diff --git a/README.md b/README.md
index 3d30a3c..c9ead6f 100644
--- a/README.md
+++ b/README.md
@@ -143,9 +143,8 @@ Recommended low difficulty share pools:
 | Pool URL          | Port  | Web URL                    | Status                                                             |
 | ----------------- | ----- | -------------------------- | ------------------------------------------------------------------ |
 | public-pool.io    | 21496 | https://web.public-pool.io | Open Source Solo Bitcoin Mining Pool supporting open source miners |
-| nerdminers.org    |       | https://nerdminers.org     | Team domain for future pool - Currently pointing to public-pool.io |
+| pool.nerdminers.org    | 3333  | https://nerdminers.org     | The official Nerdminer pool site - Mantained by @golden-guy |
 | pool.nerdminer.io | 3333  | https://nerdminer.io       | Mantained by CHMEX                                                 |
-| pool.vkbit.com    | 3333  | https://vkbit.com/         | Mantained by djerfy - public-pool fork                             |
 | pool.pyblock.xyz  | 3333  | https://pool.pyblock.xyz/  | Mantained by curly60e                                              |
 | pool.sethforprivacy.com  | 3333  | https://pool.sethforprivacy.com/  | Mantained by @sethforprivacy - public-pool fork      |
 
diff --git a/src/mining.cpp b/src/mining.cpp
index 1b22107..8e529a9 100644
--- a/src/mining.cpp
+++ b/src/mining.cpp
@@ -400,6 +400,13 @@ void saveStat() {
   nvs_set_u64(stat_handle, "upTime", upTime + (esp_timer_get_time()/1000000));
 }
 
+void resetStat() {
+    Serial.printf("[MONITOR] Resetting NVS stats\n");
+    templates = hashes = Mhashes = totalKHashes = elapsedKHs = upTime = shares = valids = 0;
+    best_diff = 0.0;
+    saveStat();
+}
+
 void runMonitor(void *name)
 {
 
diff --git a/src/mining.h b/src/mining.h
index 2eff707..a1adf14 100644
--- a/src/mining.h
+++ b/src/mining.h
@@ -17,6 +17,8 @@ void runStratumWorker(void *name);
 void runMiner(void *name);
 String printLocalTime(void);
 
+void resetStat();
+
 typedef struct{
   uint8_t bytearray_target[32];
   uint8_t bytearray_pooltarget[32];
diff --git a/src/monitor.h b/src/monitor.h
index 8e25146..dfe3791 100644
--- a/src/monitor.h
+++ b/src/monitor.h
@@ -12,8 +12,8 @@
 //Time update period
 #define UPDATE_PERIOD_h   5
 
-//API BTC price
-#define getBTCAPI "https://api.blockchain.com/v3/exchange/tickers/BTC-USD"
+//API BTC price (Update to USDT cus it's more liquidity and flow price updade)   
+#define getBTCAPI "https://api.blockchain.com/v3/exchange/tickers/BTC-USDT"
 #define UPDATE_BTC_min   1
 
 //API Block height
diff --git a/src/utils.cpp b/src/utils.cpp
index 58df0ca..20120be 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -136,21 +136,37 @@ bool checkValid(unsigned char* hash, unsigned char* target) {
   return valid;
 }
 
+/**
+ * get random extranonce2
+*/
+void getRandomExtranonce2(int extranonce2_size, char *extranonce2) {
+  uint8_t b0, b1, b2, b3;
+
+  b0 = rand() % 256;
+  b1 = rand() % 256;
+  b2 = rand() % 256;
+  b3 = rand() % 256;
+
+  unsigned long extranonce2_number = b3 << 24 | b2 <<  16 | b1 << 8 | b0;
+
+  char format[] = "%00x";
+
+  sprintf(&format[1], "%02dx", extranonce2_size * 2);
+  sprintf(extranonce2, format, extranonce2_number);
+}
+
+/**
+ * get linear extranonce2
+*/
 void getNextExtranonce2(int extranonce2_size, char *extranonce2) {
-  
   unsigned long extranonce2_number = strtoul(extranonce2, NULL, 10);
+
   extranonce2_number++;
-  
-  memset(extranonce2, '0', 2 * extranonce2_size);
-  if (extranonce2_number > long(pow(10, 2 * extranonce2_size))) {
-    return;
-  }
-  
-  char next_extranounce2[2 * extranonce2_size + 1];
-  memset(extranonce2, '0', 2 * extranonce2_size);
-  ultoa(extranonce2_number, next_extranounce2, 10);
-  memcpy(extranonce2 + (2 * extranonce2_size) - long(log10(extranonce2_number)) - 1 , next_extranounce2, strlen(next_extranounce2));
-  extranonce2[2 * extranonce2_size] = 0;
+
+  char format[] = "%00x";
+
+  sprintf(&format[1], "%02dx", extranonce2_size * 2);
+  sprintf(extranonce2, format, extranonce2_number);
 }
 
 miner_data init_miner_data(void){
diff --git a/src/wManager.cpp b/src/wManager.cpp
index 2f40d85..e91f85b 100644
--- a/src/wManager.cpp
+++ b/src/wManager.cpp
@@ -13,6 +13,7 @@
 #include "drivers/storage/SDCard.h"
 #include "drivers/storage/nvMemory.h"
 #include "drivers/storage/storage.h"
+#include "mining.h"
 #include "timeconst.h"
 
 
@@ -62,6 +63,7 @@ void reset_configuration()
 {
     Serial.println("Erasing Config, restarting");
     nvMem.deleteConfig();
+    resetStat();
     wm.resetSettings();
     ESP.restart();
 }
@@ -165,10 +167,9 @@ void init_WifiManager()
   {
     strcat(checkboxParams, " checked");
   }
-  WiFiManagerParameter save_stats_to_nvs("SaveStatsToNVS", "Track Uptime, Best Diff, Total Hashes in device Flash memory. (Experimental)", "T", 2, checkboxParams, WFM_LABEL_AFTER); 
-  
+  WiFiManagerParameter save_stats_to_nvs("SaveStatsToNVS", "Save mining statistics to flash memory.", "T", 2, checkboxParams, WFM_LABEL_AFTER);
   // Text box (String) - 80 characters maximum
-  WiFiManagerParameter password_text_box("PoolpasswordOptionl", "Pool password (optional)", Settings.PoolPassword, 80);
+  WiFiManagerParameter password_text_box("Poolpassword - Optionl", "Pool password", Settings.PoolPassword, 80);
 
   // Add all defined parameters
   wm.addParameter(&pool_text_box);