rails are actually changing, and what isn't moving as fast as the narrative suggests.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/cross-border-payments-1000-words.md"
    },
    {
      "title": "Pricing payments in vertical software",
      "url": "https://notes.mtb.xyz/p/secrets-pricing-payments",
      "year": "2024",
      "tags": [
        "payments",
        "vertical-software",
        "fintech",
        "frameworks"
      ],
      "primary_topic": "payments",
      "description": "How to price payments inside vertical software so margins survive",
      "summary": "A practical guide for vertical software companies pricing payments. Covers the difference between rebate-based and markup-based pricing, why the rebate side of the take-rate matters more than the gross interchange figure, and how to align payment pricing with customer segments without leaving margin on the table.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/secrets-pricing-payments.md"
    },
    {
      "title": "Price and shape risk that others can't or won't",
      "url": "https://notes.mtb.xyz/p/make-money-selling-money",
      "year": "2024",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "Fintech's wedge is pricing risk that others can't or won't",
      "summary": "The most durable fintech wedges come from accepting and pricing risks that incumbent institutions can't underwrite or won't bother with. The post argues that what looks like a fintech innovation is often just a willingness to price a previously-unpriced or mispriced risk, and that the right framing for fintech operators is risk-shaping rather than software-building.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/make-money-selling-money.md"
    },
    {
      "title": "The future of interchange",
      "url": "https://sacra.com/research/the-future-of-interchange/",
      "year": "2024",
      "tags": [
        "payments",
        "fintech"
      ],
      "primary_topic": "payments",
      "featured": true,
      "featured_order": 5,
      "isPopular": true,
      "description": "Where payment revenue moves when interchange runs out of room",
      "summary": "An analysis of where payment revenue concentrates as interchange continues its secular decline. Durable payment economics increasingly come from non-interchange sources like risk, lending, FX, and embedded finance, and the shift reshapes what fintech and vertical software builders should optimize for.",
      "platform": "sacra.com",
      "is_external": true
    },
    {
      "title": "Investing in Rainforest",
      "url": "https://notes.mtb.xyz/p/rainforest",
      "year": "2024",
      "tags": [
        "investing",
        "payments",
        "fintech",
        "vertical-software"
      ],
      "primary_topic": "investing",
      "description": "Why Matrix invested in Rainforest, a payfac built for vertical software",
      "summary": "Matt's investment memo for Rainforest, a next-generation payment facilitator built for vertical software platforms. Explains why the legacy payfac stack is structurally inadequate for VERPs and how Rainforest's product-led approach repositions payfac infrastructure as a developer experience rather than a sales-driven SaaS sale.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/rainforest.md"
    },
    {
      "title": "Real-time payments in 1,000 words",
      "url": "https://notes.mtb.xyz/p/real-time-payments-1000-words",
      "year": "2024",
      "tags": [
        "payments",
        "fintech"
      ],
      "primary_topic": "payments",
      "series": "1000-words",
      "description": "How real-time payment rails work and why their adoption curve is uneven",
      "summary": "A short explainer on real-time payment rails: how they work technically, why adoption has been faster in some geographies and use cases than others, and what the slow parts of the curve reveal about the constraints (interchange substitution, fraud risk, business-model resistance) that block faster uptake.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/real-time-payments-1000-words.md"
    },
    {
      "title": "The new fintech stack is… open source?",
      "url": "https://notes.mtb.xyz/p/fintech-stack-open-source",
      "year": "2024",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "Why open source is starting to work as fintech infra distribution",
      "summary": "An exploration of why open source is suddenly viable as a distribution and trust-building strategy for fintech infrastructure, where it had previously failed. Covers the maturity of the developer/buyer overlap in fintech, the role of compliance-readable codebases, and the shape of the resulting business models.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/fintech-stack-open-source.md"
    },
    {
      "title": "Data on fintech adoption in vertical software",
      "url": "https://notes.mtb.xyz/p/fintech-adoption-vertical-software",
      "year": "2024",
      "tags": [
        "vertical-software",
        "fintech"
      ],
      "primary_topic": "vertical-software",
      "description": "Hard data on how vertical software companies are adopting fintech",
      "summary": "A data-driven look at the adoption of fintech features inside vertical software companies. Walks through the share of vertical SaaS revenue now coming from payments, lending, and other financial products, and what the curve says about which categories are early, mid, and saturated.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/fintech-adoption-vertical-software.md"
    },
    {
      "title": "A chat with Toast's GM of Fintech",
