public void MineBlock()
{
//have to send a message to the sender and recipient for the transaction has passed succesfully
string prevHash = chain.Count > 0 ? chain.ElementAt(chain.Count - 2) : "0";
string timestamp = DateTime.Now.ToString();
Block block = new Block(chain.Count, timestamp, transactions, prevHash);
block.ComputeHash();
chain.Add(block.ToString());
}
