diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 1f3c9eb..d178edb 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -77,6 +77,10 @@ boost::assign::map_list_of
 (32516, uint256("0x9e152d83c1b5763f9df95036a8ee80a3890305141a45e34e997969e21c0c5cf0"))
 (39288, uint256("0x6bdc36346b0b45b9e4d0aeb3f53c92858ab95a197a5bfa13500ca7e2344880c2"))
 (47225, uint256("0x825c0e05820dc9b7fae1f98aa263f3c29d39508203dcb53e097494cee4426f4c"))
+(49999, uint256("0xed61011aee256d4c60029ac98787a3f65c3a1e60da1928d7782e68ba027e4f3d"))
+(50000, uint256("0xcb0073e449be607c1205a3724ac5bf2574a24d53d4c3adec9afdb220aeef337b"))
+(50001, uint256("0x3077e8c79aed44ab86dd8ccf33e0f16e11b0e194fabd5ed46c3e0af601db8b14"))
+(51459, uint256("0x5982a6921b87e2601bbdc5023dd41a882518b150bc83378ecd9513abbe390bd3"))
 ;
 
 static const Checkpoints::CCheckpointData data = {