static void Main(string[] args) { var blockchain = new Core.Blockchain(); blockchain.AddBlock(new { Souce = "Douglas", Target = "Magda", Amount = 10.00 }); blockchain.AddBlock(new { Souce = "Magda", Target = "Ilir", Amount = 5.00 }); System.Console.WriteLine(blockchain); System.Console.WriteLine($"Is blockchain valid? {blockchain.Isvalid()}"); System.Console.ReadLine(); }