public IHttpActionResult GetUnspentTX(String Address)
        {
            BitcoinService foo = new BitcoinService(IP, rpcuser, rpcpassword, WalletPassword, 120);


            List <ListUnspentResponse> hello = foo.ListUnspent(0, 100000000, new List <string>()
            {
                Address
            });
            List <UnspentTransaction> outputs = new List <UnspentTransaction>();

            foreach (ListUnspentResponse a in hello)
            {
                UnspentTransaction unspent = new UnspentTransaction();
                unspent.txid         = a.TxId;
                unspent.vout         = a.Vout;
                unspent.scriptPubKey = a.ScriptPubKey;
                unspent.amount       = a.Amount;
                outputs.Add(unspent);
            }

            return(Json(outputs)); // JsonConvert.SerializeObject(outputs);
        }