diff --git a/db/db-core/src/lib.rs b/db/db-core/src/lib.rs
index a5fc7b20..1a51b31e 100644
--- a/db/db-core/src/lib.rs
+++ b/db/db-core/src/lib.rs
@@ -292,6 +292,21 @@ pub trait MCDatabase: std::marker::Send + std::marker::Sync + CloneSPDatabase {
 
     /// Get all psuedo IDs
     async fn analytics_get_all_psuedo_ids(&self, page: usize) -> DBResult<Vec<String>>;
+
+    /// Track maximum nonce received against captcha levels
+    async fn update_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+        latest_nonce: u32,
+    ) -> DBResult<()>;
+
+    /// Get maximum nonce tracked so far for captcha levels
+    async fn get_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+    ) -> DBResult<u32>;
 }
 
 #[derive(Debug, Clone, Default, Deserialize, Serialize, PartialEq)]
diff --git a/db/db-core/src/tests.rs b/db/db-core/src/tests.rs
index 675e25d7..fd59230c 100644
--- a/db/db-core/src/tests.rs
+++ b/db/db-core/src/tests.rs
@@ -310,6 +310,33 @@ pub async fn database_works<'a, T: MCDatabase>(
         .unwrap();
     // analytics end
 
+    // nonce tracking start
+    assert_eq!(
+        db.get_max_nonce_for_level(c.key, l[0].difficulty_factor)
+            .await
+            .unwrap(),
+        0
+    );
+    db.update_max_nonce_for_level(c.key, l[0].difficulty_factor, 1000)
+        .await
+        .unwrap();
+    assert_eq!(
+        db.get_max_nonce_for_level(c.key, l[0].difficulty_factor)
+            .await
+            .unwrap(),
+        1000
+    );
+    db.update_max_nonce_for_level(c.key, l[0].difficulty_factor, 10_000)
+        .await
+        .unwrap();
+    assert_eq!(
+        db.get_max_nonce_for_level(c.key, l[0].difficulty_factor)
+            .await
+            .unwrap(),
+        10_000
+    );
+    // nonce tracking end
+
     assert_eq!(db.fetch_solve(p.username, c.key).await.unwrap().len(), 1);
     assert_eq!(
         db.fetch_config_fetched(p.username, c.key)
diff --git a/db/db-sqlx-maria/.sqlx/query-216478d53870d7785cd0be43f030883ab79eaafb558d9197d09aea3adbd7b0bc.json b/db/db-sqlx-maria/.sqlx/query-216478d53870d7785cd0be43f030883ab79eaafb558d9197d09aea3adbd7b0bc.json
new file mode 100644
index 00000000..e0d329a7
--- /dev/null
+++ b/db/db-sqlx-maria/.sqlx/query-216478d53870d7785cd0be43f030883ab79eaafb558d9197d09aea3adbd7b0bc.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "MySQL",
+  "query": "INSERT INTO\n                    mcaptcha_track_nonce (level_id, nonce)\n                VALUES  ((\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)\n                    AND\n                        difficulty_factor = ?\n                    AND\n                        visitor_threshold = ?\n                    ), ?);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 4
+    },
+    "nullable": []
+  },
+  "hash": "216478d53870d7785cd0be43f030883ab79eaafb558d9197d09aea3adbd7b0bc"
+}
diff --git a/db/db-sqlx-maria/.sqlx/query-349ba17ff197aca7ee9fbd43e227d181c27ae04702fd6bdb6ddc32aab3bcb1ea.json b/db/db-sqlx-maria/.sqlx/query-349ba17ff197aca7ee9fbd43e227d181c27ae04702fd6bdb6ddc32aab3bcb1ea.json
new file mode 100644
index 00000000..54c52c6e
--- /dev/null
+++ b/db/db-sqlx-maria/.sqlx/query-349ba17ff197aca7ee9fbd43e227d181c27ae04702fd6bdb6ddc32aab3bcb1ea.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "MySQL",
