Sammed
@0xSam_21

DeFi researcher + full-stack Web3 engineer. sammed.xyz Building in public. Learn fast, fail faster 🔁

 blr
github.com/sammed-21
Joined February 2022
336 Photos and videos
USDe LPs lose to oracle lag. I measured 6 stable pools: fiat pairs sit at 1–3 bps;USDe/USDT averaged 8 bps, with LPs keeping ~half the spread. I built a v4 hook to tax the drain but push feeds don't print in that band. Measurement, not a launch
Article

Stablecoin LVR Is Real on USDe. A Per-Swap Hook Cannot See It on a Push Feed.

Thesis I measured a meaningful oracle-lag signal in the USDe/USDT pool across 118,000 real swaps. A simulated fee hook reduced the signal in backtesting. But the Chainlink USDe/USD feed updates at a

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Article

The Fee That Only Works When You Need It Most

Can dynamic depeg-aware fees meaningfully improve LP outcomes and under what conditions? 1. The Hook Stablecoins are supposed to be boring. USDC and USDT sit within a few basis points of a dollar
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Article

Two Ways to Fight LVR, and Why I Picked the Weaker One On Purpose

I've spent the last several months building Oscillon, a Uniswap v4 hook designed to protect stablecoin LPs from Loss Versus Rebalancing (LVR)-the silent extraction that happens every time an
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Article

The Window You Can't Close: A Mechanism Design Flaw I Found in My Own Hook

I found a flaw in my own Uniswap v4 hook this week. Not from an auditor. Not from a user report. From asking myself one uncomfortable question about my own oracle design Let's get straight to it.
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Article

Liquidity That Knows What Time It Is

Intro Today introducing Oscillon, a protocol pioneering a new standard for how stablecoin pools respond to the world they operate in Liquidity provision has evolved over time from passive market
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