When Your Swap Fails or Gets Front-Run: How Transaction Simulation, MEV Protection, and dApp Integration Change the Game
You’re about to send a multi-step DeFi transaction: swap ETH for USDC, then supply liquidity, then stake the LP token. You check gas, hit submit, and — two blocks later — the frontend shows a partial fill, higher slippage, or worse, the transaction reverted and you lost the gas. This simple scenario captures three hard […]

