static void CommandBlock(int Index)
{
var block = blockchainServices.Block(Index);
Console.WriteLine($" Block {Index}:");
Console.WriteLine($" Hash: {block.Hash}:");
Console.WriteLine($" Nonce: {block.Nonce}:");
Console.WriteLine($" Previous hash: {block.PreviousHash}:");
Console.WriteLine($" #Transactions : {block.Transactions.Count}:");
Console.WriteLine("");
}
