Singleton через Lazy<T>

using System;
using System.Threading;
using System.Linq;

class Program
{
   static void Main(string[] args)
   {
    Console.WriteLine(Singleton.GetInstance());
    Console.ReadLine();
   }
}

class Singleton
{
    private static readonly Lazy<Singleton> lazy = new Lazy<Singleton>(()=>new Singleton());

    public string Name{get;private set;}

    private Singleton()
    {
        this.Name = System.Guid.NewGuid().ToString();
    }

    public static Singleton GetInstance()
    {
        return lazy.Value;
    }
}