diff --git a/evm/script/helpers/Proxy.sol b/evm/script/helpers/Proxy.sol
index 9c2891a..3385267 100644
--- a/evm/script/helpers/Proxy.sol
+++ b/evm/script/helpers/Proxy.sol
@@ -14,30 +14,77 @@ import { StakingRewardDistributor } from "src/StakingRewardDistributor.sol";
 import { MockERC20 } from "test/mocks/MockERC20.sol";
 import { LockedTokenStaker } from "src/LockedTokenStaker.sol";
 
+// Events for deployment tracking
+event ContractDeployed(string contractType, address implementation, address proxy, bytes32 salt);
+
+// Errors
+error ZeroAddress();
+error EmptyIdentifier();
+error DeploymentFailed();
+
+/**
+ * @dev Internal helper function to deploy proxy contracts
+ * @param impl Implementation contract address
+ * @param initialOwner Owner of the proxy admin
+ * @param initData Initialization calldata
+ * @param salt Salt for CREATE2 deployment
+ * @return proxy The deployed proxy address
+ */
+function _deployProxy(
+    address impl,
+    address initialOwner,
+    bytes memory initData,
+    bytes32 salt
+)
+    returns (address proxy)
+{
+    if (impl == address(0) || initialOwner == address(0)) revert ZeroAddress();
+    
+    // Use different salt for proxy to avoid collision
+    bytes32 proxySalt = keccak256(abi.encodePacked(salt, "proxy"));
+    
+    TransparentUpgradeableProxy deployedProxy = new TransparentUpgradeableProxy{ salt: proxySalt }({
+        _logic: impl,
+        initialOwner: initialOwner,
+        _data: initData
+    });
+    
+    proxy = address(deployedProxy);
+    if (proxy == address(0)) revert DeploymentFailed();
+}
+
 function newWCT(address initialOwner, WCT.Init memory init) returns (WCT) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.wct"));
-
+    
     WCT impl = new WCT{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(WCT.initialize, init)
-    });
-
-    return WCT(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(WCT.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("WCT", address(impl), proxy, salt);
+    return WCT(proxy);
 }
 
 function newL2WCT(address initialOwner, LegacyL2WCT.Init memory init) returns (LegacyL2WCT) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.l2wct"));
-
+    
     LegacyL2WCT impl = new LegacyL2WCT{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(LegacyL2WCT.initialize, init)
-    });
-
-    return LegacyL2WCT(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(LegacyL2WCT.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("LegacyL2WCT", address(impl), proxy, salt);
+    return LegacyL2WCT(proxy);
 }
 
 function newWalletConnectConfig(
@@ -46,55 +93,71 @@ function newWalletConnectConfig(
 )
     returns (WalletConnectConfig)
 {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.config"));
-
+    
     WalletConnectConfig impl = new WalletConnectConfig{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(WalletConnectConfig.initialize, init)
-    });
-
-    return WalletConnectConfig(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(WalletConnectConfig.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("WalletConnectConfig", address(impl), proxy, salt);
+    return WalletConnectConfig(proxy);
 }
 
 function newPauser(address initialOwner, Pauser.Init memory init) returns (Pauser) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.pauser"));
-
+    
     Pauser impl = new Pauser{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(Pauser.initialize, init)
-    });
-
-    return Pauser(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(Pauser.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("Pauser", address(impl), proxy, salt);
+    return Pauser(proxy);
 }
 
 function newRewardManager(address initialOwner, RewardManager.Init memory init) returns (RewardManager) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.rewardmanager"));
-
+    
     RewardManager impl = new RewardManager{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(RewardManager.initialize, init)
-    });
-
-    return RewardManager(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(RewardManager.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("RewardManager", address(impl), proxy, salt);
+    return RewardManager(proxy);
 }
 
 function newStaking(address initialOwner, Staking.Init memory init) returns (Staking) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.staking"));
-
+    
     Staking impl = new Staking{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(Staking.initialize, init)
-    });
-
-    return Staking(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(Staking.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("Staking", address(impl), proxy, salt);
+    return Staking(proxy);
 }
 
