diff --git a/configure.ac b/configure.ac
index cd09d1c22..f691be0aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ([2.69])
 define(_CLIENT_VERSION_MAJOR, 26)
 define(_CLIENT_VERSION_MINOR, 1)
-define(_CLIENT_VERSION_BUILD, 0)
+define(_CLIENT_VERSION_BUILD, 1)
 define(_CLIENT_VERSION_RC, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2023)
diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index 00e1255e4..dbb8d03d0 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -132,8 +132,8 @@ class CMainParams : public CChainParams {
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].nTimeout = 1776261600; // April 15th, 2026
         consensus.vDeployments[Consensus::DEPLOYMENT_TAPROOT].min_activation_height = 0; // Approximately May 2024
 
-        consensus.nMinimumChainWork = uint256{};
-        consensus.defaultAssumeValid = uint256{};
+        consensus.nMinimumChainWork = uint256S("0x000000000000000000000000000000000000000000000000004f539f0d9039aa"); // 500
+        consensus.defaultAssumeValid = uint256S("0xfcdf0599d80caead50b695002dbb97f793abdb71597dc81e44b43f9182a1c9ae"); // 500
 
         /**
          * The message start string is designed to be unlikely to occur in normal data.
@@ -176,6 +176,8 @@ class CMainParams : public CChainParams {
         checkpointData = {
             {
                 { 0, uint256S("0x00000000c9e15cb2b9175f8d7524ee65c45acfc87ad448900999d6e09f3b42de")},
+                { 37, uint256S("0xef6318c2651e085ff8a88bb076110de079f5a4b52a16de9bb90e5ff639de46f3")}, // 1st PoT block
+                { 500, uint256S("0xfcdf0599d80caead50b695002dbb97f793abdb71597dc81e44b43f9182a1c9ae")},
             }
         };
 
@@ -184,9 +186,9 @@ class CMainParams : public CChainParams {
         };
 
         chainTxData = ChainTxData{
-            .nTime    = 0,
-            .nTxCount = 0,
-            .dTxRate  = 0,
+            .nTime    = 1720258973,
+            .nTxCount = 161082,
+            .dTxRate  = 0.6805382454213228,
         };
     }
 };