diff --git a/tests/ecc_test.cpp b/tests/ecc_test.cpp
new file mode 100644
index 0000000..982e94b
--- /dev/null
+++ b/tests/ecc_test.cpp
@@ -0,0 +1,23 @@
+#include <fc/crypto/elliptic.hpp>
+#include <bts/address.hpp>
+#include <iostream>
+
+int main( int argc, char** argv )
+{
+   std::string  pass(argv[1]);
+   fc::sha256   h = fc::sha256::hash( pass.c_str(), pass.size() );
+   fc::ecc::private_key priv = fc::ecc::private_key::generate_from_seed(h);
+   fc::ecc::public_key  pub  = priv.get_public_key();
+   std::cerr<<"oroginal master pubkey1: "<<std::string(bts::address(pub))<<"\n";
+
+   pass += "1";
+   fc::sha256   h2            = fc::sha256::hash( pass.c_str(), pass.size() );
+   fc::ecc::public_key  pub1  = pub.mult( h2 );
+   fc::ecc::private_key priv1 = fc::ecc::private_key::generate_from_seed(h, h2);
+
+   std::cerr<<"master pubkey: "<<std::string(bts::address(pub))<<"\n";
+   std::cerr<<"derived pubkey1: "<<std::string(bts::address(pub1))<<"\n";
+   std::cerr<<"actual pubkey1: "<<std::string(bts::address(priv1.get_public_key()))<<"\n";
+
+  return 0;
+}