TVL Trend Analysis & Liquidity Risk Assessment: Portal Target Protocol : Portal (TVL: $1670.0M) Portal – TVL Trend Analysis & Liquidity Risk Assessment Date: 12 Oct 2026 Prepared by:  [Your Name], Senior DeFi Security Researcher & Smart‑Contract Auditor 1. Executive Summary Portal is a cross‑chain liquidity hub that aggregates $1.67 B of Total Value Locked (TVL) across Ethereum Mainnet and several Layer‑2 (L2) roll‑ups (Optimism, Arb...