diff --git a/index.html b/index.html
index 31d0a76..60309d6 100644
--- a/index.html
+++ b/index.html
@@ -1006,6 +1006,7 @@
 									<option value="coinb.in">coinb.in (Bitcoin mainnet)</option>
 									<option value="blockr.io_bitcoinmainnet"> Blockr.io (Bitcoin mainnet)</option>
 									<option value="chain.so_bitcoinmainnet"> Chain.so (Bitcoin mainnet)</option>
+									<option value="blockcypher_bitcoinmainnet"> Blockcypher.com (Bitcoin mainnet)</option>
 									<option value="blockr.io_litecoin"> Blockr.io (Litecoin)</option>
 								<!--	<option value="blockr.io_bitcointestnet"> Blockr.io (Bitcoin testnet)</option> -->
 								</select>
diff --git a/js/coinbin.js b/js/coinbin.js
index 7a150b9..9f7be7e 100644
--- a/js/coinbin.js
+++ b/js/coinbin.js
@@ -966,6 +966,35 @@ $(document).ready(function() {
 		});
 	}
 
+	// broadcast transaction via blockcypher.com (mainnet)
+	function rawSubmitblockcypher_BitcoinMainnet(thisbtn){ 
+		$(thisbtn).val('Please wait, loading...').attr('disabled',true);
+		$.ajax ({
+			type: "POST",
+			url: "https://api.blockcypher.com/v1/btc/main/txs/push",
+			data: JSON.stringify({"tx":$("#rawTransaction").val()}),
+			error: function(data) {
+				var obj = $.parseJSON(data.responseText);
+				var r = ' ';
+				r += (obj.error) ? obj.error : '';
+				r = (r!='') ? r : ' Failed to broadcast'; // build response 
+				$("#rawTransactionStatus").addClass('alert-danger').removeClass('alert-success').removeClass("hidden").html(r).prepend('<span class="glyphicon glyphicon-exclamation-sign"></span>');
+			},
+                        success: function(data) {
+				var obj = $.parseJSON(data.responseText);
+				if(obj.hash){
+					$("#rawTransactionStatus").addClass('alert-success').removeClass('alert-danger').removeClass("hidden").html(' Txid: '+obj.hash);
+				} else {
+					$("#rawTransactionStatus").addClass('alert-danger').removeClass('alert-success').removeClass("hidden").html(' Unexpected error, please try again').prepend('<span class="glyphicon glyphicon-exclamation-sign"></span>');
+				}				
+			},
+			complete: function(data, status) {
+				$("#rawTransactionStatus").fadeOut().fadeIn();
+				$(thisbtn).val('Submit').attr('disabled',false);				
+			}
+		});
+	}
+
 	// broadcast transaction via blockr.io for litecoin
 	function rawSubmitBlockrio_litecoin(thisbtn){ 
 		$(thisbtn).val('Please wait, loading...').attr('disabled',true);
@@ -1451,6 +1480,10 @@ $(document).ready(function() {
 			$("#rawSubmitBtn").click(function(){
 				rawSubmitChainso_BitcoinMainnet(this);
 			});
+		} else if(host=="blockcypher_bitcoinmainnet"){
+			$("#rawSubmitBtn").click(function(){
+				rawSubmitblockcypher_BitcoinMainnet(this);
+			});
 		} else {
 			$("#rawSubmitBtn").click(function(){
 				rawSubmitDefault(this); // revert to default
diff --git a/sha1sum b/sha1sum
index d14fb5c..4f13db2 100644
--- a/sha1sum
+++ b/sha1sum
@@ -3,7 +3,7 @@
 3a09a8fc0cfe828b57fc798d668234d0490ee1a6  ./js/bootstrap-datetimepicker.min.js
 253711c6d825de55a8360552573be950da180614  ./js/bootstrap.min.js
 ca3f654f247fef67de2cf6e01c3aa80db1812e5d  ./js/coin.js
-664ee79f35a73b754725c52c14257cc781a9ef50  ./js/coinbin.js
+d109119cae40e0fb7d1c95d01069ce81d19b45ec  ./coinbin.js
 988565bc2cb402d63ed5c5fd7ff47c4278efc2c5  ./js/collapse.js
 9ba5ede3d7f9d4c8fd623395f196adfdcf7e970f  ./js/crypto-min.js
 f7c09f2f5a721371e7d478050119f7e2d58e3ef9  ./js/crypto-sha256-hmac.js
@@ -30,4 +30,4 @@ de51a8494180a6db074af2dee2383f0a363c5b08  ./fonts/glyphicons-halflings-regular.s
 278e49a86e634da6f2a02f3b47dd9d2a8f26210f  ./fonts/glyphicons-halflings-regular.woff
 44bc1850f570972267b169ae18f1cb06b611ffa2  ./fonts/glyphicons-halflings-regular.ttf
 48ff08f459ff55ae54e594b4ae307d1d8e6f74b3  ./README.md
-000c945b6fae0e7450a9bad857094374eb4e2db2  ./index.html
+05bc991db2105acda4333792582f5350012a0129  ./index.html