-        std::thread t(runCommand, strCmd);
-        t.detach(); // thread runs free
+        namespace bp = boost::process;
+        bp::environment env = boost::this_process::environment();
+        env["BITCOIN_HASHTX"] = wtxIn.GetHash().GetHex();
+        env["BITCOIN_WALLET"] = GetName();
+        std::error_code ec;
+        bp::spawn(strCmd, env);