// Nibiru's implementation - Missing optimization
func (anteDec AnteDecVerifyEthAcc) AnteHandle(
    ctx sdk.Context,
    tx sdk.Tx,
    simulate bool,
    next sdk.AnteHandler,
) (newCtx sdk.Context, err error) {
    // Processes ALL transactions without checking phase
    for i, msg := range tx.GetMsgs() {
        // ... validation logic ...
    }
    return next(ctx, tx, simulate)
}
// Ethermint's implementation
func (avd EthAccountVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
    // Skip expensive validation during block execution
    if !ctx.IsCheckTx() {
        return next(ctx, tx, simulate)
    }

    // Only process during CheckTx phase
    for _, msg := range tx.GetMsgs() {
        // ... validation logic ...
    }
    return next(ctx, tx, simulate)
}
func (anteDec AnteDecVerifyEthAcc) AnteHandle(
    ctx sdk.Context,
    tx sdk.Tx,
    simulate bool,
    next sdk.AnteHandler,
) (newCtx sdk.Context, err error) {
    // Skip expensive validation if not in CheckTx phase
    if !ctx.IsCheckTx() {
        return next(ctx, tx, simulate)
    }

    // Only process during CheckTx
    for i, msg := range tx.GetMsgs() {
        // ... existing validation logic ...
    }
    return next(ctx, tx, simulate)
}
