diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 462c5f228..18b419dba 100755
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -175,8 +175,8 @@ public:
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,8);
         base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,50);
         base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,176);
-        base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
-        base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
+        base58Prefixes[EXT_PUBLIC_KEY] = {0x01, 0x34, 0x40, 0x6b};
+        base58Prefixes[EXT_SECRET_KEY] = {0x01, 0x34, 0x3c, 0x31};
 
         vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
 
@@ -310,8 +310,8 @@ public:
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,198);
         base58Prefixes[SCRIPT_ADDRESS2] = std::vector<unsigned char>(1,58); // ToDo: bflorincoin?
         base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,239); // ToDo: bflorincoin?
-        base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF}; // ToDo: bflorincoin?
-        base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94}; // ToDo: bflorincoin?
+        base58Prefixes[EXT_PUBLIC_KEY] = {0x01, 0x34, 0x40, 0xe2};
+        base58Prefixes[EXT_SECRET_KEY] = {0x01, 0x34, 0x3c, 0x23};
 
         vFixedSeeds = std::vector<SeedSpec6>(pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));