Stablecoin activity on the Ethereum network has surged by 600%, with active addresses increasing from 85,000 in March 2025 to nearly 600,000 in March 2026. This growth indicates a structural expansion beyond temporary spikes, reflecting a shift towards stablecoins being used for payments, settlements, and cross-border transfers rather than just DeFi trading pairs. The increased usage underscores a growing dependency on stablecoin liquidity, centralizing capital movement across markets. USD Coin (USDC) has gained significant ground over Tether (USDT), with USDC's supply expanding by $4.5 billion year-to-date, while USDT's supply contracted by $2 billion. This shift highlights a market preference for USDC, driven by perceived stability and regulatory clarity. As stablecoin flows consolidate, liquidity is becoming more centralized, impacting how capital moves across the crypto ecosystem. Despite a cautious shift in liquidity away from exchanges, stablecoin reserves remain substantial, with total supply at $316.45 billion. This movement towards self-custody reduces immediate sell pressure, supporting market stability. However, the market's momentum remains reliant on the redeployment of sidelined liquidity.