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Alice

head of product @ultramarketsxyz | prev @mitosisorg

Weekly Margin Log #2

Weekly Margin Log #2

Ultramarkets Weekly Margin Log #2 — TWAP price guard after a live vault attack, CTF and NegRisk integration for market resolution, improved deposit process via polymarket tipping, anti-sybil enforcement, and experimental market gating. Product updates for March 7–13, 2026.

How a Price Manipulation Attack Hit Our Vault — and What We Built to Stop It

How a Price Manipulation Attack Hit Our Vault — and What We Built to Stop It

An attacker exploited a Polymarket CLOB vulnerability to create fake price spikes and drain vault capital. Here's the full breakdown and the TWAP guard we shipped in hours.

Weekly Margin Log #1

Weekly Margin Log #1

Unsafe trade protection, market close notifications, nonce management, points system upgrades, and vault emergency repay. Week one of building the margin layer for prediction markets.