diff --git a/src/main.cpp b/src/main.cpp
index 32fd6b951..f04f364a6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -71,7 +71,7 @@ int64 nHPSTimerStart = 0;
 
 // Settings
 int64 nTransactionFee = 0;
-int64 nMinimumInputValue = CENT / 100;
+int64 nMinimumInputValue = DUST_HARD_LIMIT;
 
 
 //////////////////////////////////////////////////////////////////////////////
@@ -611,9 +611,9 @@ int64 CTransaction::GetMinFee(unsigned int nBlockSize, bool fAllowFree,
     }
 
     // Litecoin
-    // To limit dust spam, add nBaseFee for each output less than 0.01
+    // To limit dust spam, add nBaseFee for each output less than DUST_SOFT_LIMIT
     BOOST_FOREACH(const CTxOut& txout, vout)
-        if (txout.nValue < 0.01)
+        if (txout.nValue < DUST_SOFT_LIMIT)
             nMinFee += nBaseFee;
 
     // Raise the price as the block approaches full
@@ -4143,7 +4143,7 @@ CBlockTemplate* CreateNewBlock(CReserveKey& reservekey)
     pblocktemplate->vTxSigOps.push_back(-1); // updated at end
 
     // Largest block you're willing to create:
-    unsigned int nBlockMaxSize = GetArg("-blockmaxsize", MAX_BLOCK_SIZE_GEN/2);
+    unsigned int nBlockMaxSize = GetArg("-blockmaxsize", MAX_BLOCK_SIZE_GEN/4);
     // Limit to betweeen 1K and MAX_BLOCK_SIZE-1K for sanity:
     nBlockMaxSize = std::max((unsigned int)1000, std::min((unsigned int)(MAX_BLOCK_SIZE-1000), nBlockMaxSize));
 
diff --git a/src/main.h b/src/main.h
index b708e37c5..e801bacd3 100644
--- a/src/main.h
+++ b/src/main.h
@@ -26,11 +26,11 @@ class CNode;
 struct CBlockIndexWorkComparator;
 
 /** The maximum allowed size for a serialized block, in bytes (network rule) */
-static const unsigned int MAX_BLOCK_SIZE = 1000000;
+static const unsigned int MAX_BLOCK_SIZE = 1000000;                      // 1000KB block hard limit
 /** The maximum size for mined blocks */
-static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
+static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/4;         // 250KB  block soft limit
 /** The maximum size for transactions we're willing to relay/mine */
-static const unsigned int MAX_STANDARD_TX_SIZE = MAX_BLOCK_SIZE_GEN/5;
+static const unsigned int MAX_STANDARD_TX_SIZE = MAX_BLOCK_SIZE_GEN/2.5; // 100KB tx size limit
 /** The maximum allowed number of signature check operations in a block (network rule) */
 static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 /** The maximum number of orphan transactions kept in memory */
@@ -45,6 +45,10 @@ static const unsigned int BLOCKFILE_CHUNK_SIZE = 0x1000000; // 16 MiB
 static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB
 /** Fake height value used in CCoins to signify they are only in the memory pool (since 0.8) */
 static const unsigned int MEMPOOL_HEIGHT = 0x7FFFFFFF;
+/** Dust Soft Limit, allowed with additional fee per output */
+static const int64 DUST_SOFT_LIMIT = 1000000; // 0.01 LTC
+/** Dust Hard Limit, ignored as wallet inputs (mininput default) */
+static const int64 DUST_HARD_LIMIT = 10000;   // 0.0001 LTC mininput
 /** No amount larger than this (in satoshi) is valid */
 static const int64 MAX_MONEY = 84000000 * COIN;
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }