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What 506K real transactions taught me about how Latin Americans actually save

What 506K real transactions taught me about how Latin Americans actually save

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3 min read
The cashback numbers on 136 crypto cards, and why most of the headline rates are theater

The cashback numbers on 136 crypto cards, and why most of the headline rates are theater

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2 min read
How I built a PDF bank statement analyzer in 8 languages (and what I learned)

How I built a PDF bank statement analyzer in 8 languages (and what I learned)

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2 min read
I once watched a fintech app lose money to 0.1 plus 0.2, here is how NestJS stops that nightmare

I once watched a fintech app lose money to 0.1 plus 0.2, here is how NestJS stops that nightmare

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4 min read
How a Weekend Python Script Saved a CA Firm 209 Hours During ITR Season

How a Weekend Python Script Saved a CA Firm 209 Hours During ITR Season

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5 min read
KYC vs Document Forensics: Why KYC Platforms Miss PDF Fraud

KYC vs Document Forensics: Why KYC Platforms Miss PDF Fraud

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8 min read
Screening Polymarket Markets: Liquidity and Resolution Risk

Screening Polymarket Markets: Liquidity and Resolution Risk

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3 min read
MyZubster: The Open-Source Platform That Could Change the Financial Era

MyZubster: The Open-Source Platform That Could Change the Financial Era

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3 min read
How to Set Spend Limits for Autonomous AI Agents

How to Set Spend Limits for Autonomous AI Agents

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4 min read
Building a cleaner symbol catalog for market data APIs

Building a cleaner symbol catalog for market data APIs

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2 min read
SEBI's New Algo Trading Rules for Retail Traders: What Changed in April 2026

SEBI's New Algo Trading Rules for Retail Traders: What Changed in April 2026

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7 min read
Fixing WebSocket Silent Disconnects for Financial Market Data

Fixing WebSocket Silent Disconnects for Financial Market Data

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5 min read
Building AI-Driven Wealth Software: Aggregation, RAG, and Custodial Integration

Building AI-Driven Wealth Software: Aggregation, RAG, and Custodial Integration

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5 min read
Penny Stock Due Diligence From Your Terminal: A Free CLI

Penny Stock Due Diligence From Your Terminal: A Free CLI

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7 min read
I reviewed a NestJS fintech backend where the numbers never quite matched, this is the fix

Event sourcing and hidden race conditions

I reviewed a NestJS fintech backend where the numbers never quite matched, this is the fix

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5 min read
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