# eth\_protocolVersion

Returns the current ethereum protocol version.

**Parameters**[**​**](https://docs.constellationnetwork.io/stargazer/APIReference/ethereumRPCAPI/eth_protocolVersion#parameters)

None

**Return Type**[**​**](https://docs.constellationnetwork.io/stargazer/APIReference/ethereumRPCAPI/eth_protocolVersion#return-type)

`HexString` - The current ethereum protocol version.

**Example**[**​**](https://docs.constellationnetwork.io/stargazer/APIReference/ethereumRPCAPI/eth_protocolVersion#example)

```typescript
await provider.request({
  method: "eth_protocolVersion",
  params: [],
});
// "0x3f"
```