+  "query": "UPDATE mcaptcha_track_nonce SET nonce = ?\n                WHERE level_id =  (\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)\n                    AND\n                        difficulty_factor = ?\n                    )\n                AND nonce <= ?;",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 4
+    },
+    "nullable": []
+  },
+  "hash": "349ba17ff197aca7ee9fbd43e227d181c27ae04702fd6bdb6ddc32aab3bcb1ea"
+}
diff --git a/db/db-sqlx-maria/.sqlx/query-b739ec4cfab1ec60947106c8112e931510c3a50a1606facdde0c0ebb540d5beb.json b/db/db-sqlx-maria/.sqlx/query-b739ec4cfab1ec60947106c8112e931510c3a50a1606facdde0c0ebb540d5beb.json
new file mode 100644
index 00000000..1212099c
--- /dev/null
+++ b/db/db-sqlx-maria/.sqlx/query-b739ec4cfab1ec60947106c8112e931510c3a50a1606facdde0c0ebb540d5beb.json
@@ -0,0 +1,25 @@
+{
+  "db_name": "MySQL",
+  "query": "SELECT nonce FROM mcaptcha_track_nonce\n                WHERE level_id =  (\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)\n                    AND\n                        difficulty_factor = ?\n                    );",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "nonce",
+        "type_info": {
+          "type": "Long",
+          "flags": "NOT_NULL",
+          "char_set": 63,
+          "max_size": 11
+        }
+      }
+    ],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "b739ec4cfab1ec60947106c8112e931510c3a50a1606facdde0c0ebb540d5beb"
+}
diff --git a/db/db-sqlx-maria/migrations/20231029000927_mcaptcha_track_nonce.sql b/db/db-sqlx-maria/migrations/20231029000927_mcaptcha_track_nonce.sql
new file mode 100644
index 00000000..02b45f99
--- /dev/null
+++ b/db/db-sqlx-maria/migrations/20231029000927_mcaptcha_track_nonce.sql
@@ -0,0 +1,12 @@
+-- Add migration script here
+CREATE TABLE IF NOT EXISTS mcaptcha_track_nonce (
+	level_id INTEGER NOT NULL,
+	nonce INTEGER NOT NULL DEFAULT 0,
+	ID INT auto_increment,
+	PRIMARY KEY(ID),
+	CONSTRAINT `fk_mcaptcha_track_nonce_level_id`
+		FOREIGN KEY (level_id)
+		REFERENCES mcaptcha_levels (level_id)
+		ON DELETE CASCADE
+		ON UPDATE CASCADE
+);
diff --git a/db/db-sqlx-maria/src/lib.rs b/db/db-sqlx-maria/src/lib.rs
index f0d12bc5..2433f365 100644
--- a/db/db-sqlx-maria/src/lib.rs
+++ b/db/db-sqlx-maria/src/lib.rs
@@ -433,6 +433,39 @@ impl MCDatabase for Database {
             futs.push(fut);
         }
 
+        try_join_all(futs)
+            .await
+            .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        let mut futs = Vec::with_capacity(levels.len());
+
+        for level in levels.iter() {
+            let difficulty_factor = level.difficulty_factor as i32;
+            let visitor_threshold = level.visitor_threshold as i32;
+            let fut = sqlx::query!(
+                "INSERT INTO
+                    mcaptcha_track_nonce (level_id, nonce)
+                VALUES  ((
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)
+                    AND
+                        difficulty_factor = ?
+                    AND
+                        visitor_threshold = ?
+                    ), ?);",
+                &captcha_key,
+                difficulty_factor,
+                visitor_threshold,
+                0,
+            )
+            .execute(&self.pool);
+            futs.push(fut);
+        }
+
         try_join_all(futs)
             .await
             .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
@@ -1087,6 +1120,70 @@ impl MCDatabase for Database {
 
