diff --git a/bit-address-rs/Cargo.lock b/bit-address-rs/Cargo.lock
new file mode 100644
index 0000000..b008285
--- /dev/null
+++ b/bit-address-rs/Cargo.lock
@@ -0,0 +1,218 @@
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+# It is not intended for manual editing.
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diff --git a/bit-address-rs/Cargo.toml b/bit-address-rs/Cargo.toml
new file mode 100644
index 0000000..38da592
--- /dev/null
+++ b/bit-address-rs/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "bit-address-rs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bs58 = "0.4.0"
+digest = "0.10.6"
+hex = "0.4.3"
+num_cpus = "1.15.0"
+rand = "0.8.5"
+ripemd = "0.1.3"
+secp256k1 = { version = "0.26.0", features = ["rand"] }
+sha2 = "0.10.6"
diff --git a/bit-address-rs/src/main.rs b/bit-address-rs/src/main.rs
new file mode 100644
index 0000000..d65f95f
--- /dev/null
+++ b/bit-address-rs/src/main.rs
@@ -0,0 +1,117 @@
+#!/usr/bin/env runrs
+
+//! ```cargo
+//! [dependencies]
+//! bs58 = "0.4.0"
+//! digest = "0.10.6"
+//! hex = "0.4.3"
+//! num_cpus = "1.15.0"
+//! rand = "0.8.5"
+//! ripemd = "0.1.3"
+//! secp256k1 = { version = "0.26.0", features = ["rand"] }
+//! sha2 = "0.10.6"
+//! ```
+
+use std::{sync::{Arc, Mutex}, thread};
+
+use digest::{Digest};
+use rand::rngs::OsRng;
+use ripemd::Ripemd160;
+use secp256k1::{PublicKey, Secp256k1};
+use sha2::Sha256;
+
+fn main() {
+    let args = std::env::args();
+    if args.len() <= 1 {
+        println!("[ERROR] Need at least one argument, e.g. 1Hatter 1UTF8 ...");
+        return;
+    }
+    let continue_on_found = std::env::var("CONTINUE_ON_FOUND")
+        .map(|c| c.to_lowercase())
+        .map(|c| c == "1" || c == "true" || c == "yes" || c == "on")
+        .unwrap_or_else(|_| false);
+    let prefixes: Vec<String> = args.skip(1).collect();
+    println!("Prefixes: {:?}", prefixes);
+    if continue_on_found {
+        println!("CONTINUE_ON_FOUND is ON");
+    } else {
+        println!("CONTINUE_ON_FOUND is OFF");
+    }
+    let loop_count = std::env::var("LOOP_COUNT")
+        .map(|c| c.parse::<u64>())
+        .unwrap_or_else(|_| Ok(10_000_000_u64))
+        .unwrap_or_else(|_| 10_000_000_u64);
+    println!("LOOP_COUNT={}", loop_count);
+    let num_of_vcpus = num_cpus::get();
+    let num_of_phycpus = num_cpus::get_physical();
+    println!("You have {} vCPUs, from {} phyCPUs", num_of_vcpus, num_of_phycpus);
+    let concurrent_count = std::env::var("CONCURRENT_COUNT")
+        .map(|c| c.parse::<u64>())
+        .unwrap_or_else(|_| Ok(num_of_phycpus as u64))
+        .unwrap_or_else(|_| 1_u64);
+    println!("CONCURRENT_COUNT={}", concurrent_count);
+    let stop_flag = Arc::new(Mutex::new(false));
+    let mut handles = vec![];
+    for ind in 0..concurrent_count {
+        println!("- Running task {} of {}", ind, concurrent_count);
+        let the_stop_flag = Arc::clone(&stop_flag);
+        let prefixes = prefixes.clone();
+        let child = thread::spawn(move || {
+            run_one_task(prefixes, continue_on_found, loop_count, ind, the_stop_flag);
+        });
+        handles.push(child);
+    }
+    while let Some(h) = handles.pop() {
+        h.join().unwrap();
+    }
+    println!("Finished!");
+}
+
+fn run_one_task(prefixes: Vec<String>, continue_on_found: bool, loop_count: u64, ind: u64, the_stop_flag: Arc<Mutex<bool>>) {
+    let secp = Secp256k1::new();
+    let mut rng = OsRng::default();
+    for i in 0..loop_count {
+        let (secret_key, public_key) = secp.generate_keypair(&mut rng);
+        let s = make_btc_address(&public_key);
+        if i % 1_000 == 0 {
+            if *the_stop_flag.lock().unwrap() {
+                return;
+            }
+            if i > 0 && i % 100_000 == 0 {
+                println!("> {} - {}", ind, i);
+            }
+        }
+        if prefixes.iter().any(|p| s.starts_with(p)) {
+            println!(">> {}\n{}", s, secret_key.display_secret());
+            if !continue_on_found {
+                *the_stop_flag.lock().unwrap() = true;
+                break;
+            }
+        }
+    }
+}
+
+fn make_btc_address(public_key: &PublicKey) -> String {
+    let public_key_bytes = public_key.serialize_uncompressed().to_vec();
+    let riphemd160_sha256_pub_key = calc_ripemd160(&calc_sha256(&public_key_bytes));
+    let mut btc_addr = Vec::<u8>::with_capacity(25);
+    btc_addr.push(0x00 as u8);
+    btc_addr.extend_from_slice(&riphemd160_sha256_pub_key);
+    let checksum = &calc_sha256(&calc_sha256(&btc_addr))[0..4];
+    btc_addr.extend_from_slice(checksum);
+    bs58::encode(&btc_addr).into_string()
+}
+
+#[inline]
+fn calc_sha256(i: &[u8]) -> Vec<u8> {
+    let mut hasher = Sha256::default();
+    hasher.update(i);
+    hasher.finalize().to_vec()
+}
+
+#[inline]
+fn calc_ripemd160(i: &[u8]) -> Vec<u8> {
+    let mut hasher = Ripemd160::default();
+    hasher.update(i);
+    hasher.finalize().to_vec()
+}
diff --git a/file-meta.txt b/file-meta.txt
index 3e67100..a7071c0 100644
--- a/file-meta.txt
+++ b/file-meta.txt
@@ -1,3 +1,4 @@
+bit-address-rs
 commit-msg-rs
 decrypt-rs
 makepassword-rs