diff --git a/index.html b/index.html
index a5c5fa4..79e74f1 100644
--- a/index.html
+++ b/index.html
@@ -90,6 +90,7 @@
 			<div id="content" class="container">
 
 				<noscript class="alert alert-danger center-block"><span class="glyphicon glyphicon-exclamation-sign"></span> This page uses javascript, please enable it to continue!</noscript>
+				<div id="cryptoRandomStatus" class="alert alert-danger center-block hidden"><span class="glyphicon glyphicon-exclamation-sign"></span> This browser does not have a secure random number generator! Please use at your own risk!</div>
 
 				<div class="tab-content">
 					<div class="tab-pane tab-content active" id="home">
diff --git a/js/coin.js b/js/coin.js
index a909a90..1bf16e4 100644
--- a/js/coin.js
+++ b/js/coin.js
@@ -45,7 +45,15 @@
 	/* generate crypto secure random numbers (should exist on most browsers) */
 	coinjs.randomBytesSafe = function(count){
 		var cry = window.crypto || window.msCrypto;
-		if (!cry) return '';
+		if (!cry) {
+			/* Display warning message for 30 seconds */
+			$("#cryptoRandomStatus").removeClass("hidden");
+			setTimeout(function(){
+				$("#cryptoRandomStatus").addClass("hidden");
+			}, 30000);
+
+			return '';
+		}
 		var buf = new Uint8Array(count);
 		cry.getRandomValues(buf);
 		return Crypto.util.bytesToHex(buf);