diff --git a/blockchain_integration/pi_network/features/scalability-solutions/SecondLayerScalingSolution.sol b/blockchain_integration/pi_network/features/scalability-solutions/SecondLayerScalingSolution.sol
new file mode 100644
index 000000000..6c5fef26b
--- /dev/null
+++ b/blockchain_integration/pi_network/features/scalability-solutions/SecondLayerScalingSolution.sol
@@ -0,0 +1,35 @@
+pragma solidity ^0.8.0;
+
+contract SecondLayerScalingSolution {
+    // Mapping of second-layer scaling solutions
+    mapping (uint256 => SecondLayerScalingSolution) public solutions;
+
+    // Struct to represent a second-layer scaling solution
+    struct SecondLayerScalingSolution {
+        uint256 solutionId;
+        address[] nodes;
+        uint256 blockNumber;
+    }
+
+    // Event emitted when a new second-layer scaling solution is created
+    event NewSecondLayerScalingSolution(uint256 solutionId, address[] nodes);
+
+    // Function to create a new second-layer scaling solution
+    function createSecondLayerScalingSolution(uint256 _solutionId, address[] _nodes) public {
+        SecondLayerScalingSolution storage solution = solutions[_solutionId];
+        solution.solutionId = _solutionId;
+        solution.nodes = _nodes;
+        solution.blockNumber = block.number;
+        emit NewSecondLayerScalingSolution(_solutionId, _nodes);
+    }
+
+    // Function to get the nodes for a specific second-layer scaling solution
+    function getSecondLayerScalingSolutionNodes(uint256 _solutionId) public view returns (address[] memory) {
+        return solutions[_solutionId].nodes;
+    }
+
+    // Function to get the block number for a specific second-layer scaling solution
+    function getSecondLayerScalingSolutionBlockNumber(uint256 _solutionId) public view returns (uint256) {
+        return solutions[_solutionId].blockNumber;
+    }
+}