diff --git a/Cargo.toml b/Cargo.toml
index 6db2a89..276b2f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,6 +38,7 @@ tower-cartesi = { path = "tower-cartesi" }
 [features]
 default = []
 lightwalletd = ["dep:cartezcash-lightwalletd", "dep:tonic", "dep:zebra-state"]
+preinitialize-halo2 = []
 
 [workspace]
 members = [ "cartezcash-lightwalletd", "tiny-cash", "tower-cartesi"]
diff --git a/src/main.rs b/src/main.rs
index d619d30..d48ea89 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,8 +12,6 @@ use tower_cartesi::{listen_http, Request as RollAppRequest, Response};
 
 use futures_util::future::FutureExt;
 
-use tiny_cash::parameters::Network;
-
 #[cfg(feature = "lightwalletd")]
 use cartezcash_lightwalletd::{
     proto::service::compact_tx_streamer_server::CompactTxStreamerServer,
@@ -25,11 +23,6 @@ type StateService = Buffer<
     BoxService<zebra_state::Request, zebra_state::Response, zebra_state::BoxError>,
     zebra_state::Request,
 >;
-#[cfg(feature = "lightwalletd")]
-type StateReadService = Buffer<
-    BoxService<zebra_state::ReadRequest, zebra_state::ReadResponse, zebra_state::BoxError>,
-    zebra_state::ReadRequest,
->;
 
 mod service;
 
@@ -43,8 +36,6 @@ async fn main() -> Result<(), anyhow::Error> {
 
     let server_addr = env::var("ROLLUP_HTTP_SERVER_URL")?;
 
-    let _network = Network::Mainnet;
-
     println!(
         "Withdraw address is: {}",
         UnifiedAddress::from_receivers(Some(tiny_cash::mt_doom_address()), None)
@@ -53,14 +44,17 @@ async fn main() -> Result<(), anyhow::Error> {
     );
 
     // TODO: Enable this when not debugging
-    // tracing::info!("Initializing Halo2 verifier key");
-    // tiny_cash::initialize_halo2();
-    // tracing::info!("Initializing Halo2 verifier key complete");
+    #[cfg(feature = "preinitialize-halo2")]
+    {
+        tracing::info!("Initializing Halo2 verifier key");
+        tiny_cash::initialize_halo2();
+        tracing::info!("Initializing Halo2 verifier key complete");
+    }
 
     #[cfg(feature = "lightwalletd")]
     let (state_service, state_read_service, _, _) = zebra_state::init(
         zebra_state::Config::ephemeral(),
-        network,
+        tiny_cash::parameters::Network::Mainnet,
         tiny_cash::block::Height::MAX,
         0,
     );
diff --git a/tiny-cash/src/test.rs b/tiny-cash/src/test.rs
index d399eed..9b1d839 100644
--- a/tiny-cash/src/test.rs
+++ b/tiny-cash/src/test.rs
@@ -63,10 +63,14 @@ async fn test_mint_txns_update_balance() {
 
     // write a bunch of blocks
     for _ in 0..100 {
-        exeucte_and_commit_block(Request::Mint {
-            amount: Amount::try_from(1).unwrap(),
-            to: recipient.create_script_from_address(),
-        }, &mut tinycash, &mut state_service)
+        exeucte_and_commit_block(
+            Request::Mint {
+                amount: Amount::try_from(1).unwrap(),
+                to: recipient.create_script_from_address(),
+            },
+            &mut tinycash,
+            &mut state_service,
+        )
         .await
         .unwrap();
     }