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Posts tagged #finance

A mix of technical deep-dives, career reflections, and dispatches from the road.

Embedded Finance: What It Actually Takes to Put a Bank Inside Your App thumbnail
financeSep 9, 2026· 5 min
Embedded Finance: What It Actually Takes to Put a Bank Inside Your App
Scheduling apps issue debit cards now, and invoicing tools offer loans. Here is the three-layer stack underneath embedded finance, where the money actually comes from, and what the Synapse collapse changed about who has to keep the ledger.
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Sector Rotation: A Good Map and a Bad Clock thumbnail
financeSep 6, 2026· 4 min
Sector Rotation: A Good Map and a Bad Clock
Sector rotation charts promise a map of the business cycle laid over the stock market. The taxonomy and the economic logic hold up well. The timing is where the evidence gets uncomfortable.
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Dividend Yield Is a Ratio, Not a Promise thumbnail
financeSep 2, 2026· 4 min
Dividend Yield Is a Ratio, Not a Promise
A high dividend yield can mean a company is generating serious cash, or it can mean the share price is falling faster than the payout. Here's how to tell the difference.
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What's Actually in Your Phone When You Tap to Pay thumbnail
financeAug 29, 2026· 4 min
What's Actually in Your Phone When You Tap to Pay
Your card number isn't in your phone. Here's what a digital wallet actually stores, why a stolen token is useless on its own, and why merchants care about tokens for reasons that have nothing to do with security.
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How US Regulators Sorted Crypto Into Five Buckets thumbnail
financeAug 26, 2026· 5 min
How US Regulators Sorted Crypto Into Five Buckets
For years, whether a token was a security came down to a lawyer's read of a 1946 orange grove case. In 2026 the SEC finally published a taxonomy, and then proposed rules to go with it.
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Index Funds vs. Active Management: Reading the Scorecard Honestly thumbnail
financeAug 22, 2026· 4 min
Index Funds vs. Active Management: Reading the Scorecard Honestly
The SPIVA scorecards are the most-cited evidence in the passive-versus-active debate. Here is what they actually measure, why survivorship and persistence do more work than any single year's headline, and where the argument gets genuinely interesting.
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How DeFi Lending Works: Health Factors, Rate Curves, and Liquidation Bots thumbnail
financeAug 19, 2026· 5 min
How DeFi Lending Works: Health Factors, Rate Curves, and Liquidation Bots
On-chain lending replaces credit checks with collateral, loan officers with a utilization curve, and collections with bots. Here is what each of those swaps actually costs you.
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Position Sizing: The Trade Decision That Happens Before the Trade thumbnail
financeAug 15, 2026· 5 min
Position Sizing: The Trade Decision That Happens Before the Trade
Most trading education obsesses over entries and indicators. The arithmetic says how much you put on matters more than where you got in, and the math is less forgiving than it looks.
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Payment Fraud Detection and the False Decline Problem thumbnail
financeAug 12, 2026· 4 min
Payment Fraud Detection and the False Decline Problem
Card fraud systems score every transaction in well under a second, but the legitimate orders they wrongly reject cost merchants far more than the fraud they catch. A look at risk scoring, 3-D Secure, and the error nobody instruments.
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KYC in the Deepfake Era: Why a Selfie Stopped Being Proof thumbnail
financeAug 8, 2026· 5 min
KYC in the Deepfake Era: Why a Selfie Stopped Being Proof
The document-plus-selfie onboarding flow every fintech copied is quietly failing. Here is how identity verification actually works, why injection attacks broke it, and what the layered replacement looks like.
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