diff -uNr a/bitcoin/src/main.cpp b/bitcoin/src/main.cpp
--- a/bitcoin/src/main.cpp b4775d56fd901d7af16136590be4645f57631004c4e0ec35332374eedc78d8574d6a2162d7bba121843f710111209336ecd6553af4b576bad81b3639d2634ad5
+++ b/bitcoin/src/main.cpp 5fcc671189ae354164faa71c266bd2f6a33cdab807b2149ef639e11bc2507736a29c7fe5ee0768cbe391d694ec516e00aa86b26f602f45b61f02a0104b1ff1dc
@@ -2567,11 +2567,20 @@
         dPriority = 0;
     }
 
-    void print() const
+    std::string ToString() const
     {
-        printf("COrphan(hash=%s, dPriority=%.1f)\n", ptx->GetHash().ToString().substr(0,10).c_str(), dPriority);
+        std::string str;
+        str += strprintf("hash=%s,dPriority=%.1f,setDependsOn={", ptx->GetHash().ToString().c_str(), dPriority);
+        int i = 0;
         BOOST_FOREACH(uint256 hash, setDependsOn)
-            printf("   setDependsOn %s\n", hash.ToString().substr(0,10).c_str());
+            str += hash.ToString() + (++i == setDependsOn.size() ? "" : ","); 
+        str += "}";
+        return str; 
+    }
+
+    void print() const
+    {
+        printf(SINF SMEM "COrphan<%s>\n", ToString().c_str());
     }
 };
 
diff -uNr a/bitcoin/src/main.h b/bitcoin/src/main.h
--- a/bitcoin/src/main.h 9e438ffcc2c67d60ad299e6b1e269d00cb08a629d2e6fe169039b1fad32421e28ef0c6286fc7e53dc5e069d6d20f715e885f83b5929849d7a997daaf2e59af8a
+++ b/bitcoin/src/main.h a5bcc482d6baaa022dcce82356d05947ce6fb78be728b644a6fdd62af44abbc7404dea26579645e7a33d77395b64d0d2475038ef7d5c66b8131891f6cb31956a
@@ -164,14 +164,14 @@
     std::string ToString() const
     {
         if (IsNull())
-            return strprintf("null");
+            return strprintf("");
         else
-            return strprintf("(nFile=%d, nBlockPos=%d, nTxPos=%d)", nFile, nBlockPos, nTxPos);
+            return strprintf("nFile=%d,nBlockPos=%d,nTxPos=%d", nFile, nBlockPos, nTxPos);
     }
 
     void print() const
     {
-        printf("%s", ToString().c_str());
+        printf(SINF SMEM "CDiskTxPos<%s>\n", ToString().c_str());
     }
 };
 
@@ -222,12 +222,12 @@
 
     std::string ToString() const
     {
-        return strprintf("COutPoint(%s, %d)", hash.ToString().substr(0,10).c_str(), n);
+        return strprintf("hash=%s,n=%d", hash.ToString().c_str(), n);
     }
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SMEM "COutPoint<%s>\n", ToString().c_str());
     }
 };
 
@@ -292,21 +292,19 @@
     std::string ToString() const
     {
         std::string str;
-        str += strprintf("CTxIn(");
-        str += prevout.ToString();
+        str += strprintf("prevout=%s", prevout.ToString().c_str());
         if (prevout.IsNull())
-            str += strprintf(", coinbase %s", HexStr(scriptSig).c_str());
+            str += strprintf(",coinbase=%s", HexStr(scriptSig).c_str());
         else
-            str += strprintf(", scriptSig=%s", scriptSig.ToString().substr(0,24).c_str());
+            str += strprintf(",scriptSig=%s", scriptSig.ToString().c_str());
         if (nSequence != UINT_MAX)
-            str += strprintf(", nSequence=%u", nSequence);
-        str += ")";
+            str += strprintf(",nSequence=%u", nSequence);
         return str;
     }
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SMEM "CTxIn<%s>\n", ToString().c_str());
     }
 };
 
