diff --git a/core/src/main/java/io/bitsquare/user/Preferences.java b/core/src/main/java/io/bitsquare/user/Preferences.java
index 27703a9808..9c27bed871 100644
--- a/core/src/main/java/io/bitsquare/user/Preferences.java
+++ b/core/src/main/java/io/bitsquare/user/Preferences.java
@@ -64,6 +64,8 @@ public final class Preferences implements Persistable {
             new BlockChainExplorer("Blockexplorer", "https://blockexplorer.com/testnet/tx/", "https://blockexplorer.com/testnet/address/"),
             new BlockChainExplorer("Blockr.io", "https://tbtc.blockr.io/tx/info/", "https://tbtc.blockr.io/address/info/"),
             new BlockChainExplorer("Biteasy", "https://www.biteasy.com/testnet/transactions/", "https://www.biteasy.com/testnet/addresses/")
+            new BlockChainExplorer("Smartbit", "https://testnet.smartbit.com.au/tx/", "https://testnet.smartbit.com.au/address/")
+            new BlockChainExplorer("SoChain. Wow.", "https://chain.so/tx/BTCTEST/", "https://chain.so/address/BTCTEST/")
     ));
 
     transient static final private ArrayList<BlockChainExplorer> blockChainExplorersMainNet = new ArrayList<>(Arrays.asList(
@@ -75,6 +77,9 @@ public final class Preferences implements Persistable {
             new BlockChainExplorer("Blockr.io", "https://btc.blockr.io/tx/info/", "https://btc.blockr.io/address/info/"),
             new BlockChainExplorer("Biteasy", "https://www.biteasy.com/transactions/", "https://www.biteasy.com/addresses/"),
             new BlockChainExplorer("Blockonomics", "https://www.blockonomics.co/api/tx?txid=", "https://www.blockonomics.co/#/search?q=")
+            new BlockChainExplorer("Chainflyer", "http://chainflyer.bitflyer.jp/Transaction/", "http://chainflyer.bitflyer.jp/Address/")
+            new BlockChainExplorer("Smartbit", "https://www.smartbit.com.au/tx/", "https://www.smartbit.com.au/address/")
+            new BlockChainExplorer("SoChain. Wow.", "https://chain.so/tx/BTC/", "https://chain.so/address/BTC/")
     ));
 
     public static List<String> getBtcDenominations() {