diff --git a/modules/global-db/dap_chain_global_db.c b/modules/global-db/dap_chain_global_db.c
index ce7ccc6756b49b25102b5eee02ad593f4ab378ff..144b2a225f15b8ea761df71f2e79e46ca3fd632d 100644
--- a/modules/global-db/dap_chain_global_db.c
+++ b/modules/global-db/dap_chain_global_db.c
@@ -671,26 +671,20 @@ dap_global_db_obj_t* dap_chain_global_db_gr_load(const char *a_group, size_t *a_
             *a_data_size_out = 0;
         return NULL;
     }
-    dap_global_db_obj_t *l_data = DAP_NEW_Z_SIZE(dap_global_db_obj_t,
-            (count + 1) * sizeof(dap_global_db_obj_t)); // last item in mass must be zero
-    // clear only last item
-    //memset(&l_data[count], 0, sizeof(dap_global_db_obj_t));
+    dap_global_db_obj_t *l_data = DAP_NEW_Z_SIZE(dap_global_db_obj_t, (count + 1) * sizeof(dap_global_db_obj_t)); // last item in mass must be zero
     for(size_t i = 0; i < count; i++) {
-        dap_store_obj_t *l_store_obj_cur = l_store_obj + i;
-        /*assert(l_store_obj_cur);
-         l_data[i] = DAP_NEW(dap_global_db_obj_t);
-         l_data[i]->key = dap_strdup(l_store_obj_cur->key);
-         l_data[i]->value_len = l_store_obj_cur->value_len;
-         l_data[i]->value = DAP_NEW_Z_SIZE(uint8_t, l_store_obj_cur->value_len + 1);
-         memcpy(l_data[i]->value, l_store_obj_cur->value, l_store_obj_cur->value_len);*/
-        //dap_global_db_obj_t *l_data = l_data0 + i;
-        l_data[i].key = l_store_obj_cur->key;
-        l_data[i].value_len = l_store_obj_cur->value_len;
-        l_data[i].value = l_store_obj_cur->value;
-        DAP_DELETE(l_store_obj_cur->group);
+        if (l_store_obj[i].value_len > 1024*1024) {
+            char l_temp[64] = { '\0' };
+            log_it(L_ERROR, "Trash datum in gdb, key: %s, size: %d, created: %s", l_store_obj[i].key, l_store_obj[i].value_len, dap_ctime_r(&(l_store_obj[i].timestamp), l_temp));
+            --count;
+            continue;
+        }
+        l_data[i].key = dap_strdup(l_store_obj[i].key);
+        l_data[i].value_len = l_store_obj[i].value_len;
+        l_data[i].value = DAP_NEW_Z_SIZE(uint8_t, l_store_obj[i].value_len + 1);
+        memcpy(l_data[i].value, l_store_obj[i].value, l_store_obj[i].value_len);
     }
-    // inner data are use in l_data0
-    DAP_DELETE(l_store_obj); //dap_store_obj_free(l_store_obj, count);
+    dap_store_obj_free(l_store_obj, count);
     if(a_data_size_out)
         *a_data_size_out = count;
     return l_data;
diff --git a/modules/net/dap_chain_node_cli_cmd.c b/modules/net/dap_chain_node_cli_cmd.c
index 76e3b8361f2e6d53996826fabd55ff9e99921647..c1fd94f152e049956d45446ca7ebdf3144e4d467 100644
--- a/modules/net/dap_chain_node_cli_cmd.c
+++ b/modules/net/dap_chain_node_cli_cmd.c
@@ -2052,19 +2052,20 @@ void s_com_mempool_list_print_for_chain(dap_chain_net_t * a_net, dap_chain_t * a
             dap_string_append_printf(a_str_tmp, "%s.%s: Not found records\n", a_net->pub.name, a_chain->name);
         for(size_t i = 0; i < l_objs_size; i++) {
             dap_chain_datum_t * l_datum = (dap_chain_datum_t*) l_objs[i].value;
-            char buf[50];
-            char * l_key  = dap_strdup(l_objs[i].key);
             time_t l_ts_create = (time_t) l_datum->header.ts_create;
-
+            if (l_datum->header.data_size > l_objs[i].value_len) {
+                log_it(L_ERROR, "Trash datum in GDB %s.%s, key: %s", a_net->pub.name, a_chain->name, l_objs[i].key);
+                continue;
+            }
+            char buf[50];
             dap_hash_fast_t l_data_hash;
             char l_data_hash_str[70]={[0]='\0'};
             dap_hash_fast(l_datum->data,l_datum->header.data_size,&l_data_hash);
             dap_hash_fast_to_str(&l_data_hash,l_data_hash_str,sizeof (l_data_hash_str)-1);
 
             dap_string_append_printf(a_str_tmp, "hash %s: type_id=%s  data_size=%u data_hash=%s ts_create=%s", // \n included in timestamp
-                    l_key, c_datum_type_str[l_datum->header.type_id],
+                    l_objs[i].key, c_datum_type_str[l_datum->header.type_id],
                     l_datum->header.data_size, l_data_hash_str, dap_ctime_r(&l_ts_create, buf));
-            DAP_DELETE(l_key);
             dap_chain_net_dump_datum(a_str_tmp, l_datum, a_hash_out_type);
         }