> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# EVMChain

> Kotlin Sealed Interface

**Sealed Interface**

```kotlin theme={null}
sealed interface EVMChain : Chain
```

## Properties

### chainType

```kotlin theme={null}
open override val chainType: ChainType
```

### isTestnet

```kotlin theme={null}
abstract val isTestnet: Boolean
```

### name

```kotlin theme={null}
abstract val name: String
```

## Functions

### isValid

```kotlin theme={null}
open fun isValid(isProductionEnvironment: Boolean): Boolean
```