Wrap native ETH (or MATIC, BNB, AVAX) to WETH (or WMATIC, WBNB, WAVAX). Deposits native tokens to receive equal amount of wrapped ERC20 token. Ideal for: Railgun shielding prep, DEX operations, protocol compatibility.

Unwrap WETH (or WMATIC, WBNB, WAVAX) back to native ETH (or MATIC, BNB, AVAX). Burns wrapped tokens to receive equal amount of native tokens. Ideal for: post-Railgun unshield, gas conversion, native token recovery.