diff --git a/db.h b/db.h
index 307dd40..3fdebb0 100644
--- a/db.h
+++ b/db.h
@@ -16,7 +16,8 @@
 
 static inline int GetRequireHeight(const bool testnet = fTestNet)
 {
-    return testnet ? 0 : 230000;
+//    return testnet ? 0 : 230000;
+    return 0;
 }
 
 std::string static inline ToString(const CService &ip) {
diff --git a/main.cpp b/main.cpp
index 2e88ed4..e50038b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -339,13 +339,15 @@ extern "C" void* ThreadStats(void*) {
   } while(1);
 }
 
-static const string mainnet_seeds[] = {"dnsseed.bluematt.me", "bitseed.xf2.org", "dnsseed.bitcoin.dashjr.org", "seed.bitcoin.sipa.be", ""};
-static const string testnet_seeds[] = {"testnet-seed.bitcoin.petertodd.org", "static-testnet-seed.bitcoin.petertodd.org", ""};
+static const string mainnet_seeds[] = {""};
+static const string testnet_seeds[] = {""};
 static const string *seeds = mainnet_seeds;
 
-extern "C" void* ThreadSeeder(void*) {
+extern "C" void* ThreadSeeder(void *arg) {
+  CDnsSeedOpts *opts = (CDnsSeedOpts *)arg;
+
   if (!fTestNet){
-    db.Add(CService("kjy2eqzk4zwi5zd3.onion", 8333), true);
+    db.Add(CService(opts->ns, 28333, true), true);
   }
   do {
     for (int i=0; seeds[i] != ""; i++) {
@@ -413,7 +415,7 @@ int main(int argc, char **argv) {
     printf("done\n");
   }
   printf("Starting seeder...");
-  pthread_create(&threadSeed, NULL, ThreadSeeder, NULL);
+  pthread_create(&threadSeed, NULL, ThreadSeeder, &opts);
   printf("done\n");
   printf("Starting %i crawler threads...", opts.nThreads);
   pthread_attr_t attr_crawler;
diff --git a/protocol.cpp b/protocol.cpp
index 3df8a18..94215fc 100644
--- a/protocol.cpp
+++ b/protocol.cpp
@@ -22,7 +22,7 @@ static const char* ppszTypeName[] =
     "block",
 };
 
-unsigned char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };
+unsigned char pchMessageStart[4] = { 0xf0, 0xda, 0xbb, 0xd2 };
 
 CMessageHeader::CMessageHeader()
 {
diff --git a/protocol.h b/protocol.h
index e9be1c2..4bd5eb4 100644
--- a/protocol.h
+++ b/protocol.h
@@ -18,7 +18,7 @@
 extern bool fTestNet;
 static inline unsigned short GetDefaultPort(const bool testnet = fTestNet)
 {
-    return testnet ? 18333 : 8333;
+    return testnet ? 18333 : 28333;
 }
 
 //