diff --git a/phase2/Cargo.toml b/phase2/Cargo.toml
index a3c740a..3776e8e 100644
--- a/phase2/Cargo.toml
+++ b/phase2/Cargo.toml
@@ -24,7 +24,7 @@ num-traits = "0.2.8"
 itertools = "0.9.0"
 hex = "0.4.0"
 cfg-if = "0.1.10"
-reqwest = { version = "0.10", features = ["blocking"] }
+reqwest = { version = "0.10", features = ["blocking", "json"] }
 bellman_ce = { path = "../bellman", default-features = false } # active features depend on build type
 
 # needed for native only but don't break wasm if present
diff --git a/phase2/src/bin/curl.rs b/phase2/src/bin/tornado.rs
similarity index 68%
rename from phase2/src/bin/curl.rs
rename to phase2/src/bin/tornado.rs
index 6b615f1..b8caa5b 100644
--- a/phase2/src/bin/curl.rs
+++ b/phase2/src/bin/tornado.rs
@@ -6,6 +6,7 @@ extern crate itertools;
 extern crate blake2;
 extern crate rand;
 extern crate byteorder;
+extern crate serde_json;
 
 use std::io::Read;
 use std::io::Write;
@@ -15,13 +16,22 @@ use itertools::Itertools;
 use blake2::Digest;
 use reqwest::blocking::multipart;
 use std::time::Duration;
+use serde_json::{Map, Value};
 
 fn main() {
-    let disallow_points_at_infinity = false;
-    let entropy = "qweqwe";
+    //let url = "https://ceremony.tornado.cash";
+    let url = "http://localhost:3000/api";
+    println!("Welcome to Tornado Cash Trusted Setup ceremony");
+
+    // Ask the user to provide some information for additional entropy
+    let mut entropy = String::new();
+    println!("Type some random text and press [ENTER] to provide additional entropy...");
+    std::io::stdin()
+        .read_line(&mut entropy)
+        .expect("expected to read some random text from the user");
 
     println!("Downloading challenge...");
-    let mut resp = reqwest::blocking::get("https://trustedaf.poma.in/challenge").unwrap();
+    let mut resp = reqwest::blocking::get(&*format!("{}/challenge", url)).unwrap();
     if !resp.status().is_success() {
         println!("Cannot download challenge");
         std::process::exit(1);
@@ -61,20 +71,21 @@ fn main() {
 
         ChaChaRng::from_seed(&seed)
     };
+    let disallow_points_at_infinity = false;
     let mut params = MPCParameters::read(&*challenge, disallow_points_at_infinity, true).expect("unable to read params");
 
-    println!("Contributing...");
+    println!("Generating contribution...");
     let hash = params.contribute(&mut rng);
     println!("Contribution hash: 0x{:02x}", hash.iter().format(""));
 
-    println!("Sending parameters");
+    println!("Uploading response");
     let mut response: Vec<u8> = vec![];
     params.write(&mut response).expect("failed to write updated parameters");
     File::create("response").unwrap().write_all(&*response).unwrap();
 
     let part = multipart::Part::bytes(response).file_name("response").mime_str("application/octet-stream").unwrap();
     let client = reqwest::blocking::Client::new();
-    let resp = client.post("https://trustedaf.poma.in/response")
+    let resp = client.post(&*format!("{}/response", url))
         .multipart(multipart::Form::new().part("response", part))
         .timeout(Duration::from_secs(300))
         .send()
@@ -85,5 +96,9 @@ fn main() {
         std::process::exit(1);
     }
 
-    println!("Done");
+    let resp_json: Map<String, Value> = resp.json().unwrap();
+
+    println!("Your contribution is successfully uploaded! Your contribution index: {}", resp_json["contributionIndex"]);
+    println!("If you want to provide additional information to your contribution (your name etc.)");
+    println!("Please visit the page: {}/authorize-contribution?token={}", url, resp_json["token"].as_str().unwrap());
 }