diff --git a/pi-nexus-blockchain/src/cli.rs b/pi-nexus-blockchain/src/cli.rs
new file mode 100644
index 000000000..61ea86bd7
--- /dev/null
+++ b/pi-nexus-blockchain/src/cli.rs
@@ -0,0 +1,40 @@
+// cli.rs (new)
+
+use crate::blockchain::Blockchain;
+use crate::transaction::Transaction;
+use clap::{App, Arg};
+
+fn main() {
+    let app = App::new("Blockchain CLI")
+        .version("1.0")
+        .author("Your Name")
+        .about("A command-line interface for the blockchain")
+        .arg(
+            Arg::with_name("command")
+                .required(true)
+                .index(1)
+                .help("The command to execute (e.g. 'create_transaction', 'add_block', 'get_chain')"),
+        );
+
+    let matches = app.get_matches();
+
+    let blockchain = Blockchain::new();
+
+    match matches.value_of("command").unwrap() {
+        "create_transaction" => {
+            // TO DO: implement create transaction logic
+            println!("Create transaction command");
+        }
+        "add_block" => {
+            // TO DO: implement add block logic
+            println!("Add block command");
+        }
+        "get_chain" => {
+            println!("Blockchain chain:");
+            for block in blockchain.chain {
+                println!("{:?}", block);
+            }
+        }
+        _ => println!("Invalid command"),
+    }
+}