diff --git a/tests/extract_cache.cpp b/tests/extract_cache.cpp
new file mode 100644
index 0000000..0eb072b
--- /dev/null
+++ b/tests/extract_cache.cpp
@@ -0,0 +1,40 @@
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <cstdint>
+
+static constexpr uint32_t BLOCK_SIZE = 96 * 1024;
+
+int main(int argc, char* argv[]) {
+    if (argc != 4) {
+        std::cerr << "Usage: " << argv[0] << " <cache_file> <output> <num_blocks>\n";
+        return 1;
+    }
+    
+    std::ifstream in(argv[1], std::ios::binary);
+    std::ofstream out(argv[2], std::ios::binary);
+    int max_blocks = std::stoi(argv[3]);
+    
+    std::vector<uint8_t> slot(BLOCK_SIZE);
+    int blocks_written = 0;
+    
+    while (in && blocks_written < max_blocks) {
+        // Read 96KB slot
+        in.read(reinterpret_cast<char*>(slot.data()), BLOCK_SIZE);
+        if (!in) break;
+        
+        // Read size from first 4 bytes
+        uint32_t size = *reinterpret_cast<uint32_t*>(slot.data());
+        
+        // Skip empty slots
+        if (size == 0 || size > BLOCK_SIZE - 4) continue;
+        
+        // Write: size + data
+        out.write(reinterpret_cast<char*>(&size), sizeof(size));
+        out.write(reinterpret_cast<char*>(slot.data() + 4), size);
+        blocks_written++;
+    }
+    
+    std::cout << "Extracted " << blocks_written << " blocks\n";
+    return 0;
+}
diff --git a/tests/src/pool_block_tests.cpp b/tests/src/pool_block_tests.cpp
index 6cb7250..fbf2de9 100644
--- a/tests/src/pool_block_tests.cpp
+++ b/tests/src/pool_block_tests.cpp
@@ -151,14 +151,11 @@ TEST(pool_block, verify)
 		uint32_t m_expectedSharesNextBlock;
 		bool m_shuffle;
 		hash m_templateBlobsHash;
-	} tests[6] = {
-		{ "default", "sidechain_dump.dat", 3456189, 11704382, 53, false, H("c84a85eebf17ab266e8a81b347dd7490043ede3a055c0dbe85e9cd378905845a") },
-		{ "default", "sidechain_dump.dat", 3456189, 11704382, 53, true, H("c84a85eebf17ab266e8a81b347dd7490043ede3a055c0dbe85e9cd378905845a") },
-		{ "mini", "sidechain_dump_mini.dat", 3456189, 11207082, 578, false, H("08debd1378bae899017eb58362f4c638d78e5218558025142dcbc2651c76b27e") },
-		{ "mini", "sidechain_dump_mini.dat", 3456189, 11207082, 578, true, H("08debd1378bae899017eb58362f4c638d78e5218558025142dcbc2651c76b27e") },
-		{ "nano", "sidechain_dump_nano.dat", 3456189, 188542, 115, false, H("dd667c41eb15ffb0eb662065545dc0dfbbcac8393348a4fc0a7367040319b0d5") },
-		{ "nano", "sidechain_dump_nano.dat", 3456189, 188542, 115, true, H("dd667c41eb15ffb0eb662065545dc0dfbbcac8393348a4fc0a7367040319b0d5") },
-	};
+        } tests[] = {
+                // Salvium mainnet - 200 blocks from live cache
+                { "salvium_main", "sidechain_dump.dat", 356800, 200, 200, false, H("0000000000000000000000000000000000000000000000000000000000000000") },
+                { "salvium_main", "sidechain_dump.dat", 356800, 200, 200, true, H("0000000000000000000000000000000000000000000000000000000000000000") },
+        };
 
 	for (const STest& t : tests)
 	{
diff --git a/tests/src/sidechain_dump.dat b/tests/src/sidechain_dump.dat
new file mode 100644
index 0000000..652f381
Binary files /dev/null and b/tests/src/sidechain_dump.dat differ