Tag: defi

All the articles with the tag "defi".

• Uniswap V4 Hooks — What the Next DEX Paradigm Looks Like

  Posted on:February 9, 2026 |  at 10:00 AM

  Uniswap V4 introduces hooks — arbitrary code that runs before/after swaps, LP actions, and pool initialization. This transforms Uniswap from a fixed-function AMM into a programmable financial primitive. A technical deep dive into the architecture and what it enables.

• Impermanent Loss — The Hidden Cost of DeFi Liquidity Provision

  Posted on:August 11, 2025 |  at 10:00 AM

  A complete mathematical treatment of impermanent loss in AMMs: the derivation, the formula, the exact scenarios where it's catastrophic vs acceptable, and how V3 concentrated liquidity amplifies it. Includes an interactive P&L calculator.

• Ethereum Account Model vs UTXO — Why It Matters for DeFi Developers

  Posted on:May 12, 2025 |  at 10:00 AM

  Bitcoin uses UTXO (Unspent Transaction Outputs), Ethereum uses an account model. This isn't just an implementation detail — it shapes what's possible in smart contracts, how transactions compose, and why certain DeFi patterns work on Ethereum but not on UTXO chains.

• Building a Real-Time DEX Price Monitor with Node.js and WebSockets

  Posted on:March 17, 2025 |  at 10:00 AM

  Step-by-step guide to building a real-time DEX price monitor that listens to Uniswap V2/V3 swap events via WebSocket, decodes transaction logs, and broadcasts live price updates to connected clients. Complete TypeScript implementation with reconnection logic.

• 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.

• 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.

• 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.

• UniswapV3 — Concentrated Liquidity, Ticks, and Why It's Genius

  Posted on:June 17, 2024 |  at 10:00 AM

  UniswapV3 introduced concentrated liquidity — LPs can now provide liquidity within a specific price range instead of across 0 to infinity. This post explains the tick system, range math, and why V3 can be up to 4000x more capital efficient than V2.

• ERC-20 Standard — Building and Auditing a Token from Scratch

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

  A line-by-line walkthrough of the ERC-20 standard — implementing a compliant token from scratch in Solidity, understanding every state variable and event, and learning the security vulnerabilities that have cost millions in real exploits.

• UniswapV2 Interactive Simulator — Explore AMM Mechanics In Your Browser

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

  Three interactive apps exploring UniswapV2 mechanics: a trade simulator showing price impact and fee math in real time, the constant product x·y=k curve visualizer, and a deep dive into the actual Solidity storage variables changing with each swap.

• UniswapV2 — The Math Behind Automated Market Makers

  Posted on:January 18, 2024 |  at 10:00 AM

  A deep dive into the constant product formula x·y=k that powers UniswapV2. We derive price impact, slippage, and LP fee math from first principles — with a trade simulator you can run in your head.