@@ -370,13 +368,14 @@
     std::string ToString() const
     {
         if (scriptPubKey.size() < 6)
-            return "CTxOut(error)";
-        return strprintf("CTxOut(nValue=%"PRI64d".%08"PRI64d", scriptPubKey=%s)", nValue / COIN, nValue % COIN, scriptPubKey.ToString().substr(0,30).c_str());
+            return "error";
+        return strprintf("nValue=%"PRI64d".%08"PRI64d",scriptPubKey=%s",
+            nValue / COIN, nValue % COIN, scriptPubKey.ToString().c_str());
     }
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SMEM "CTxOut<%s>\n", ToString().c_str());
     }
 };
 
@@ -609,22 +608,20 @@
     std::string ToString() const
     {
         std::string str;
-        str += strprintf("CTransaction(hash=%s, ver=%d, vin.size=%d, vout.size=%d, nLockTime=%d)\n",
-            GetHash().ToString().substr(0,10).c_str(),
-            nVersion,
-            vin.size(),
-            vout.size(),
-            nLockTime);
+        str += strprintf("hash=%s,ver=%d,vin.size=%d,vout.size=%d,nLockTime=%d,vin={",
+            GetHash().ToString().c_str(), nVersion, vin.size(), vout.size(), nLockTime);
         for (int i = 0; i < vin.size(); i++)
-            str += "    " + vin[i].ToString() + "\n";
+            str += "CTxIn<" + vin[i].ToString() + ">" + (i == vin.size() - 1 ? "" : ",");
+        str += "},vout={";
         for (int i = 0; i < vout.size(); i++)
-            str += "    " + vout[i].ToString() + "\n";
+            str += "CTxOut<" + vout[i].ToString() + ">" + (i == vout.size() - 1 ? "" : ",");
+        str += "}";
         return str;
     }
 
     void print() const
     {
-        printf("%s", ToString().c_str());
+        printf(SINF SMEM "CTransaction<%s>\n", ToString().c_str());
     }
 
 
@@ -946,31 +943,26 @@
 
         // Check the header
         if (!CheckProofOfWork(GetHash(), nBits))
-            return error("CBlock::ReadFromDisk() : errors in block header");
+            return error(SBLK "failure reading block file %d from disk due errors on block header", nFile);
 
         return true;
     }
 
-
+    std::string ToString() const
+    {
+        std::string str;
+        str += strprintf("hash=%s,ver=%d,hashPrevBlock=%s,hashMerkleRoot=%s,nTime=%u,nBits=%08x,nNonce=%u,vtx={",
+            GetHash().ToString().c_str(), nVersion, hashPrevBlock.ToString().c_str(),
+            hashMerkleRoot.ToString().c_str(), nTime, nBits, nNonce, vtx.size());
+        for (int i = 0; i < vtx.size(); i++)
+            str += strprintf("CTransaction<%s>%s", vtx[i].ToString().c_str(), i == vtx.size() - 1 ? "" : ",");
+        str += "}";
+        return str;
+    }
 
     void print() const
     {
-        printf("CBlock(hash=%s, ver=%d, hashPrevBlock=%s, hashMerkleRoot=%s, nTime=%u, nBits=%08x, nNonce=%u, vtx=%d)\n",
-            GetHash().ToString().substr(0,20).c_str(),
-            nVersion,
-            hashPrevBlock.ToString().substr(0,20).c_str(),
-            hashMerkleRoot.ToString().substr(0,10).c_str(),
-            nTime, nBits, nNonce,
-            vtx.size());
-        for (int i = 0; i < vtx.size(); i++)
-        {
-            printf("  ");
-            vtx[i].print();
-        }
-        printf("  vMerkleTree: ");
-        for (int i = 0; i < vMerkleTree.size(); i++)
-            printf("%s ", vMerkleTree[i].ToString().substr(0,10).c_str());
-        printf("\n");
+        printf(SINF SBLK "CBlock<%s>\n", ToString().c_str());
     }
 
