diff --git a/sz-poc-offsite-2025/evm/lightnode/src/lib.rs b/sz-poc-offsite-2025/evm/lightnode/src/lib.rs
index d14c182..95f26e3 100644
--- a/sz-poc-offsite-2025/evm/lightnode/src/lib.rs
+++ b/sz-poc-offsite-2025/evm/lightnode/src/lib.rs
@@ -6,6 +6,7 @@ pub const CRYPTARCHIA_INFO: &str = "cryptarchia/info";
 pub const STORAGE_BLOCK: &str = "storage/block";
 
 pub mod nomos;
+pub mod proofcheck;
 
 #[derive(Clone, Debug)]
 pub struct Credentials {
diff --git a/sz-poc-offsite-2025/evm/lightnode/src/main.rs b/sz-poc-offsite-2025/evm/lightnode/src/main.rs
index 8c92468..a37dbda 100644
--- a/sz-poc-offsite-2025/evm/lightnode/src/main.rs
+++ b/sz-poc-offsite-2025/evm/lightnode/src/main.rs
@@ -1,18 +1,33 @@
 use clap::Parser;
-use evm_lightnode::{Credentials, NomosClient, nomos::HeaderId};
+use evm_lightnode::{Credentials, NomosClient, nomos::HeaderId, proofcheck};
 use tracing::info;
 use url::Url;
-
+use std::path::PathBuf;
 use std::error;
 use tracing_subscriber::{EnvFilter, fmt};
 
 const TESTNET_EXECUTOR: &str = "https://testnet.nomos.tech/node/3/";
 
 #[derive(Parser, Debug)]
-#[clap(author, version, about = "Ethereum Proof Generation Tool")]
+#[clap(author, version, about = "Light Node validator")]
 struct Args {
     #[clap(long, default_value = "info")]
     log_level: String,
+
+    #[clap(long, default_value = "http://localhost:8546")]
+    rpc: Url,
+
+    #[clap(long, default_value = "http://localhost:8070")]
+    prover_url: Url,
+
+    #[clap(long)]
+    start_block: u64,
+
+    #[clap(long, default_value = "10")]
+    batch_size: u64,
+
+    #[clap(long)]
+    zeth_binary_dir: Option<PathBuf>,
 }
 
 #[tokio::main]
@@ -27,6 +42,14 @@ async fn main() -> Result<(), Box<dyn error::Error>> {
         password: Some(password),
     };
 
+    proofcheck::verify_proof(
+        args.start_block,
+        args.batch_size,
+        &args.rpc,
+        &args.prover_url,
+        &args.zeth_binary_dir.unwrap_or_else(|| std::env::current_dir().unwrap()).join("zeth-ethereum"),
+    ).await?;
+
     let filter =
         EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new(&args.log_level));
 
@@ -48,4 +71,6 @@ async fn main() -> Result<(), Box<dyn error::Error>> {
 
         tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
     }
+
+   
 }
diff --git a/sz-poc-offsite-2025/evm/lightnode/src/proofcheck.rs b/sz-poc-offsite-2025/evm/lightnode/src/proofcheck.rs
new file mode 100644
index 0000000..888e8d1
--- /dev/null
+++ b/sz-poc-offsite-2025/evm/lightnode/src/proofcheck.rs
@@ -0,0 +1,54 @@
+use tokio::process::Command;
+use std::path::Path;
+use reqwest::Url;
+use tracing::{error, info};
+
+pub async fn verify_proof(
+    block_number: u64,
+    block_count: u64,
+    rpc: &Url,
+    prover_url: &Url,
+    zeth_bin: &Path,
+) -> Result<(), String> {
+    info!(
+        "Verifying proof for blocks {}-{}",
+        block_number,
+        block_number + block_count - 1
+    );
+
+    let proof = reqwest::get(format!(
+        "{}/?block_start={}&block_count={}",
+        prover_url, block_number, block_count
+    )).await
+        .map_err(|e| format!("Failed to fetch proof: {}", e))?
+        .bytes()
+        .await
+        .map_err(|e| format!("Failed to read proof response: {}", e))?;
+    let filename = format!("{}-{}.zkp", block_number, block_count + block_number);
+    tokio::fs::write(&filename, &proof)
+        .await
+        .map_err(|e| format!("Failed to write proof to file: {}", e))?;
+  
+
+    let output = Command::new(zeth_bin)
+        .args([
+            "verify",
+            &format!("--rpc={}", rpc),
+            &format!("--block-number={}", block_number),
+            &format!("--block-count={}", block_count),
+            &format!("--file={}", filename),
+        ])
+        .output().await
+        .map_err(|e| format!("Failed to execute zeth-ethereum verify: {}", e))?;
+
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        error!("zeth-ethereum verify command failed: {}", stderr);
+        return Err(format!(
+            "zeth-ethereum verify command failed with status: {}\nStderr: {}",
+            output.status, stderr
+        ));
+    }
+
+    Ok(())
+}