Decrease block interval to 2.5 minutes

src/main.cpp

@@ -1376,7 +1376,7 @@ bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex)
 
 CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
 {
-    CAmount nSubsidy = 50 * COIN;
+    CAmount nSubsidy = 12.5 * COIN;
 
     // Mining slow start
     // The subsidy is ramped up linearly, skipping the middle payout of
@@ -1397,7 +1397,7 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
     if (halvings >= 64)
         return 0;
 
-    // Subsidy is cut in half every 210,000 blocks which will occur approximately every 4 years.
+    // Subsidy is cut in half every 840,000 blocks which will occur approximately every 4 years.
     nSubsidy >>= halvings;
     return nSubsidy;
 }