diff --git a/.gitmodules b/.gitmodules
index f27e450..56cf48f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,12 @@
 [submodule "lib/openzeppelin-foundry-upgrades"]
 	path = lib/openzeppelin-foundry-upgrades
 	url = https://github.com/OpenZeppelin/openzeppelin-foundry-upgrades
+[submodule "lib/devtools"]
+	path = lib/devtools
+	url = https://github.com/layerzero-labs/devtools
+[submodule "lib/LayerZero-v2"]
+	path = lib/LayerZero-v2
+	url = https://github.com/layerzero-labs/LayerZero-v2
+[submodule "lib/solidity-bytes-utils"]
+	path = lib/solidity-bytes-utils
+	url = https://github.com/GNSPS/solidity-bytes-utils.git
diff --git a/foundry.lock b/foundry.lock
index 0ec0c87..4448473 100644
--- a/foundry.lock
+++ b/foundry.lock
@@ -1,4 +1,7 @@
 {
+  "lib/devtools": {
+    "rev": "8b1a994804581232e791983cf8ed770c9abcf0fb"
+  },
   "lib/forge-std": {
     "rev": "8bbcf6e3f8f62f419e5429a0bd89331c85c37824"
   },
diff --git a/foundry.toml b/foundry.toml
index 98376fc..b6224a2 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -11,9 +11,14 @@ build_info = true
 extra_output = ["storageLayout"]
 
 remappings = [
+    '@layerzerolabs/oft-evm/=lib/devtools/packages/oft-evm/',
+    '@layerzerolabs/oapp-evm/=lib/devtools/packages/oapp-evm/',
+    '@layerzerolabs/lz-evm-protocol-v2/=lib/layerzero-v2/packages/layerzero-v2/evm/protocol',
+    '@layerzerolabs/lz-evm-messagelib-v2/=lib/layerzero-v2/packages/layerzero-v2/evm/messagelib',
     "@openzeppelin/contracts/=lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
     "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
-    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/"
+    "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/",
+    'solidity-bytes-utils/=lib/solidity-bytes-utils/',
 ]
 
 # Network configurations
diff --git a/lib/LayerZero-v2 b/lib/LayerZero-v2
new file mode 160000
index 0000000..3801b99
--- /dev/null
+++ b/lib/LayerZero-v2
@@ -0,0 +1 @@
+Subproject commit 3801b9929281261b907eb3482a82364ad00d7868
diff --git a/lib/devtools b/lib/devtools
new file mode 160000
index 0000000..8b1a994
--- /dev/null
+++ b/lib/devtools
@@ -0,0 +1 @@
+Subproject commit 8b1a994804581232e791983cf8ed770c9abcf0fb
diff --git a/lib/solidity-bytes-utils b/lib/solidity-bytes-utils
new file mode 160000
index 0000000..fc50245
--- /dev/null
+++ b/lib/solidity-bytes-utils
@@ -0,0 +1 @@
+Subproject commit fc502455bb2a7e26a743378df042612dd50d1eb9
diff --git a/src/oft/StakedUSXOFT.sol b/src/oft/StakedUSXOFT.sol
new file mode 100644
index 0000000..0b913a7
--- /dev/null
+++ b/src/oft/StakedUSXOFT.sol
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.30;
+
+import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
+import {OFT} from "@layerzerolabs/oft-evm/contracts/OFT.sol";
+
+contract StakedUSXOFT is OFT {
+    constructor(
+        string memory _name,
+        string memory _symbol,
+        address _lzEndpoint,
+        address _owner
+    ) OFT(_name, _symbol, _lzEndpoint, _owner) Ownable(_owner) {}
+}
diff --git a/src/oft/StakedUSXOFTAdaptor.sol b/src/oft/StakedUSXOFTAdaptor.sol
new file mode 100644
index 0000000..76de320
--- /dev/null
+++ b/src/oft/StakedUSXOFTAdaptor.sol
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.30;
+
+import {OFTAdapter} from "@layerzerolabs/oft-evm/contracts/OFTAdapter.sol";
+import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
+
+contract StakedUSXOFTAdaptor is OFTAdapter {
+    constructor(
+        address _token,
+        address _lzEndpoint,
+        address _owner
+    ) OFTAdapter(_token, _lzEndpoint, _owner) Ownable(_owner) {}
+}
diff --git a/src/oft/USXOFT.sol b/src/oft/USXOFT.sol
new file mode 100644
index 0000000..2ba08a0
--- /dev/null
+++ b/src/oft/USXOFT.sol
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.30;
+
+import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
+import {OFT} from "@layerzerolabs/oft-evm/contracts/OFT.sol";
+
+contract USXOFT is OFT {
+    constructor(
+        string memory _name,
+        string memory _symbol,
+        address _lzEndpoint,
+        address _owner
+    ) OFT(_name, _symbol, _lzEndpoint, _owner) Ownable(_owner) {}
+}
diff --git a/src/oft/USXOFTAdaptor.sol b/src/oft/USXOFTAdaptor.sol
new file mode 100644
index 0000000..7c9f080
--- /dev/null
+++ b/src/oft/USXOFTAdaptor.sol
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.30;
+
+import {OFTAdapter} from "@layerzerolabs/oft-evm/contracts/OFTAdapter.sol";
+import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
+
+contract USXOFTAdaptor is OFTAdapter {
+    constructor(
+        address _token,
+        address _lzEndpoint,
+        address _owner
+    ) OFTAdapter(_token, _lzEndpoint, _owner) Ownable(_owner) {}
+}