diff --git a/lib/anthropic.js b/lib/anthropic.js
index 5efad2f..809b399 100644
--- a/lib/anthropic.js
+++ b/lib/anthropic.js
@@ -3,7 +3,7 @@
 // https://github.com/gnh1201/welsonjs
 // 
 // ***SECURITY NOTICE***
-// Anthropic/Claude requires an internet connection. Data may be transmitted externally. Users must also comply with the terms of use and the privacy policy.
+// Anthropic/Claude requires an internet connection, and data may be transmitted externally. Users must adhere to the terms of use and privacy policy.
 // - Privacy Policy: https://www.anthropic.com/legal/privacy
 //
 var FILE = require("lib/file");
diff --git a/lib/chatgpt.js b/lib/chatgpt.js
index 7a0e8fa..7d624bd 100644
--- a/lib/chatgpt.js
+++ b/lib/chatgpt.js
@@ -3,7 +3,7 @@
 // https://github.com/gnh1201/welsonjs
 //
 // ***SECURITY NOTICE***
-// ChatGPT requires an internet connection. Data may be transmitted externally. Users must also comply with the terms of use and the privacy policy.
+// ChatGPT requires an internet connection, and data may be transmitted externally. Users must adhere to the terms of use and privacy policy.
 // - Privacy Policy: https://openai.com/policies/row-privacy-policy/
 //
 var FILE = require("lib/file");
diff --git a/lib/groq.js b/lib/groq.js
index fc1c7d9..ca99729 100644
--- a/lib/groq.js
+++ b/lib/groq.js
@@ -3,7 +3,7 @@
 // https://github.com/gnh1201/welsonjs
 //
 // ***SECURITY NOTICE***
-// Groq requires an internet connection. Data may be transmitted externally. Users must also comply with the terms of use and the privacy policy.
+// Groq requires an internet connection, and data may be transmitted externally. Users must adhere to the terms of use and privacy policy.
 // - Privacy Policy: https://groq.com/privacy-policy/
 //
 var FILE = require("lib/file");
diff --git a/lib/punycode.js b/lib/punycode.js
index 1274911..737cd37 100644
--- a/lib/punycode.js
+++ b/lib/punycode.js
@@ -3,7 +3,7 @@
 // https://github.com/gnh1201/welsonjs
 //
 // ***SECURITY NOTICE***
-// The Punycode (IDN) library requires an internet connection. Data may be transmitted externally. Users must also comply with the terms of use.
+// The Punycode (IDN) library requires an active internet connection. Data may be transmitted externally, and users must adhere to the terms of use.
 // - Privacy Policy: https://policy.catswords.social/site_terms.html
 // - Terms of Service: https://policy.catswords.social/site_extended_description.html
 // 
diff --git a/lib/totp.js b/lib/totp.js
new file mode 100644
index 0000000..84ede51
--- /dev/null
+++ b/lib/totp.js
@@ -0,0 +1,44 @@
+// totp.js
+// TOTP library for WelsonJS framework
+// Namhyeon Go <abuse@catswords.net>
+// https://github.com/gnh1201/welsonjs
+// 
+// ***SECURITY NOTICE***
+// The TOTP library requires an internet connection, and data may be transmitted externally. Users must adhere to the terms of use and privacy policy.
+// - Privacy Policy: https://policy.catswords.social/site_terms.html
+// - Terms of Service: https://policy.catswords.social/site_extended_description.html
+// 
+var JsonRpc2 = require("lib/jsonrpc2");
+
+function getPubKey() {
+	var rpc = JsonRpc2.create("https://public-api.catswords.net");
+	var result = rpc.invoke("relay_invoke_method", {
+		"method": "load_script",
+		"requires": [
+			"https://raw.githubusercontent.com/dimamedia/PHP-Simple-TOTP-and-PubKey/refs/heads/master/class.tfa.php"
+		],
+		"args": [
+			"$tfa = new tfa(); return $tfa->getPubKey()"
+		]
+	}, "");
+	
+	return result.data;
+}
+
+function getOtp() {
+	var rpc = JsonRpc2.create("https://public-api.catswords.net");
+	var result = rpc.invoke("relay_invoke_method", {
+		"method": "load_script",
+		"requires": [
+			"https://raw.githubusercontent.com/dimamedia/PHP-Simple-TOTP-and-PubKey/refs/heads/master/class.tfa.php"
+		],
+		"args": [
+			"$tfa = new tfa(); return $tfa->getOtp()"
+		]
+	}, "");
+
+	return result.data;
+}
+
+exports.getPubKey = getPubKey;
+exports.getOtp = getOtp;