Prop trading is a $10B+ industry in traditional finance. In crypto, it barely exists. Most firms change the rules the moment a trader starts winning. Deny payouts they can't afford. Hide their books. @ProprXYZ built the whole thing onchain w/ every position, every payout, every P&L is public and auditable in real time. We sat down with @louisregis, founder of Propr, to break down how it works: Timestamps: 0:00 Propr Overview 1:05 Why Now Is the Right Time for Onchain Prop 2:33 Liquidity as the Breakthrough Constraint 4:01 The Black Box Problem in Prop Firms 5:40 Onchain Transparency and Verifiability 7:34 Why Propr Chose Hyperliquid 10:12 Lighter vs. Hyperliquid — Two Cohorts 14:22 Polymarket Integration and Prediction Markets 18:10 AI Agents Trading With Funded Capital 22:44 Who Are the AI Agent Traders 25:58 Propr as the Funding Layer for Other Apps 27:32 Transparency Dashboard and Where to Start