      "url": "https://notes.mtb.xyz/p/michel-rbeiz-toast",
      "year": "2024",
      "tags": [
        "fintech",
        "vertical-software",
        "payments"
      ],
      "primary_topic": "fintech",
      "description": "An interview with Toast's fintech GM on building fintech inside vSaaS",
      "summary": "A conversation with Michel Rbeiz, GM of Fintech at Toast, on building a fintech business inside a vertical software company. Covers Toast Capital's underwriting model, the difference between launching payments and launching credit, and what operational muscles vSaaS companies need to build to win at fintech.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/michel-rbeiz-toast.md"
    },
    {
      "title": "Payfac in 1,000 words",
      "url": "https://notes.mtb.xyz/p/payfac-1000-words",
      "year": "2024",
      "tags": [
        "payments",
        "fintech"
      ],
      "primary_topic": "payments",
      "series": "1000-words",
      "featured": true,
      "featured_order": 4,
      "isPopular": true,
      "description": "What payfacs actually do, how they make money, and when to build one",
      "summary": "A short explainer of the payment-facilitator model: what a payfac is, how it differs from a traditional merchant-acquirer setup, the economics of payfac aggregation, and the decision framework for when a vertical software company should build its own payfac vs partner with one.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/payfac-1000-words.md"
    },
    {
      "title": "Fintech from first principles",
      "url": "https://notes.mtb.xyz/p/fintech-first-principles",
      "year": "2024",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "isPopular": true,
      "description": "A first-principles framework for thinking about what fintech actually is",
      "summary": "A reset on what \"fintech\" actually is, from first principles. The post argues that most fintech taxonomies start from the wrong place (product categories, customer segments) and proposes a framework built around the underlying functions that financial systems perform, which produces a clearer view of where durable economic value sits.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/fintech-first-principles.md"
    },
    {
      "title": "B2B payments aren't payments, they're workflows",
      "url": "https://notes.mtb.xyz/p/b2b-payments-workflows",
      "year": "2023",
      "tags": [
        "payments",
        "vertical-software",
        "frameworks",
        "fintech"
      ],
      "primary_topic": "payments",
      "featured": true,
      "featured_order": 2,
      "description": "The real money in B2B payments is in the workflow, not the transaction",
      "summary": "B2B payments are workflow problems, not transaction-routing problems. The value capture (and the reason vertical software wins) lives in the approval, reconciliation, and AP/AR workflows surrounding a transaction, not in the rails themselves.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/b2b-payments-workflows.md"
    },
    {
      "title": "Fundraising for fintech infra is different",
      "url": "https://notes.mtb.xyz/p/fintech-infra-fundraising",
      "year": "2023",
      "tags": [
        "fintech",
        "investing",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "Why fintech infra fundraising plays by different rules than SaaS infra",
      "summary": "Fintech infrastructure companies face fundraising dynamics that don't map onto generalist SaaS infrastructure patterns. The piece walks through what investors look for differently in fintech infra (regulatory thesis, balance-sheet path, revenue-quality questions) and what founders should adjust in pitch and milestones.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/fintech-infra-fundraising.md"
    },
    {
      "title": "The iron triangle of embedded fintech",
      "url": "https://notes.mtb.xyz/p/iron-triangle-embedded-fintech",
      "year": "2023",
      "tags": [
        "fintech",
        "frameworks",
        "vertical-software"
      ],
      "primary_topic": "fintech",
      "description": "The three constraints embedded fintech can't optimize at once",
      "summary": "Embedded fintech operators face an iron triangle: compliance ownership, unit economics, and customer experience. The piece argues that builders can win on at most two of these simultaneously and that the choice of which to compromise determines the entire shape of the business.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/iron-triangle-embedded-fintech.md"
    },
    {
      "title": "Bundling, unbundling, and timing",
      "url": "https://notes.mtb.xyz/p/bundling-unbundling-and-timing",
      "year": "2023",
      "tags": [
        "frameworks",
        "fintech"
      ],
      "primary_topic": "frameworks",
      "description": "When bundling beats unbundling and how to read the cycle in fintech",
      "summary": "A timing-oriented reading of bundling and unbundling cycles in fintech. The post argues that whether bundling or unbundling is the right play depends on where customer attention and trust currently sit, and that the same market can swing between bundled and unbundled equilibria as those underlying conditions shift.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/bundling-unbundling-and-timing.md"
    },
    {
      "title": "The best fintechs turn risk into leverage",
      "url": "https://notes.mtb.xyz/p/turning-risk-into-leverage",
      "year": "2023",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "How the best fintechs convert risk from a cost into compounding leverage",
