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diff --git a/mev_inspect/abis/lido/nodeoperators.json b/mev_inspect/abis/lido/nodeoperators.json
new file mode 100644
index 0000000..5a659cc
--- /dev/null
+++ b/mev_inspect/abis/lido/nodeoperators.json
@@ -0,0 +1 @@
+[{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"proxyTypeId","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"isDepositable","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_kernel","type":"address"},{"name":"_appId","type":"bytes32"},{"name":"_initializePayload","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"ProxyDeposit","type":"event"}]
diff --git a/mev_inspect/abis/lido/oracle.json b/mev_inspect/abis/lido/oracle.json
new file mode 100644
index 0000000..5a659cc
--- /dev/null
+++ b/mev_inspect/abis/lido/oracle.json
@@ -0,0 +1 @@
+[{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"proxyTypeId","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"isDepositable","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_kernel","type":"address"},{"name":"_appId","type":"bytes32"},{"name":"_initializePayload","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"ProxyDeposit","type":"event"}]
diff --git a/mev_inspect/classifiers/specs/__init__.py b/mev_inspect/classifiers/specs/__init__.py
index 7ce3eb0..7ab18e3 100644
--- a/mev_inspect/classifiers/specs/__init__.py
+++ b/mev_inspect/classifiers/specs/__init__.py
@@ -10,6 +10,7 @@ from .compound import COMPOUND_CLASSIFIER_SPECS
 from .cryptopunks import CRYPTOPUNKS_CLASSIFIER_SPECS
 from .curve import CURVE_CLASSIFIER_SPECS
 from .erc20 import ERC20_CLASSIFIER_SPECS
+from .lido import LIDO_CLASSIFIER_SPECS
 from .uniswap import UNISWAP_CLASSIFIER_SPECS
 from .weth import WETH_ADDRESS, WETH_CLASSIFIER_SPECS
 from .zero_ex import ZEROX_CLASSIFIER_SPECS
@@ -25,6 +26,7 @@ ALL_CLASSIFIER_SPECS = (
     + COMPOUND_CLASSIFIER_SPECS
     + CRYPTOPUNKS_CLASSIFIER_SPECS
     + BANCOR_CLASSIFIER_SPECS
+    + LIDO_CLASSIFIER_SPECS
 )
 
 _SPECS_BY_ABI_NAME_AND_PROTOCOL: Dict[
diff --git a/mev_inspect/classifiers/specs/lido.py b/mev_inspect/classifiers/specs/lido.py
new file mode 100644
index 0000000..393e67c
--- /dev/null
+++ b/mev_inspect/classifiers/specs/lido.py
@@ -0,0 +1,82 @@
+from mev_inspect.schemas.classifiers import ClassifierSpec
+from mev_inspect.schemas.traces import Protocol
+
+LIDO_CLASSIFIER_SPECS = [
+    ClassifierSpec(
+        abi_name="LidoDao",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0xb8FFC3Cd6e7Cf5a098A1c92F48009765B24088Dc"  # lido dao
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="LDO",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x5A98FcBEA516Cf06857215779Fd812CA3beF1B32"  # LDO token
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="LidostETH",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84",  # lido and stETH token
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="nodeoperators",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x55032650b14df07b85bF18A3a3eC8E0Af2e028d5"  # node operators registry
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="oracle",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x442af784A788A5bd6F42A01Ebe9F287a871243fb"  # oracle
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="WstETH",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x7f39c581f595b53c5cb19bd0b3f8da6c935e2ca0"  # WstETH
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="depositsecurity",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0xDb149235B6F40dC08810AA69869783Be101790e7"  # deposit security module
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="aragonvoting",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x2e59A20f205bB85a89C53f1936454680651E618e"  # aragon voting
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="aragontokenmanager",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0xf73a1260d222f447210581DDf212D915c09a3249"  # aragon token manager
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="aragonfinance",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0xB9E5CBB9CA5b0d659238807E84D0176930753d86"  # aragon finance
+        ],
+    ),
+    ClassifierSpec(
+        abi_name="aragonagent",
+        protocol=Protocol.lido,
+        valid_contract_addresses=[
+            "0x3e40D73EB977Dc6a537aF587D48316feE66E9C8c"  # aragon agent
+        ],
+    ),
+]
diff --git a/mev_inspect/schemas/traces.py b/mev_inspect/schemas/traces.py
index aa6451d..fed712c 100644
--- a/mev_inspect/schemas/traces.py
+++ b/mev_inspect/schemas/traces.py
@@ -48,6 +48,7 @@ class Protocol(Enum):
     cream = "cream"
     cryptopunks = "cryptopunks"
     bancor = "bancor"
+    lido = "lido"
 
 
 class ClassifiedTrace(Trace):