Arduino UNO is offline even thouh it says blynk server connected in cmd prompt

#include <SoftwareSerial.h>
SoftwareSerial DebugSerial(2, 3); // RX, TX

#define BLYNK_PRINT DebugSerial
#include <BlynkSimpleStream.h>

char auth[] = "35e818fe8eeb4f819c5110654ccbxxxxa";

#include <SPI.h>
#include <Wire.h>

//  Variables
int pulsePin = 0;                 // Pulse Sensor purple wire connected to analog pin 0
// int blinkPin = 13;                // pin to blink led at each beat
int fadePin = 5;                  // pin to do fancy classy fading blink at each beat
int fadeRate = 0;                 // used to fade LED on with PWM on fadePin

// Volatile Variables, used in the interrupt service routine!
volatile int BPM;                   // int that holds raw Analog in 0. updated every 2mS
volatile int Signal;                // holds the incoming raw data
volatile int IBI = 600;             // int that holds the time interval between beats! Must be seeded! 
volatile boolean Pulse = false;     // "True" when User's live heartbeat is detected. "False" when not a "live beat". 
volatile boolean QS = false;        // becomes true when Arduoino finds a beat.

// Regards Serial OutPut  -- Set This Up to your needs
static boolean serialVisual = true;   // Set to 'false' by Default.  Re-set to 'true' to see Arduino Serial Monitor ASCII Visual Pulse 

void setup()
  // Debug console
  Blynk.begin(auth, Serial);
  //  pinMode(blinkPin,OUTPUT);         
  // Serial.begin(9600); 
   //pulse sense// 
      serialOutput() ;       
   if (QS == true){     
       fadeRate = 255;         
       serialOutputWhenBeatHappens();   // A Beat Happened, Output that to serial.     
       QS = false;                          
 ledFadeToBeat();                      // Makes the LED Fade Effect Happen 
  delay(20);                             //  take a break
//Pulsesense End//
 void ledFadeToBeat(){
    fadeRate -= 15;                         
    fadeRate = constrain(fadeRate,0,255);   

Could you please do this? Makes it really easier to read your code