Onchain & DeFi Quant
Quantitative DeFi from first principles - MEV and sandwich attacks, atomic arbitrage, liquidation cascades on lending protocols, and LP profitability on Uniswap v3.
MEV anatomy: sandwiches, frontrunning, and the dark forest of the mempool
Every swap you send to a public RPC is a visible limit order nobody has to honor. A technical breakdown of how MEV extraction works: mempool ordering, sandwich math on Uniswap v2, PGAs, Flashbots, and trader defenses.
The MEV supply chain: PBS, MEV-Boost, and who actually captures the value
MEV stopped being a lone bot and became an assembly line: searcher, builder, relay, proposer. A technical walk through proposer-builder separation, MEV-Boost's sealed-bid block auction, why the searcher's margin gets bid away, order-flow auctions as the new moat, and how Solana's Jito model differs.
On-chain arbitrage: atomic cycles, flash loans, and the auction you have to win
Finding an on-chain arbitrage cycle is the easy half. The hard half is winning the sealed-bid priority auction against every other searcher who found the same cycle. A technical breakdown of atomicity, flash loans, backrunning, and where arb profit actually survives - including non-atomic CEX-DEX.
Liquidations on-chain: Aave and Compound mechanics, and the bot business around them
How Aave v3 and Compound liquidations actually work: health factor math, close factors, liquidation bonuses, Chainlink oracle triggers, and what it takes to run a flash-loan liquidation bot in 2026.
Liquidation cascades as a trading signal: reading forced, pre-announced flow
Every leveraged position advertises the price at which it must be sold. How to build the on-chain liquidation depth chart and the CEX liquidation heatmap, model cascade dynamics as a reproduction number, and trade forced flow as a signal instead of only fearing it as a risk.
Impermanent Loss and LVR: the real math of LP profitability
Impermanent loss, concentrated-liquidity leverage, and loss-versus-rebalancing derived from first principles. The closed forms, the σ²/8 result, per-block markout, and the exact fee-versus-volatility condition under which an LP actually beats holding.
Uniswap v3 for Quants: Concentrated Liquidity and Tick Math from First Principles
How Uniswap v3 really works under the hood: virtual reserves, liquidity L, sqrtPriceX96, tick math, feeGrowthInside, and why an LP position is a short-volatility payoff. With exact formulas and a worked numeric example.
Active Uniswap v3 LPing as Market Making: Range Selection, Rebalancing, and Delta Hedging
An active v3 LP is running a market-making book with gas costs and no cancel button. Size ranges from a GARCH vol forecast, frame rebalancing as fee-gain vs realized-cost, derive the position delta from tick math and hedge it with perps, and understand JIT liquidity and the honest pitfalls of backtesting LP from on-chain data.
Analysis of Trader Behavior Prediction Capabilities in DEX Based on Identification and Modeling
How DEX transparency and modern identification methods allow predicting trader behavior, detecting manipulations, and building a desire orderbook.
