Posts

All the articles I've posted.

• DeFi Flash Loans — How They Work and a Simulated P&L Calculator

  Posted on:November 11, 2024 |  at 10:00 AM

  Flash loans let you borrow any amount with zero collateral — as long as you repay in the same transaction. This post explains the mechanics, real arbitrage scenarios with P&L math, and how flash loan attacks have drained hundreds of millions from DeFi protocols.

• Polars vs Pandas — A Benchmark That Changed How I Process Data

  Posted on:October 14, 2024 |  at 10:00 AM

  Comprehensive benchmarks comparing Polars and pandas across groupby, join, filter, and window operations on datasets from 1M to 100M rows. Polars wins by 5-20x in most scenarios — here's what that means for your data pipelines.

• Node.js Streams and Backpressure — Why Your File Uploads Are Slow

  Posted on:September 9, 2024 |  at 10:00 AM

  How Node.js streams work under the hood, what backpressure is and why it matters, and the specific patterns that cause slow uploads, memory bloat, and dropped data. Includes a comparison of buffered vs streaming throughput.

• MEV — The Dark Forest of Ethereum and How Arbitrage Bots Actually Work

  Posted on:August 13, 2024 |  at 10:00 AM

  MEV (Maximal Extractable Value) is the profit miners and validators can extract by reordering, inserting, or censoring transactions. This post explains sandwich attacks, arbitrage bots, and the infrastructure behind the multi-billion dollar MEV ecosystem.

• Data Science Fundamentals — Why Choosing the Right Average Matters More Than You Think

  Posted on:July 23, 2024 |  at 10:00 AM

  A companion to my technical article on measures of central tendency: arithmetic, geometric, and harmonic means, median, mode, and when each one is correct. Understanding which average to use — and which one to distrust — is the foundation of honest data analysis.

• UniswapV3 Interactive Explorer — Concentrated Liquidity, Ticks, and Capital Efficiency

  Posted on:June 25, 2024 |  at 10:00 AM

  Interactive explorer for UniswapV3 concentrated liquidity: configure your price range, see capital efficiency vs V2, tick numbers, token composition, and impermanent loss exposure — all live in the browser.