diff --git a/bin/keth/src/cli/mod.rs b/bin/keth/src/cli/mod.rs
index b1d66962..376653fa 100644
--- a/bin/keth/src/cli/mod.rs
+++ b/bin/keth/src/cli/mod.rs
@@ -1,4 +1,9 @@
+use alloy_genesis::Genesis;
 use clap::Parser;
+use reth_chainspec::{Chain, ChainSpec};
+use reth_node_core::args::DevArgs;
+use reth_primitives::Address;
+use std::{str::FromStr, time::Duration};
 use tracing_subscriber::EnvFilter;
 
 #[derive(Debug, Parser)]
@@ -24,6 +29,32 @@ impl LogArgs {
 
 #[derive(Debug, Parser)]
 pub struct ChainArgs {
-    #[clap(short, long, default_value = "1")]
+    #[clap(short, long, default_value = "1802203764")]
     pub id: u64,
+    #[clap(short, long, default_value = "12")]
+    pub block_time: u64,
+}
+
+impl From<&ChainArgs> for ChainSpec {
+    fn from(args: &ChainArgs) -> Self {
+        let chain_id = args.id;
+        ChainSpec::builder()
+            .cancun_activated()
+            .chain(Chain::from_id(chain_id))
+            .genesis(Genesis::clique_genesis(
+                chain_id,
+                Address::from_str("0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266").unwrap(),
+            ))
+            .build()
+    }
+}
+
+impl From<&ChainArgs> for DevArgs {
+    fn from(args: &ChainArgs) -> Self {
+        DevArgs {
+            dev: true,
+            block_time: Some(Duration::from_secs(args.block_time)),
+            ..Default::default()
+        }
+    }
 }
diff --git a/bin/keth/src/main.rs b/bin/keth/src/main.rs
index 005e7b3d..1befc6c2 100644
--- a/bin/keth/src/main.rs
+++ b/bin/keth/src/main.rs
@@ -1,31 +1,26 @@
-use alloy_genesis::Genesis;
 use clap::Parser;
 use kakarot_node::node::KakarotNode;
 use keth::cli::Cli;
-use reth_chainspec::{Chain, ChainSpec};
+use reth_chainspec::ChainSpec;
 use reth_cli_runner::CliRunner;
 use reth_db::init_db;
 use reth_node_builder::{NodeBuilder, NodeConfig};
 use reth_node_core::args::RpcServerArgs;
-use reth_primitives::Address;
-use std::{str::FromStr, sync::Arc};
+use std::sync::Arc;
 
 fn main() {
     let args = Cli::parse();
     args.log.init_tracing();
 
-    let chain_id = args.chain.id;
-    let chain = ChainSpec::builder()
-        .cancun_activated()
-        .chain(Chain::from_id(chain_id))
-        .genesis(Genesis::clique_genesis(
-            chain_id,
-            Address::from_str("0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266").unwrap(),
-        ))
-        .build();
-
-    let config =
-        NodeConfig::default().with_chain(chain).with_rpc(RpcServerArgs::default().with_http());
+    let chain_args = args.chain;
+
+    let chain_spec: ChainSpec = (&chain_args).into();
+    let dev_args = (&chain_args).into();
+
+    let config = NodeConfig::default()
+        .with_chain(chain_spec)
+        .with_rpc(RpcServerArgs::default().with_http())
+        .with_dev(dev_args);
 
     let data_dir = config.datadir();
     let db_path = data_dir.db();