      "summary": "An argument that the best fintech businesses don't avoid risk but convert it into a leverageable asset. The post examines how leading fintech companies use accumulated risk experience as a moat, walking through pattern recognition, data-pricing advantages, and balance-sheet flywheels that distinguish risk-leveraging fintechs from risk-avoiding ones.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/turning-risk-into-leverage.md"
    },
    {
      "title": "Winner-take-all dynamics in fintech",
      "url": "https://notes.mtb.xyz/p/why-arent-there-more-winner-take",
      "year": "2023",
      "tags": [
        "fintech",
        "frameworks"
      ],
      "primary_topic": "fintech",
      "description": "Why most fintech categories aren't winner-take-all, and where they are",
      "summary": "An examination of when fintech categories tip toward winner-take-all dynamics and when they remain fragmented. The post argues that most fintech subcategories don't actually exhibit winner-take-all behavior the way pure software categories do, and identifies the structural conditions (regulatory choke points, balance-sheet scale, network effects in risk data) under which winner-take-all does emerge.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/why-arent-there-more-winner-take.md"
    },
    {
      "title": "Interchange is a burning platform",
      "url": "https://notes.mtb.xyz/p/interchange-is-a-burning-platform",
      "year": "2023",
      "tags": [
        "payments",
        "fintech",
        "frameworks"
      ],
      "primary_topic": "payments",
      "description": "Interchange revenue is in secular decline. Build with that in mind",
      "summary": "A call to fintech and vertical software builders to stop treating interchange as a permanent revenue stream. The piece lays out the structural forces driving interchange compression and argues that any business model whose unit economics depend on current interchange rates is on a burning platform.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/interchange-is-a-burning-platform.md"
    },
    {
      "title": "Interchange in 1,000 words",
      "url": "https://notes.mtb.xyz/p/interchange-in-1000-words",
      "year": "2023",
      "tags": [
        "payments",
        "fintech"
      ],
      "primary_topic": "payments",
      "series": "1000-words",
      "featured": true,
      "featured_order": 3,
      "isPopular": true,
      "description": "How card fees work, who keeps what, and why margins keep compressing",
      "summary": "A high-level walkthrough of card-payment economics: who the issuer, acquirer, and scheme are, how interchange and acquirer markup split the gross fee, and how software-led acquiring (payfacs, BaaS) and issuing fit into the modern payment stack. Concludes that interchange revenue alone is structurally fragile; smart fintechs use it as a foundation for higher-margin business models, not as the destination.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/interchange-in-1000-words.md"
    },
    {
      "title": "Undifferentiated heavy lifting",
      "url": "https://notes.mtb.xyz/p/undifferentiated-heavy-lifting-in",
      "year": "2022",
      "tags": [
        "frameworks",
        "fintech",
        "vertical-software"
      ],
      "primary_topic": "fintech",
      "featured": true,
      "featured_order": 12,
      "description": "Fintech infra rarely differentiates, so stop building it",
      "summary": "Infrastructure capabilities like KYC, ledgering, ACH plumbing, and core compliance rarely differentiate a customer-facing fintech product. The right move is to buy or partner for that layer and reinvest engineering effort in the experience, distribution, or risk model that actually compounds.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/undifferentiated-heavy-lifting-in.md"
    },
    {
      "title": "VERP product strategy",
      "url": "https://notes.mtb.xyz/p/verp-product-strategy-vertical-software-payments",
      "year": "2022",
      "tags": [
        "vertical-software",
        "frameworks",
        "payments",
        "fintech"
      ],
      "primary_topic": "vertical-software",
      "isPopular": true,
      "description": "Product strategy for vertical-software companies that monetize via payments",
      "summary": "Matt's foundational VERP (Vertical Software + Payments) framework. The post defines the VERP category, lays out the product-strategy decisions that distinguish strong from weak VERPs, and connects the framework to broader patterns in how vertical software companies should sequence feature, payment, and lending launches.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/verp-product-strategy-vertical-software-payments.md"
    },
    {
      "title": "Building category-defining VERPs",
      "url": "https://notes.mtb.xyz/p/how-to-build-a-category-defining-verp",
      "year": "2022",
      "tags": [
        "vertical-software",
        "payments",
        "fintech",
        "frameworks"
      ],
      "primary_topic": "vertical-software",
      "description": "What it takes to build a category-defining VERP",
      "summary": "A step-through of what it takes to build a category-defining vertical ERP (VERP), from product strategy through fintech monetization. The post extends the VERP framework with the playbook details that distinguish category-defining VERPs from solid-but-mediocre ones, focusing on the sequencing of feature, payment, and lending product launches.",
      "platform": "notes.mtb.xyz",
      "is_external": false,
      "markdown_url": "/posts/how-to-build-a-category-defining-verp.md"
    }
  ]
}