         Ok(res.drain(0..).map(|r| r.psuedo_id).collect())
     }
+
+    /// Track maximum nonce received against captcha levels
+    async fn update_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+        latest_nonce: u32,
+    ) -> DBResult<()> {
+        let latest_nonce = latest_nonce as i64;
+        sqlx::query!(
+                "UPDATE mcaptcha_track_nonce SET nonce = ?
+                WHERE level_id =  (
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)
+                    AND
+                        difficulty_factor = ?
+                    )
+                AND nonce <= ?;",
+                latest_nonce,
+                &captcha_key,
+                difficulty_factor as i64,
+                latest_nonce
+            )
+            .execute(&self.pool).await
+        .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        Ok(())
+    }
+
+    /// Get maximum nonce tracked so far for captcha levels
+    async fn get_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+    ) -> DBResult<u32> {
+        struct X {
+            nonce: i32,
+        }
+
+        let res = sqlx::query_as!(
+                X,
+                "SELECT nonce FROM mcaptcha_track_nonce
+                WHERE level_id =  (
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE captcha_key = ?)
+                    AND
+                        difficulty_factor = ?
+                    );",
+                &captcha_key,
+                difficulty_factor as i32,
+            )
+                .fetch_one(&self.pool).await
+                .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        Ok(res.nonce as u32)
+    }
 }
 
 #[derive(Clone)]
diff --git a/db/db-sqlx-postgres/.sqlx/query-133ee23ab5ac7c664a86b6edfaa8da79281b6d1f5ba33c642a6ea1b0682fe0b0.json b/db/db-sqlx-postgres/.sqlx/query-133ee23ab5ac7c664a86b6edfaa8da79281b6d1f5ba33c642a6ea1b0682fe0b0.json
new file mode 100644
index 00000000..65f9c670
--- /dev/null
+++ b/db/db-sqlx-postgres/.sqlx/query-133ee23ab5ac7c664a86b6edfaa8da79281b6d1f5ba33c642a6ea1b0682fe0b0.json
@@ -0,0 +1,17 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "INSERT INTO\n                    mcaptcha_track_nonce (level_id, nonce)\n                VALUES  ((\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))\n                    AND\n                        difficulty_factor = $2\n                    AND\n                        visitor_threshold = $3\n                    ), $4);",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Int4",
+        "Int4",
+        "Int4"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "133ee23ab5ac7c664a86b6edfaa8da79281b6d1f5ba33c642a6ea1b0682fe0b0"
+}
diff --git a/db/db-sqlx-postgres/.sqlx/query-96f1f1e45144d5add6c4ba4cd2df8eda6043bc8cd6952787f92a687fef778a6e.json b/db/db-sqlx-postgres/.sqlx/query-96f1f1e45144d5add6c4ba4cd2df8eda6043bc8cd6952787f92a687fef778a6e.json
new file mode 100644
index 00000000..b74870c2
--- /dev/null
+++ b/db/db-sqlx-postgres/.sqlx/query-96f1f1e45144d5add6c4ba4cd2df8eda6043bc8cd6952787f92a687fef778a6e.json
@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT nonce FROM mcaptcha_track_nonce\n                WHERE level_id =  (\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))\n                    AND\n                        difficulty_factor = $2\n                    );",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "nonce",
+        "type_info": "Int4"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Int4"
+      ]
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "96f1f1e45144d5add6c4ba4cd2df8eda6043bc8cd6952787f92a687fef778a6e"
+}
diff --git a/db/db-sqlx-postgres/.sqlx/query-e33ee14cf76cd09d9a157b8784a3fe25b89eaca105aa30e479d31b756cd5c88b.json b/db/db-sqlx-postgres/.sqlx/query-e33ee14cf76cd09d9a157b8784a3fe25b89eaca105aa30e479d31b756cd5c88b.json
new file mode 100644
index 00000000..fabcf9bf
--- /dev/null
+++ b/db/db-sqlx-postgres/.sqlx/query-e33ee14cf76cd09d9a157b8784a3fe25b89eaca105aa30e479d31b756cd5c88b.json
@@ -0,0 +1,16 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "UPDATE mcaptcha_track_nonce SET nonce = $3\n                WHERE level_id =  (\n                    SELECT\n                        level_id\n                    FROM\n                        mcaptcha_levels\n                    WHERE\n                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))\n                    AND\n                        difficulty_factor = $2\n                    )\n                AND nonce <= $3;",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Int4",
+        "Int4"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "e33ee14cf76cd09d9a157b8784a3fe25b89eaca105aa30e479d31b756cd5c88b"
+}
diff --git a/db/db-sqlx-postgres/migrations/20231028235346_mcaptcha_track_nonce.sql b/db/db-sqlx-postgres/migrations/20231028235346_mcaptcha_track_nonce.sql
new file mode 100644
index 00000000..eb453924
--- /dev/null
+++ b/db/db-sqlx-postgres/migrations/20231028235346_mcaptcha_track_nonce.sql
@@ -0,0 +1,6 @@
+-- Add migration script here
+CREATE TABLE IF NOT EXISTS mcaptcha_track_nonce (
+	nonce INTEGER NOT NULL DEFAULT 0,
+	level_id INTEGER references mcaptcha_levels(level_id)  ON DELETE CASCADE,
+	ID SERIAL PRIMARY KEY NOT NULL
+);
diff --git a/db/db-sqlx-postgres/src/lib.rs b/db/db-sqlx-postgres/src/lib.rs
index d0b2eb7b..afa7c652 100644
--- a/db/db-sqlx-postgres/src/lib.rs
+++ b/db/db-sqlx-postgres/src/lib.rs
@@ -445,6 +445,38 @@ impl MCDatabase for Database {
             futs.push(fut);
         }
 
