private void CheckTransactionStatus(object sender, EventArgs e)
        {
            var uncompletedTxs = TransactionList.Where(q => q.IsConfirmed == false).ToList();

            foreach (var tx in uncompletedTxs)
            {
                DispatcherHelper.Invoke(async() =>
                {
                    try
                    {
                        var raw = await TransactionManager.CheckAndRecordTransactionStatus(tx.TransactionId);
                        if (null != raw)
                        {
                            tx.BlockHash     = raw.BlockHash.ToString();
                            tx.Confirmations = raw.Confirmations;
                            tx.IsConfirmed   = raw.Confirmations > 0;
                        }
                    }
                    catch (Exception)
                    {
                    }
                });
            }
        }