username: martincasais.eth fid: 2850895 display name: Martín Casais PFP: https://imagedelivery.net/BXluQx4ige9GuW0Ia56BHw/7d5226b0-8b92-4cf0-7cc6-6bd208941200/original bio: Smart contract engineer. EVM & Solana. Stablecoin & payment infrastructure. Breaking DeFi in audit contests.