+        try_join_all(futs)
+            .await
+            .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        let mut futs = Vec::with_capacity(levels.len());
+        for level in levels.iter() {
+            let difficulty_factor = level.difficulty_factor as i32;
+            let visitor_threshold = level.visitor_threshold as i32;
+            let fut = sqlx::query!(
+                "INSERT INTO
+                    mcaptcha_track_nonce (level_id, nonce)
+                VALUES  ((
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))
+                    AND
+                        difficulty_factor = $2
+                    AND
+                        visitor_threshold = $3
+                    ), $4);",
+                &captcha_key,
+                difficulty_factor,
+                visitor_threshold,
+                0,
+            )
+            .execute(&self.pool);
+            futs.push(fut);
+        }
+
         try_join_all(futs)
             .await
             .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
@@ -1097,6 +1129,68 @@ impl MCDatabase for Database {
 
         Ok(res.drain(0..).map(|r| r.psuedo_id).collect())
     }
+
+    /// Track maximum nonce received against captcha levels
+    async fn update_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+        latest_nonce: u32,
+    ) -> DBResult<()> {
+        sqlx::query!(
+                "UPDATE mcaptcha_track_nonce SET nonce = $3
+                WHERE level_id =  (
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))
+                    AND
+                        difficulty_factor = $2
+                    )
+                AND nonce <= $3;",
+                &captcha_key,
+                difficulty_factor as i32,
+                latest_nonce as i32,
+            )
+            .execute(&self.pool).await
+        .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        Ok(())
+    }
+
+    /// Get maximum nonce tracked so far for captcha levels
+    async fn get_max_nonce_for_level(
+        &self,
+        captcha_key: &str,
+        difficulty_factor: u32,
+    ) -> DBResult<u32> {
+        struct X {
+            nonce: i32,
+        }
+
+        let res = sqlx::query_as!(
+                X,
+                "SELECT nonce FROM mcaptcha_track_nonce
+                WHERE level_id =  (
+                    SELECT
+                        level_id
+                    FROM
+                        mcaptcha_levels
+                    WHERE
+                        config_id = (SELECT config_id FROM mcaptcha_config WHERE key = ($1))
+                    AND
+                        difficulty_factor = $2
+                    );",
+                &captcha_key,
+                difficulty_factor as i32,
+            )
+                .fetch_one(&self.pool).await
+                .map_err(|e| map_row_not_found_err(e, DBError::CaptchaNotFound))?;
+
+        Ok(res.nonce as u32)
+    }
 }
 
 #[derive(Clone)]