 
@@ -1138,15 +1130,14 @@
 
     std::string ToString() const
     {
-        return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, merkle=%s, hashBlock=%s)",
-            pprev, pnext, nFile, nBlockPos, nHeight,
-            hashMerkleRoot.ToString().substr(0,10).c_str(),
-            GetBlockHash().ToString().substr(0,20).c_str());
+        return strprintf("nprev=%08x,pnext=%08x,nFile=%d,nBlockPos=%-6d,nHeight=%d,merkle=%s,hashBlock=%s",
+            pprev, pnext, nFile, nBlockPos, nHeight, hashMerkleRoot.ToString().c_str(),
+            GetBlockHash().ToString().c_str());
     }
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SBLK "CBlockIndex<%s>\n", ToString().c_str());
     }
 };
 
@@ -1207,18 +1198,17 @@
 
     std::string ToString() const
     {
-        std::string str = "CDiskBlockIndex(";
+        std::string str;
         str += CBlockIndex::ToString();
-        str += strprintf("\n                hashBlock=%s, hashPrev=%s, hashNext=%s)",
-            GetBlockHash().ToString().c_str(),
-            hashPrev.ToString().substr(0,20).c_str(),
-            hashNext.ToString().substr(0,20).c_str());
+        str += strprintf("%s,hashBlock=%s,hashPrev=%s,hashNext=%s",
+            CBlockIndex::ToString().c_str(), GetBlockHash().ToString().c_str(),
+            hashPrev.ToString().c_str(), hashNext.ToString().c_str());
         return str;
     }
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SBLK "CDiskBlockIndex<%s>\n", ToString().c_str());
     }
 };
 
diff -uNr a/bitcoin/src/protocol.cpp b/bitcoin/src/protocol.cpp
--- a/bitcoin/src/protocol.cpp e75f60d2fe430b9077aed4638530be81b51c558f5947c2cae6d7b90fbd1801ffe030c243684dfce754aa0a5c1810067b33a55526aaf7218b702f9aca67190586
+++ b/bitcoin/src/protocol.cpp ee3c1538cd1dd4da0d5d1eb22ccea247188ae0ba136c59fdbb816ffe887b8d3a1f002bbddae205d80914a28a3a980cbf59c1e8d05482ae1502ce095942bec1b2
@@ -247,7 +247,7 @@
 
 void CAddress::print() const
 {
-    printf("CAddress(%s)\n", ToString().c_str());
+    printf(SINF SADR "CAddress<%s>\n", ToString().c_str());
 }
 
 CInv::CInv()
@@ -297,10 +297,10 @@
 
 std::string CInv::ToString() const
 {
-    return strprintf("%s %s", GetCommand(), hash.ToString().substr(0,20).c_str());
+    return strprintf("%s %s", GetCommand(), hash.ToString().c_str());
 }
 
 void CInv::print() const
 {
-    printf("CInv(%s)\n", ToString().c_str());
+    printf(SINF SNET "CInv<%s>\n", ToString().c_str());
 }
diff -uNr a/bitcoin/src/script.h b/bitcoin/src/script.h
--- a/bitcoin/src/script.h 796b2ab92a49e29b5873be0d63d732d1b973855de76062492190687c57fdbefc069091df6306a0eee86ad5717c8fa90774ea9b8589cba2d9138b544c37e7177f
+++ b/bitcoin/src/script.h 4adcaa44fcd72201070c09c4106a524266290963748bb76a27bdea8f5bd8c9ebe562313041da319c51d1f9e9368c170ba797e10894812925ad365d350e1b0574
@@ -652,7 +652,7 @@
 
     void PrintHex() const
     {
-        printf("CScript(%s)\n", HexStr(begin(), end(), true).c_str());
+        printf(SINF SMEM "CScript<%s>\n", HexStr(begin(), end(), true).c_str());
     }
 
     std::string ToString() const
@@ -680,7 +680,7 @@
 
     void print() const
     {
-        printf("%s\n", ToString().c_str());
+        printf(SINF SMEM "CScript<%s>\n", ToString().c_str());
     }
 };