diff --git a/Cargo.toml b/bridgedb/Cargo.toml
similarity index 92%
rename from Cargo.toml
rename to bridgedb/Cargo.toml
index 3a2602f..862fbc0 100644
--- a/Cargo.toml
+++ b/bridgedb/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "lox_test"
+name = "bridgedb"
 version = "0.1.0"
 edition = "2021"
 
diff --git a/bridgedb/src/main.rs b/bridgedb/src/main.rs
new file mode 100644
index 0000000..bf16366
--- /dev/null
+++ b/bridgedb/src/main.rs
@@ -0,0 +1,15 @@
+use lox::BridgeDb;
+use std::fs::File;
+use std::io::Write;
+
+fn main() {
+    // create new bridgedb (implicitly generates keys)
+    let bridgedb = BridgeDb::new();
+
+    // output public key to new file
+    let pubkey_bytes = bridgedb.pubkey.to_bytes();
+    let mut outfile =
+        File::create("../pubkeys/bridgedb_pubkey").expect("Failed to create pubkey file");
+    outfile.write_all(&pubkey_bytes)
+        .expect("Failed to write pubkey");
+}
diff --git a/src/main.rs b/src/main.rs
deleted file mode 100644
index e7a11a9..0000000
--- a/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}