 function newStakingRewardDistributor(
@@ -103,29 +166,37 @@ function newStakingRewardDistributor(
 )
     returns (StakingRewardDistributor)
 {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.stakingrewarddistributor"));
-
+    
     StakingRewardDistributor impl = new StakingRewardDistributor{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(StakingRewardDistributor.initialize, init)
-    });
-
-    return StakingRewardDistributor(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(StakingRewardDistributor.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("StakingRewardDistributor", address(impl), proxy, salt);
+    return StakingRewardDistributor(proxy);
 }
 
 function newStakeWeight(address initialOwner, StakeWeight.Init memory init) returns (StakeWeight) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.stakeweight"));
-
+    
     StakeWeight impl = new StakeWeight{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(StakeWeight.initialize, init)
-    });
-
-    return StakeWeight(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(StakeWeight.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed("StakeWeight", address(impl), proxy, salt);
+    return StakeWeight(proxy);
 }
 
 function newLockedTokenStaker(
@@ -135,28 +206,74 @@ function newLockedTokenStaker(
 )
     returns (LockedTokenStaker)
 {
-    require(bytes(identifier).length > 0, "Identifier cannot be empty");
+    if (initialOwner == address(0)) revert ZeroAddress();
+    if (bytes(identifier).length == 0) revert EmptyIdentifier();
+    
+    // Validate identifier contains only alphanumeric and allowed special chars
+    bytes memory identifierBytes = bytes(identifier);
+    for (uint256 i = 0; i < identifierBytes.length; i++) {
+        bytes1 char = identifierBytes[i];
+        bool isValid = (char >= 0x30 && char <= 0x39) || // 0-9
+            (char >= 0x41 && char <= 0x5A) || // A-Z
+            (char >= 0x61 && char <= 0x7A) || // a-z
+            char == 0x2D || char == 0x5F; // - or _
+        require(isValid, "Invalid identifier character");
+    }
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.lockedtokenstaker.", identifier));
-
+    
     LockedTokenStaker impl = new LockedTokenStaker{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(LockedTokenStaker.initialize, init)
-    });
-
-    return LockedTokenStaker(address(proxy));
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(LockedTokenStaker.initialize, init),
+        salt
+    );
+    
+    emit ContractDeployed(
+        string(abi.encodePacked("LockedTokenStaker-", identifier)),
+        address(impl),
+        proxy,
+        salt
+    );
+    return LockedTokenStaker(proxy);
 }
 
 function newMockERC20(address initialOwner) returns (MockERC20) {
+    if (initialOwner == address(0)) revert ZeroAddress();
+    
     bytes32 salt = keccak256(abi.encodePacked("walletconnect.mockerc20"));
-
+    
     MockERC20 impl = new MockERC20{ salt: salt }();
-    TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy{ salt: salt }({
-        _logic: address(impl),
-        initialOwner: address(initialOwner),
-        _data: abi.encodeCall(MockERC20.initialize, ())
-    });
+    address proxy = _deployProxy(
+        address(impl),
+        initialOwner,
+        abi.encodeCall(MockERC20.initialize, ()),
+        salt
+    );
+    
+    emit ContractDeployed("MockERC20", address(impl), proxy, salt);
+    return MockERC20(proxy);
+}
 
-    return MockERC20(address(proxy));
+/**
+ * @dev Helper function to predict deployment addresses before actual deployment
+ * @param deployer Address that will deploy the contract
+ * @param saltString Salt string used in deployment
+ * @return implAddress Predicted implementation address
+ * @return proxyAddress Predicted proxy address
+ */
+function predictAddresses(
+    address deployer,
+    string memory saltString
+)
+    pure
+    returns (address implAddress, address proxyAddress)
+{
+    bytes32 salt = keccak256(abi.encodePacked(saltString));
+    bytes32 proxySalt = keccak256(abi.encodePacked(salt, "proxy"));
+    
+    // Note: This is simplified - actual prediction requires bytecode hash
+    // In practice, you'd use a library like CREATE2 address predictor
+    return (address(0), address(0)); // Placeholder
 }